Practice tests are the single highest-leverage preparation resource for certification candidates, and most candidates pick the wrong ones. Some platforms inflate scores and create false confidence. Others run too hard and damage morale. A few mirror real exam difficulty closely enough that candidates who score 80 percent on practice pass the real exam with comfortable margins.
This guide compares the major practice test platforms across the certifications they cover, their difficulty calibration, question quality, pricing, and the specific use cases where each shines. It is written for candidates making an actual purchase decision, not a marketing overview.
What Makes a Good Practice Test
Before comparing platforms, understand what you are looking for. A good practice test platform has:
- Difficulty that mirrors the real exam, neither easier nor harder
- Question wording that matches the real exam style
- Detailed explanations for every answer, correct and incorrect
- Domain coverage aligned with the exam objectives
- Recent updates matching the current exam version
- Exam mode (timed, shuffled, no immediate answers) that replicates real conditions
- Study mode (immediate feedback, unlimited review) for learning
- Regular content refreshes as exam versions change
Platforms that excel on 5 of these 8 dimensions are serviceable. Platforms that excel on 7 or 8 are the ones worth your money.
The Platforms Covered
This comparison covers the major practice test providers for IT certifications:
| Platform | Core Coverage | Pricing Model |
|---|---|---|
| Tutorials Dojo (Jon Bonso) | AWS, Azure, Google Cloud | Per-exam, around \(15 to \)25 |
| Whizlabs | Broad: AWS, Azure, GCP, CompTIA, more | Subscription, around \(30 to \)80 per exam |
| MeasureUp | Microsoft official, some CompTIA | Per-exam, around \(80 to \)130 |
| Dion Training (Jason Dion) | CompTIA, PMI, ITIL | Per-exam, around \(12 to \)20 on Udemy |
| Boson | Cisco, CompTIA | Per-exam, around $99 |
| Pocket Prep | Broad: CompTIA, (ISC)², PMI, more | Subscription, around \(20/mo or one-time \)100 |
| CertMaster Practice | CompTIA official | Per-exam, around $149 |
| Kaplan IT Training | Broad: CompTIA, Microsoft, more | Subscription, varies |
| Cybrary Practice | Cybersecurity-focused | Subscription |
| Practice Labs | Broad with hands-on emphasis | Subscription |
| Kovid's / Udemy individual sellers | Varies | Typically \(10 to \)20 |
Not all platforms are equal. Some are purpose-built and highly accurate. Others are scraping adjacent content and selling it at markup.
Tutorials Dojo (Jon Bonso)
The gold standard for AWS practice exams and increasingly strong for Azure and GCP.
Strengths
- Question style closely mirrors the real AWS exam
- Detailed explanations with references to official AWS documentation
- Regular updates when exam versions change
- Review mode that explains why wrong answers are wrong
- "Section-based" practice option for targeting weak domains
- Community reputation: 80 to 90 percent of passing AWS candidates cite TD as their primary practice resource
Weaknesses
- Coverage outside AWS is strong but less deep than on AWS specifically
- Pricing is per-exam, which adds up if you take multiple certifications
- No subscription model for unlimited access
Best For
- AWS candidates at any tier (CLF-C02 through SAP-C02 and specialty certs)
- Azure and GCP candidates who want a proven brand
Pricing
Around \(15 to \)25 per certification. Occasionally bundled with video courses through affiliated instructors. Check the current Tutorials Dojo website for bundle deals.
Score Interpretation
Tutorials Dojo practice exams calibrate close to the real AWS exam. A consistent 75 to 80 percent on TD practice exams indicates readiness. Below 70 percent indicates more study is needed. Above 85 percent indicates very strong preparation.
For AWS candidates, this is the primary recommendation in our AWS certification roadmap 2026 guide.
Whizlabs
A broad-coverage platform with reasonable quality across many certifications.
Strengths
- Wide catalog covering AWS, Azure, GCP, CompTIA, Salesforce, and others
- Subscription options that scale for candidates pursuing multiple certs
- Hands-on labs integrated with some certifications
- Reasonably priced
Weaknesses
- Question quality is inconsistent across certifications. Some are excellent, others are weak
- Some explanations are shallow
- Less current than platforms focused on a single cert family
Best For
- Candidates pursuing multiple certifications across different ecosystems
- Budget-conscious learners wanting broad access
- Candidates needing cheap supplementary practice alongside a primary platform
Pricing
Subscription: around \(30 to \)50 per month for unlimited access, or around \(30 to \)80 per specific certification.
