Comparison

Performance Engineer Trainer vs Mobile Tester

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Performance Engineer Trainer

Features
Read full description

Perf Trainer is a hands-on learning app designed for performance engineers, QA specialists, and developers who want to master performance testing and system optimization. The app provides real-world scenarios, practical exercises, and interactive quizzes to help you improve your skills and think like a performance expert. Key features: β€’ Real-world performance testing cases β€’ Interactive quizzes and challenges β€’ XP and leveling system to track your progress β€’ Practical theory with clear explanations β€’ Designed for backend, QA, and DevOps engineers Whether you're preparing for interviews or improving your daily engineering skills, Perf Trainer helps you learn faster and apply knowledge in real situations. Start training your performance mindset today.

About

Mobile Tester

Features
Read full description

Mobile Tester is a learning platform for mobile testing, from Junior to Senior level. It helps you prepare for interviews, improve your knowledge, and practice real cases all in one place. WHAT’S INSIDE: - Tests Check your knowledge of key topics: mobile OS, automation, tools, and networking. Track your progress. - Articles Read simple articles about testing strategies, tools, and best practices from a real tester. - Case Studies Practice real scenarios: registration, catalogs, maps, galleries, deep links. Learn to find bugs and edge cases. - Interview Prep Flashcards with questions for different levels. Cards are shuffled to help you train better. - Podcast Listen to episodes about mobile testing. No subscriptions. No ads. Just learning.

Screenshots

Performance Engineer Trainer3 screens
Mobile Tester4 screens

Verdict

The call

The clearest difference is update cadence: Performance Engineer Trainer at every 4 days against Mobile Tester's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Performance Engineer Trainer ships an update every 4 days, Mobile Tester monthly. The most recent releases landed on September 29, 2026 and September 23, 2026 respectively.

Scorecard1 real difference Β· 5 level
Performance Engineer Trainer versus Mobile Tester: the parameters behind the verdict, then further details
ParameterPerformance Engineer TrainerMobile Tester
PriceFreeFree
Update frequencyEvery 4 days β€” betterMonthly
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 β€” better17.6
Further details β€” not scored
Size4 MB42 MB
Age rating17+17+
DeveloperKirill KalistratovVladislav Kazachek

In-app purchases

None

Performance Engineer Trainer

No in-app purchases

None

Mobile Tester

No in-app purchases

Questions

Is Performance Engineer Trainer free?
Performance Engineer Trainer is free to download, with no in-app purchases.
Is Mobile Tester free?
Mobile Tester is free to download, with no in-app purchases.
Do Performance Engineer Trainer or Mobile Tester have ads?
Neither Performance Engineer Trainer nor Mobile Tester shows ads.
Which is updated more often, Performance Engineer Trainer or Mobile Tester?
Performance Engineer Trainer ships an update every 4 days, and Mobile Tester monthly. Most recently, Performance Engineer Trainer was updated on September 29, 2026 and Mobile Tester on September 23, 2026.

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