STEM FLEX vs Brainza
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
STEM FLEX
Read full descriptionHide full description
Built with rural students in mind, our platform matches the expressed interests and needs of students with in-person and virtual STEM events, camps, clubs, and competitions. STEM FLEX guides students toward careers in high-demand, high-wage fields such as IT, healthcare, construction, and advanced manufacturing. Users can explore the platform as guests or create a profile to create a personalized experience.
Brainza
Enhance memory, logic, and focus with engaging games and tests. This app offers structured mental workouts to challenge different cognitive skills and help you understand your brain's strengths. Suitable for anyone seeking to stay mentally sharp and enjoy intellectual challenges.
- Memory improvement games
- Logic puzzles and tests
- Focus and attention exercises
- IQ-style assessments
- Daily mental workouts
- Cognitive skill development
Read full descriptionHide full description
CapyIQ is a brain training app designed to improve memory, logic, focus, and problem-solving skills through engaging games and interactive tests. Train your mind with a variety of cognitive exercises created to challenge different aspects of thinking. Whether you want to sharpen your attention, strengthen memory, or test your reasoning abilities, CapyIQ provides structured and enjoyable mental workouts. Cognitive Skill Development Improve memory, concentration, logical thinking, and mental flexibility with carefully designed challenges of varying difficulty levels. Brain Games Enjoy logic puzzles, matching challenges, attention exercises, pattern recognition tasks, and strategic mini-games that keep your mind active and engaged. IQ Tests and Self-Discovery Explore your intellectual strengths with IQ-style tests and analytical tasks that help you better understand how your brain works. Daily Mental Training Just a few minutes a day can help maintain cognitive activity and build consistent mental habits. CapyIQ is suitable for anyone who wants to stay mentally sharp, improve productivity, and enjoy meaningful intellectual challenges. Download CapyIQ and start training your brain today. The app includes in-app purchases. A subscription removes ads and unlocks additional tests and premium content. Terms of Use: https://docs.google.com/document/d/1UFcPTMPC7U83IQzaI-GHtLlJbIWnoKDgLYTfmout3eo/edit?usp=sharing Privacy Policy: https://docs.google.com/document/d/1XiLKnsBCT-lt7L6bpGtB9ot22b7d1W-PfKSYc-JhqRs/edit?usp=sharing
Screenshots
Verdict
The clearest difference is in-app purchases: STEM FLEX at none against Brainza's 2. STEM FLEX also leads on update cadence (every 5 days vs fortnightly) and device support (3 vs 1). On price and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Brainza sells 2 in-app purchases, starting at $7.99 per 7 days. STEM FLEX asks for nothing beyond the download.
STEM FLEX ships an update every 5 days, Brainza fortnightly. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.
| Parameter | STEM FLEX | Brainza |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 30 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | FableVision, INC | PL-CON LTD |
In-app purchases
STEM FLEX
No in-app purchases
Brainza
- Week Trial subscription3 Days trial$7.997 Days
- Yearly Subscription$39.991 Year