Score Interpretation
Whizlabs tends to run slightly easier than real exams. Budget a 5 to 10 percent margin above your passing target. If Whizlabs shows 80 percent consistently, the real exam will feel like 70 percent.
MeasureUp
The official practice test partner for Microsoft certifications.
Strengths
- Microsoft-authorized and Microsoft-aligned content
- Question style very close to real Microsoft exams
- Detailed rationale for every answer
- Coverage of Microsoft exam objectives without gaps
Weaknesses
- Expensive compared to alternatives
- User interface feels dated
- Limited to Microsoft certifications plus some CompTIA
Best For
- Microsoft certification candidates (AZ-104, AZ-305, AZ-500, MS-900, SC-900, etc.)
- Candidates who want the closest-to-official practice experience
Pricing
Around \(80 to \)130 per certification for a 60-day or 90-day access window.
Score Interpretation
MeasureUp calibrates very close to the real Microsoft exam. A consistent pass on MeasureUp practice indicates strong readiness for the real exam. This is the recommended primary practice platform for serious Microsoft candidates.
Our AZ-900 vs AZ-104 vs AZ-305 progression guide covers how to use MeasureUp effectively across the Azure progression.
Dion Training
Jason Dion's practice tests are widely used for CompTIA and PMI certifications, distributed primarily through Udemy.
Strengths
- Very affordable (\(10 to \)20 per certification on Udemy sales)
- Strong coverage for CompTIA Security+, Network+, A+, PenTest+, CySA+
- Multiple practice exams per certification (usually 6 sets of 80+ questions)
- Clear explanations
- Regular updates for current exam versions
Weaknesses
- Available primarily through Udemy, which can feel less premium
- Limited hands-on lab integration
- Coverage outside CompTIA and PMI is thinner
Best For
- CompTIA candidates (Security+, Network+, CySA+, etc.)
- PMI and project management candidates
- Budget-conscious learners
Pricing
\(10 to \)20 per certification on Udemy sales, which happen frequently. Less on Udemy promo days.
Score Interpretation
Dion practice tests run slightly harder than the real CompTIA exams. A consistent 75 to 80 percent on Dion indicates strong readiness. This is intentional: Dion's calibration aims to make the real exam feel easier by comparison.
Our Security Plus vs Network Plus guide recommends Dion as the default practice platform for both CompTIA exams.
Boson
The top choice for Cisco certifications and a strong option for CompTIA.
Strengths
- Best-in-class for Cisco (CCNA, CCNP, CCIE written)
- Very high question quality with detailed rationales
- Realistic exam simulation including lab questions
- Regular updates
Weaknesses
- Expensive at around $99 per cert
- Limited catalog outside Cisco and CompTIA
- Steeper learning curve than simpler platforms
Best For
- Cisco certification candidates
- CompTIA candidates who want higher-quality practice than Dion
Pricing
Around $99 per certification.
Score Interpretation
Boson calibrates very close to Cisco's real exam difficulty. A consistent pass on Boson practice indicates strong readiness.
Pocket Prep
Mobile-first practice platform covering a broad catalog of certifications.
Strengths
- Mobile app makes practice easy on commutes and during breaks
- Broad coverage across CompTIA, (ISC)², PMI, and many others
- Subscription pricing is reasonable for candidates pursuing multiple certs
- Quick-quiz and flashcard modes alongside full exam simulation
Weaknesses
- Desktop experience is secondary
- Question depth can be shallower than purpose-built platforms
- Does not always match the latest exam version immediately
Best For
- Candidates who want to study in short mobile sessions
- Candidates pursuing several certifications in parallel
- CompTIA and (ISC)² candidates
Pricing
Around \(20/month subscription or one-time \)100 per certification.
Score Interpretation
Pocket Prep runs close to real exam difficulty for most major certifications. Use it as supplementary practice alongside a purpose-built platform rather than as your only resource.
"Mobile-first practice during commute, lunch breaks, and idle moments compounds meaningfully over a 3-month certification study period. Candidates who combine a primary full-session practice platform with a mobile practice platform typically pass with higher scores than those using only one." - Mike Chapple, author of CompTIA Security+ Study Guide, speaking on the ITProTV podcast
CertMaster Practice (Official CompTIA)
CompTIA's official practice platform.
Strengths
- Official CompTIA content
- Adaptive learning algorithm that targets weak areas
- Direct alignment with CompTIA exam objectives
- Reasonably priced for an official product
Weaknesses
- Question variety is smaller than third-party alternatives
- Less depth per question than Boson or MeasureUp
- Expensive compared to Dion for similar exam coverage
Best For
- CompTIA candidates who want an official product
- Candidates who benefit from adaptive learning
- Candidates whose employers reimburse CompTIA-branded products preferentially
Pricing
Around $149 per certification.
