# Just make 10  Simple math game vs 90초암산왕

The clearest difference is update cadence: 90초암산왕 at every 4 days against Just make 10  Simple math game's every 9 days. Just make 10  Simple math game's advantage is iOS requirement (9.0 vs 15.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Just make 10  Simple math game ships an update every 9 days, 90초암산왕 every 4 days. The most recent releases landed on October 23, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Just make 10  Simple math game | 90초암산왕 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/just-make-10-simple-math-game/id1422338999/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | Free | Free |
| Size | 126 MB | 59 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Taro Horiguchi](https://appshunter.io/developer/1035108482) | [HYUNWOO LEE](https://appshunter.io/developer/1592216709) |

## What reviewers say

### Just make 10  Simple math game

[App page](https://appshunter.io/ios/app/just-make-10-simple-math-game/id1422338999)

This game challenges you to reach the number 10 by using four randomly generated numbers and basic arithmetic operations. It offers both a standard mode and a timed challenge to test your math skills.

**Highlights:** Use four random numbers, Apply addition, subtraction, multiplication, division, Normal mode, Time attack mode, Simple math challenges

**In-app purchases:** none


### 90초암산왕

[App page](https://appshunter.io/ios/app/90/id6695733334)

Challenge yourself to solve as many math problems as possible within 90 seconds. Improve your calculation speed and accuracy across various addition, subtraction, multiplication, and division games. Compete with others on leaderboards and share your scores.

**Highlights:** Timed math challenges, 17 game modes, Addition, subtraction, multiplication, division, Leaderboards, Score sharing, Brain training

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

**In-app purchases:** none


## Frequently asked questions

### Is Just make 10  Simple math game free?

Just make 10  Simple math game is free to download, with no in-app purchases.

### Is 90초암산왕 free?

90초암산왕 is free to download, with no in-app purchases.

### Do Just make 10  Simple math game or 90초암산왕 have ads?

Neither Just make 10  Simple math game nor 90초암산왕 shows ads.

### Which is updated more often, Just make 10  Simple math game or 90초암산왕?

Just make 10  Simple math game ships an update every 9 days, and 90초암산왕 every 4 days. Most recently, Just make 10  Simple math game was updated on October 23, 2026 and 90초암산왕 on October 21, 2026.

---

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