For 20 seconds vs Don't Solve This Brain Puzzle
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
For 20 seconds
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.
- 20-second gameplay limit
- Four distinct stages
- Simple tap controls
- Free to play
- High score focus
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This is the last word of the free casual game apps !! There are 4 stages. Please show me your best playing for 20 seconds. how to play: tap the left and right key
Don't Solve This Brain Puzzle
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.
- Tricky logic riddles
- Unconventional puzzle mechanics
- Hidden secrets and tricks
- Minimalist interface
- Challenging brain teasers
- No explicit instructions
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Is this a game? Technically yes. It's a puzzle. A hard logic puzzle with tricky brain teasers. Enough levels to keep you busy. Why "technically"? Because when you open it, you won't realize it started. The screen will be mostly empty. There's no Start button. The first puzzle is already happening, and you haven't noticed. Tutorial? No. Hints? Yes. They're also strange. What am I supposed to do? Tap. Swipe. Shake. Rotate. Sometimes close the app and think. These are logic puzzles, brain teasers, tricky riddles, and mystery puzzles at the same time, just without instructions. Are there secrets? Yes. Hidden codes, secret tricks, and small details that only matter once you notice them. Is this an escape room? Sort of. An escape puzzle with no room and no exit. How long does it take? Some people finish in an evening. Some get stuck on puzzle 4 for six months. Both are fine. Is it a hard brain test? Yes. These are impossible puzzles, but not in a hard math way. The logic is just different here. Different how? If we told you, it wouldn't be a puzzle anymore. What's at the end? Something. Not a score. Not a leaderboard. Not a "Congratulations". A dog? Possibly. . . . . . . . The code you need: 9767
Screenshots
Verdict
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.
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. 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.
| Parameter | For 20 seconds | Don't Solve This Brain Puzzle |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.7 (12 ratings) |
| Positive reviews | 31.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 12 — better |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.0 — better | 17.5 |
| Further details — not scored | ||
| Size | 9 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | REP COM Inc. | Olena Gotsulyak |
Customer experience
For 20 seconds
Don't Solve This Brain Puzzle
In-app purchases
For 20 seconds
No in-app purchases
Don't Solve This Brain Puzzle
- +8 hints$0.99
- +4 hints$0.99
- +16 hints$1.99
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- Premium version$2.99
Questions
Is For 20 seconds free?
Is Don't Solve This Brain Puzzle free?
Which has better reviews, For 20 seconds or Don't Solve This Brain Puzzle?
Do For 20 seconds or Don't Solve This Brain Puzzle have ads?
Which is updated more often, For 20 seconds or Don't Solve This Brain Puzzle?
Other comparisons