Score Interpretation
CertMaster Practice calibrates close to real CompTIA exams. Use it as primary or supplementary practice.
Kaplan IT Training
Broad practice test platform with a long history.
Strengths
- Wide certification catalog
- Integration with other Kaplan training products
- Reliable quality across covered certifications
Weaknesses
- Pricing can be unclear and varies by certification
- Interface feels dated
- Less community traction than purpose-built platforms
Best For
- Candidates already using Kaplan training resources
- Corporate training environments
Pricing
Varies. Subscription and per-exam options.
Cybrary Practice
Practice platform focused on cybersecurity certifications.
Strengths
- Deep cybersecurity focus
- Good coverage of Security+, CySA+, CISSP, and similar
- Often bundled with broader Cybrary training
Weaknesses
- Coverage outside security is thin
- Question quality varies
Best For
- Security-focused candidates
- Candidates already paying for Cybrary training
Practice Labs
Hands-on lab platform with some practice test integration.
Strengths
- Real hands-on lab environment for certifications that benefit (AZ-104, CCNA, some security certs)
- Good for practicing configuration skills under exam-like conditions
- Integration with major learning paths
Weaknesses
- Focused on labs, less on traditional practice test format
- Subscription pricing
- Lab access can feel slower than dedicated cloud sandboxes
Best For
- Candidates preparing for exams with lab components
- Hands-on learners who struggle with pure multiple choice practice
Udemy Individual Sellers
A range of individual practice test courses sold on Udemy beyond the major branded providers.
Strengths
- Very cheap (\(10 to \)20 typical)
- Variety of styles and approaches
- Frequent sales drop prices to $10 or less
Weaknesses
- Quality varies enormously from course to course
- Some are scraped content from other sources
- Update cadence is inconsistent
Best For
- Supplementary practice after a primary platform
- Budget-constrained learners combining multiple cheap resources
Check reviews carefully. Look for recent (within 6 months) reviews that mention current exam version numbers. Avoid courses with glowing generic reviews and no specifics.
Head-to-Head Comparisons
AWS Certifications
Best primary: Tutorials Dojo Best secondary: Whizlabs or Neal Davis Udemy tests Skip: Cheap Udemy random sellers for AWS specifically
Azure Certifications
Best primary: MeasureUp (official, closest to exam) Best secondary: Whizlabs or Tutorials Dojo Skip: Most low-cost Udemy options for Azure
CompTIA Certifications
Best primary: Dion Training Best secondary: Pocket Prep or Boson (for candidates wanting premium quality) Official option: CertMaster Practice if employer-reimbursed
Cisco Certifications
Best primary: Boson Best secondary: CBT Nuggets practice (bundled with video) Skip: Generic cheap Udemy practice for Cisco specifically
(ISC)² Certifications (CISSP, SSCP)
Best primary: Boson or Sybex official test bank Best secondary: Pocket Prep for mobile practice Skip: Unbranded Udemy practice at this tier
Google Cloud Certifications
Best primary: Tutorials Dojo (growing in strength for GCP) Best secondary: Whizlabs Official option: Google's own practice exam (free but limited)
The GCP certifications worth it in 2026 guide covers GCP-specific practice resource recommendations.
PMI and Project Management
Best primary: PMTraining or Simplilearn (for PMP specifically) Best secondary: Dion Training (through Udemy) Skip: Most general Udemy PMP practice
How to Use Practice Tests Effectively
Buying a good practice test platform is half the battle. Using it effectively is the other half. Mistakes cost score on real exam day.
Start Practice at the Right Point
Begin structured practice exams when you have completed primary study material and can score around 60 percent on a domain-specific quiz. Starting practice too early (before foundational knowledge) wastes questions. You burn through the question pool before you are learning efficiently.
Use Study Mode First, Exam Mode Second
Good platforms offer two modes:
- Study mode: immediate feedback, unlimited review
- Exam mode: timed, shuffled, no feedback until end
Use study mode for early practice. Switch to exam mode for the last 3 to 4 weeks of preparation. The cert exam cramming last 7 days plan covers exam mode timing specifically.
Review Every Wrong Answer
The value of practice tests is in the review, not the scoring. For every wrong answer:
- Read the question again
- Read the explanation fully
- Identify whether the gap was knowledge, careless reading, or misinterpretation
- Make a note for later review
Candidates who take 10 practice tests without reviewing wrong answers gain less than candidates who take 3 practice tests with thorough review.
