BrainBay vs CogniSift
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BrainBay
A collection of classic brain-training puzzle games designed for quick play sessions. Enjoy Sudoku, 2048, memory matching, and 24-point challenges with a minimalist interface. More games are planned for future updates.
- Sudoku puzzles
- 2048 number game
- Memory matching
- 24-point calculation
- Minimalist interface
- Multiple puzzle types
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BrainBay is your daily brain-training companion. Sharpen six core cognitive abilities — reaction, logic, memory, focus, math, and spatial reasoning — through quick, fun daily workouts. Follow a personalized plan, watch your ability chart grow, and build a brain-training habit that sticks. · Personalized daily training plan · Six ability dimensions in one place · Visual ability chart that shows where you stand · Daily reminders to help the habit stick · Quick, enjoyable, and designed for everyday use Start training today and keep your mind sharp.
CogniSift
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CogniSift turns critical thinking into a small, practical daily habit. Start with one short real-life challenge each day. Choose the clearest interpretation, then learn how a bias, argument flaw, evidence problem, or decision trap shaped the situation. Explore a searchable library of reasoning patterns, save useful concepts, and train with focused five-question rounds. When you miss a pattern, CogniSift automatically adds it to your Review Queue so you know exactly what to revisit. Track your streak, accuracy, solved patterns, and progress across categories without creating an account. Everything works offline and your learning data stays on your device. Features: - Daily critical-thinking challenge - 30 practical reasoning patterns - Mixed and category-based practice rounds - Automatic Review Queue for missed patterns - Searchable learning library - Favorites - Real-life examples and clear takeaways - Streak, accuracy, and category progress - Fully offline experience - No account required CogniSift is designed for practical learning rather than long theory. Use it to make sharper decisions, read claims more carefully, and notice weak reasoning in everyday conversations.
Screenshots
Verdict
The clearest difference is device support: BrainBay at 3 against CogniSift's 1. BrainBay also leads on iOS requirement (14.0 vs 17.0). On price, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | BrainBay | CogniSift |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 15 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Silverdragon Tech PTE. LTD | Barbara Chacon |
In-app purchases
BrainBay
No in-app purchases
CogniSift
No in-app purchases









