2581=? vs Sand Bump
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
2581=?
A simple puzzle game where players select the correct answer by tapping. It challenges users to think differently and rely on intuition rather than logic.
- Intuitive tap-based gameplay
- Pattern recognition challenges
- Minimalist design
- Quick play sessions
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0000=4 1111=0 2222=0 3333=0 4444=4 5555=0 6666=4 7777=0 8888=8 9999=4 Don't think, feel! Select by tap the answer.
Sand Bump
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Collect as many balls as possible! Go to the end of the level, and don't touch a bomb!
Screenshots
Verdict
The clearest difference is update cadence: Sand Bump at weekly against 2581=?'s every 9 months. 2581=?'s advantage is iOS requirement (7.0 vs 13.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
2581=? ships an update every 9 months, Sand Bump weekly. The most recent releases landed on November 7, 2026 and October 27, 2026 respectively.
| Parameter | 2581=? | Sand Bump |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (7 ratings) — better | — |
| Positive reviews | 22.2% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 9 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 6 MB | 64 MB |
| Age rating | 4+ | 4+ |
| Developer | RUCKYGAMES CO., LTD. | App Swim LLC |
In-app purchases
2581=?
No in-app purchases
Sand Bump
No in-app purchases
