# For 20 seconds vs Don't Solve This Brain Puzzle

The clearest difference is review sentiment: Don't Solve This Brain Puzzle at 100% against For 20 seconds's 31%. Don't Solve This Brain Puzzle also leads on ratings volume (12 vs 1). For 20 seconds's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Don't Solve This Brain Puzzle sells 4 one-off in-app purchases. For 20 seconds asks for nothing beyond the download.

For 20 seconds holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Don't Solve This Brain Puzzle has 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 31% of For 20 seconds's written reviews are positive against 100% of Don't Solve This Brain Puzzle's, so the app with the better star average is not the one people write more warmly about.

For 20 seconds ships an update every 2 months, Don't Solve This Brain Puzzle every 5 weeks. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | For 20 seconds | Don't Solve This Brain Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/for-20-seconds/id821932414/reviews)** | [4.7 (12 ratings)](https://appshunter.io/ios/app/dont-solve-this-brain-puzzle/id6741539580/reviews) |
| Number of ratings | 1 | **12** |
| Positive reviews | 31.4% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 33 MB |
| Requires iOS | **8.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [REP COM Inc.](https://appshunter.io/developer/702707146) | [Olena Gotsulyak](https://appshunter.io/developer/1699979294) |

## What reviewers say

### For 20 seconds

[App page](https://appshunter.io/ios/app/for-20-seconds/id821932414)

A free casual game where players aim for the best score within a 20-second time limit. Navigate through four stages using simple left and right tap controls.

**Highlights:** 20-second gameplay limit, Four distinct stages, Simple tap controls, Free to play, High score focus

**Features:** macOS Compatibility

**In-app purchases:** none


### Don't Solve This Brain Puzzle

[App page](https://appshunter.io/ios/app/dont-solve-this-brain-puzzle/id6741539580)

Engage in a unique puzzle experience with tricky logic riddles and brain teasers. This game offers a minimalist interface where puzzles begin immediately, requiring unconventional interactions like tapping, swiping, and even thinking outside the box to uncover hidden secrets and progress through challenging levels.

**Highlights:** Tricky logic riddles, Unconventional puzzle mechanics, Hidden secrets and tricks, Minimalist interface, Challenging brain teasers, No explicit instructions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +8 hints | $0.99 | one-time |
| +4 hints | $0.99 | one-time |
| +16 hints | $1.99 | one-time |
| Premium version | $2.99 | one-time |


## Frequently asked questions

### Is For 20 seconds free?

For 20 seconds is free to download, with no in-app purchases.

### Is Don't Solve This Brain Puzzle free?

Don't Solve This Brain Puzzle is free to download, with in-app purchases available.

### Which has better reviews, For 20 seconds or Don't Solve This Brain Puzzle?

For 20 seconds is rated higher. For 20 seconds averages 5.0 out of 5 from 1 ratings, while Don't Solve This Brain Puzzle averages 4.7 from 12 ratings.

### Do For 20 seconds or Don't Solve This Brain Puzzle have ads?

Don't Solve This Brain Puzzle shows ads; For 20 seconds does not.

### Which is updated more often, For 20 seconds or Don't Solve This Brain Puzzle?

For 20 seconds ships an update every 2 months, and Don't Solve This Brain Puzzle every 5 weeks. Most recently, For 20 seconds was updated on November 1, 2026 and Don't Solve This Brain Puzzle on November 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*