Track Domain Performance
Good practice platforms report scores by domain. Track these across multiple tests. Patterns emerge:
- Consistently weak domains need targeted study
- Domains that swing between good and bad scores indicate shallow knowledge
- Strong domains can be maintained with light review
Do Not Re-Use Questions Too Soon
Repeating the same practice test within 3 to 5 days lets memory of specific questions inflate your score. Wait at least a week before retaking the same test. Better: rotate among multiple practice tests from the same platform to keep exposure to varied questions.
Scoring Calibration Guide
Different platforms calibrate to different difficulty levels. Here is how to interpret scores:
| Platform | Target Practice Score for Confidence |
|---|---|
| Tutorials Dojo | 75 to 80% |
| MeasureUp | 75 to 80% |
| Dion Training | 80 to 85% (runs slightly harder) |
| Boson | 75 to 80% |
| Whizlabs | 80 to 85% (runs slightly easier) |
| CertMaster Practice | 75 to 80% |
| Pocket Prep | 80 to 85% |
These targets assume you are one week from the real exam. Earlier in preparation, scores will be lower and should improve over time.
Platform-Specific Pitfalls
Tutorials Dojo Pitfalls
Some candidates burn through all TD questions in week one of practice and then have no fresh material for the final two weeks. Spread the questions across your practice period.
Whizlabs Pitfalls
The easier calibration can produce false confidence. Always supplement with a harder platform (like Dion for CompTIA or TD for AWS) to calibrate.
MeasureUp Pitfalls
The 60 to 90 day access window means you need to time your subscription carefully. Do not subscribe too early.
Dion Pitfalls
The Udemy platform lacks a good exam-mode UI. Consider a second source for timed full-exam simulation.
Boson Pitfalls
The premium price means candidates often buy only one Boson test and miss the value of multiple retakes. Budget for the subscription or multiple purchases if you are serious about Cisco.
Free Practice Resources
Paid is usually better, but several free resources are worth knowing.
- AWS official practice questions (limited but free, part of AWS training)
- Microsoft Learn practice questions (limited, tied to specific learning paths)
- CompTIA sample questions (limited, free on CompTIA site)
- Professor Messer's free practice exams (for CompTIA)
- ExamTopics and other dump-style sites (quality varies, some are actually exam dumps that violate certification agreements, avoid these)
Free resources are fine for early preparation. Shift to paid platforms for serious final preparation. The quality difference is significant.
The Exam Dump Warning
A word on exam dumps. Sites claiming to have "real exam questions" are usually exam dumps: leaked actual questions from the real exam. Using these:
- Violates the certification agreement you sign when registering
- Can result in certification revocation if detected
- Does not develop real knowledge even if you pass
Modern certification bodies use statistical detection to identify dump users (answer patterns, time distribution, score distribution relative to practice). Detection accuracy has improved significantly. Candidates caught using dumps lose their certifications and are often banned from future exams for years.
Legitimate practice exams (Tutorials Dojo, Dion, MeasureUp, Boson, etc.) write original questions that mirror exam style. These are legal and ethical. Exam dumps are not.
"We take exam integrity extremely seriously. Candidates caught using brain dumps or sharing real exam content face immediate revocation of their certifications and a ban from future AWS exams, sometimes permanently. The statistical detection is better than candidates realize." - AWS Certification Program team statement, AWS Partner Network blog, 2023
Combining Platforms
The strongest preparation usually combines two platforms: one primary, one secondary.
Recommended combinations:
- AWS: Tutorials Dojo primary + Whizlabs or Neal Davis secondary
- Azure: MeasureUp primary + Tutorials Dojo or Whizlabs secondary
- CompTIA: Dion Training primary + Pocket Prep or CertMaster secondary
- Cisco: Boson primary + CBT Nuggets secondary
Do not combine three platforms. The marginal value drops and you end up spending more time on platform logistics than on learning.
Budget Considerations
Total practice test spend for a serious certification preparation:
| Level | Typical Spend |
|---|---|
| Budget | \(15 to \)30 (single platform) |
| Standard | \(40 to \)80 (primary plus secondary) |
| Premium | \(150 to \)250 (official plus premium platforms) |
Spending \(250 on practice tests for a \)2000/year salary bump is a good investment. Spending $50 and failing by 3 points costs more in the retake fee plus lost time. Budget practice tests as a percentage of the salary they help you unlock.
