Just Button vs 4=10
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Just Button
This is a minimalist application that provides a single interactive button. Each tap increments a counter displayed on the screen. It offers a distraction-free experience with no advertisements or in-app purchases.
- Single interactive button
- Number counter
- No ads
- No in-app purchases
- No data mining
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No Ads, No In-App Purchases, No Data-Mining. Just Button is incredibly simple. You tap the button, and the number goes up. It is, after all, just a button.
4=10
A casual number puzzle game for all ages. Combine four given numbers using basic math operations to reach the target of 10. It offers a relaxing experience that improves mental math skills and number familiarity.
- Combine four numbers to equal 10
- Basic math operations
- Gradually increasing difficulty
- One-handed play
- Improves mental math skills
- Relaxing and soothing gameplay
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4=10 is a simple number puzzle game suitable for all ages. The objective is to use four given numbers and combine them in an expression that equals 10. For example, you can solve it by adding 1, 2, 3, and 4 together (1+2+3+4=10). The game relies on basic math operations and starts off easy, gradually increasing in difficulty. It's designed to be a relaxed and soothing experience. You can play it with just one hand, using your phone whenever and wherever you like. By playing this game, you'll become more comfortable with numbers and improve your basic math skills, including mental calculations, using parentheses, and following the correct order of operations. Enjoy the game and happy calculating! :)
Screenshots
Verdict
The clearest difference is rating: 4=10 at 4.9 against Just Button's 4.3. 4=10 also leads on review sentiment (98% vs 83%). Just Button's advantage is in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 2 months). On price, ratings volume, ads 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. 4=10 sells 1 one-off in-app purchase. Just Button asks for nothing beyond the download.
4=10 holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 944 and 2.6K respectively. Written reviews point the same way: 83% of Just Button's written reviews are positive against 98% of 4=10's.
Just Button ships an update every 3 weeks, 4=10 every 2 months. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.
| Parameter | Just Button | 4=10 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (944 ratings) | 4.9 (2.6K ratings) — better |
| Positive reviews | 83.3% of reviews | 97.9% of reviews — better |
| Number of ratings | 944 | 2.6K — better |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | aleros.io LLC | Sveinn Steinarsson |
Customer experience
Just Button
4=10
User reviews
Just Button
From 944 App Store ratingsWhat we love
- 🚀 Addictive and engaging gameplay
- 👍 Unique and minimalistic design
- 🔒 No ads or in-app purchases
- 💡 Surprising depth and story
- 🚀 Smooth and responsive controls
Room to improve
- 🐛 Occasional bugs and glitches
- 🔊 Loud sound effects that can't be muted
- 🤔 Frustrating mini-games and difficulty spikes
- 🕰️ Repetitive and grindy progression
4=10
From 2.6K App Store ratingsWhat we love
- 👍 Simple and fun
- 🧠 Helps improve math skills
- 🔒 No ads or in-app purchases
- 💡 Challenging yet relaxing
Room to improve
- 🤔 Some levels too easy
- 🤯 Can get repetitive at times
Bugs and requests
Just Button
Reported bugs
3 issues- Progress reset after purchasing certain upgrades
- Inability to exit certain mini-games without restarting
- Inconsistent button responsiveness
Requested features
3 requests- Option to disable sound effects
- Ability to save progress and resume later
- More variety in gameplay and mini-games
4=10
Reported bugs
1 issue- None reported
Requested features
2 requests- Add more difficulty levels
- Introduce new gameplay modes
In-app purchases
Just Button
No in-app purchases
4=10
- 4≠10 add-on$3.99
