Comparison

Health React vs CogniTrain

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

Head to head
About

Health React

Features
Read full description

Questionnaire application for participants in EMA studies. Displays regular, immediate, and contextual questionnaires in response to an event. Immediate questionnaires can be initiated by actions on the server as well as by the user's instructions.

About

CogniTrain

Features
Read full description

Elevate Your Mental Performance CogniTrain is a comprehensive cognitive training platform designed to strengthen your mental abilities through scientifically-backed exercises. Whether you're looking to sharpen your focus, improve memory recall, or enhance processing speed, CogniTrain offers targeted games that challenge and develop your brain. Core Training Games: Stroop Effect Challenge Test your cognitive processing and mental flexibility with this classic psychological exercise. Choose between Classic mode (2 colors) or Expert mode (6 colors) and race against time to identify colors while managing cognitive interference. Perfect for improving attention control and processing speed. Concentration Grid Develop sequential memory and focus with number tracking challenges. Find numbers in order across increasingly complex grids while racing against the clock. Multiple difficulty modes adapt to your skill level, providing progressive challenges that grow with you. Interval Timer Create customizable training sessions with work/rest cycles. Ideal for complementing physical workouts, studying sessions, or any interval-based activity. Configure sets, rounds, and timing to match your exact needs. Color & Number Generator Dynamic randomization tool for creative training approaches. Generate random color and number combinations with adjustable intervals and display modes to support various cognitive exercises and memory training techniques. Key Features: โ€ข Science-Based Design: Games built on established cognitive psychology principles โ€ข Progress Tracking: Monitor your performance improvements over time โ€ข Flexible Difficulty: Multiple modes accommodate beginners to advanced users โ€ข Time-Based Challenges: Build processing speed and decision-making accuracy โ€ข Customizable Settings: Tailor each game to your training goals โ€ข Clean Interface: Distraction-free design keeps you focused on training โ€ข Offline Training: Practice anywhere, anytime without internet connection Who Benefits from CogniTrain: Students seeking to improve focus and memory retention, professionals maintaining mental sharpness, athletes training reaction time and decision-making, seniors preserving cognitive health, or anyone committed to ongoing mental fitness. Start your cognitive training journey today. Build stronger mental muscles through consistent, targeted practice. Your brain deserves a workout routine as dedicated as your body. Privacy Policy: https://cognitrain.cloud/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Health React4 screens
CogniTrain4 screens

Verdict

The call

The clearest difference is in-app purchases: Health React at none against CogniTrain's 2. On price, update cadence, ads and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. CogniTrain sells 2 in-app purchases, starting at $1.99 per month. Health React asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 20, 2026 and October 9, 2026 respectively.

Scorecard1 real difference ยท 5 level
Health React versus CogniTrain: the parameters behind the verdict, then further details
ParameterHealth ReactCogniTrain
PriceFreeFree
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.6 โ€” better16.4
Further details โ€” not scored
Size60 MB55 MB
Age rating4+4+
DeveloperRichard CimlerJan Petruela

In-app purchases

None

Health React

No in-app purchases

2 purchases

CogniTrain

Subscriptions2
  • Premium Monthly Subscription$1.991 Month
  • Premium Yearly Subscription$19.991 Year

Questions

Is Health React free?
Health React is free to download, with no in-app purchases.
Is CogniTrain free?
CogniTrain is free to download, with in-app purchases available.
Do Health React or CogniTrain have ads?
Neither Health React nor CogniTrain shows ads.
Which is updated more often, Health React or CogniTrain?
Health React ships an update every 2 months, and CogniTrain every 2 months. Most recently, Health React was updated on October 20, 2026 and CogniTrain on October 9, 2026.

Other comparisons