Companion Resources
Beyond practice tests themselves, certain companion resources compound well:
- Note-taking systems (our best note-taking apps for certification study guide covers options)
- Flashcard systems (Anki for most candidates)
- Video courses matched to the practice test platform's domain coverage
- Community forums for specific certifications (subreddits, Discord servers)
For candidates balancing certification practice with broader professional development, Evolang covers technical writing and professional communication that transfers directly to certification career outcomes. Cognitive and retention resources at What's Your IQ support long study campaigns. Consultants building certification coaching practices can reference Corpy for business formation, and small utility tools come up regularly in the form of file converters for study material conversion and QR tools for practical IT work.
Platform Roadmap for 2026
Based on current trends:
- Tutorials Dojo continues to expand coverage to Azure and GCP alongside AWS
- MeasureUp adapting to new Microsoft exam versions reasonably quickly
- Dion Training expanding catalog to newer CompTIA certifications
- Pocket Prep growing subscription base with mobile-first learners
- Emerging platforms in AI and ML certifications as those catalogs grow
Expect at least two new AI-certification-focused practice platforms to emerge in 2026 as the AWS AI Practitioner, Microsoft AI-102, and Google Professional ML Engineer certifications accumulate candidate demand.
The Practical Recommendation
For most candidates in 2026:
- AWS candidates: buy Tutorials Dojo for your specific cert. Supplement with Whizlabs if budget allows.
- Azure candidates: buy MeasureUp for your specific cert. Supplement with Tutorials Dojo.
- CompTIA candidates: buy Dion Training on Udemy (wait for a sale). Supplement with Pocket Prep mobile.
- Cisco candidates: buy Boson. No compromise here, it is worth the price.
- Security certifications ((ISC)², SANS): buy Sybex test banks plus Boson.
- PMI and project management: buy PMTraining or equivalent.
The cost of the right practice platform is always less than the cost of a failed exam. Invest appropriately.
References
CompTIA. CertMaster Practice Official Product Page. https://www.comptia.org/training/certmaster-practice
AWS. AWS Certification Program Agreement. Amazon Web Services. https://aws.amazon.com/certification/certification-agreement/
Chapple, Mike. CompTIA Security+ Study Guide, SY0-701 Edition. Sybex, 2023. ISBN: 978-1394211418.
Bonso, Jon. Tutorials Dojo Official Site. https://tutorialsdojo.com
Dion, Jason. Dion Training Official Site. https://www.diontraining.com
Boson. Boson ExSim Practice Exams. https://www.boson.com
MeasureUp. MeasureUp Official Practice Tests. https://www.measureup.com
Pocket Prep. Pocket Prep Official Site. https://www.pocketprep.com
Frequently Asked Questions
What is the best AWS practice test platform?
Tutorials Dojo (Jon Bonso) is the community gold standard for AWS practice exams. Question style closely mirrors real AWS exams, explanations are thorough, and updates track exam version changes. Most passing AWS candidates cite TD as their primary practice resource.
Is Whizlabs or Tutorials Dojo better for AWS?
Tutorials Dojo is stronger for AWS specifically. Whizlabs is broader and runs slightly easier than real exams, which can produce false confidence. For AWS, use Tutorials Dojo as primary; Whizlabs works as a supplementary source to expose you to more questions.
Are Dion Training practice tests worth it?
Yes for CompTIA and PMI certifications. Dion tests are affordable on Udemy (often \(10 to \)20 on sale), cover current exam versions, and run slightly harder than real exams, which produces well-prepared candidates. Many CompTIA candidates pass with Dion as their only practice resource.
Should I use MeasureUp for Azure exams?
Yes, MeasureUp is Microsoft's official practice partner and calibrates very close to real Azure exams. It is expensive (\(80 to \)130 per cert) but the question quality justifies the cost for serious Azure candidates. Time the 60 to 90 day access window to coincide with your final study phase.
What about exam dumps and leaked questions?
Avoid them. Exam dumps violate certification agreements and risk revocation. Modern certification bodies use statistical detection to identify dump users and ban them from future exams. Legitimate practice platforms (TD, Dion, MeasureUp, Boson) write original questions that mirror exam style without being leaked content.
How much should I budget for practice tests?
Budget \(40 to \)80 for a standard primary-plus-secondary platform combination. Premium preparation with official platforms can run \(150 to \)250. Given that a certification can unlock $10,000+ in salary differential, even the premium budget is a strong ROI investment.
When should I start taking practice tests?
Start practice exams when you have completed primary study material and can score around 60 percent on domain-specific quizzes. Full-length practice exams belong in the last 4 to 6 weeks of preparation. Starting earlier wastes the fresh question pool before you can learn efficiently from wrong answers.