# 10を作れ！【脳トレ】 vs Numera

The clearest difference is in-app purchases: 10を作れ！【脳トレ】 at none against Numera's 10. Numera's advantage is update cadence (every 6 days vs every 9 months) and iOS requirement (12.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Numera sells 10 one-off in-app purchases. 10を作れ！【脳トレ】 asks for nothing beyond the download.

10を作れ！【脳トレ】 ships an update every 9 months, Numera every 6 days. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | 10を作れ！【脳トレ】 | Numera |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 months | **Every 6 days** |
| Size | 3 MB | 261 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YUKI HAYANO](https://appshunter.io/developer/874819360) | [Metric Studio Inc.](https://appshunter.io/developer/1618098746) |

## What reviewers say

### 10を作れ！【脳トレ】

[App page](https://appshunter.io/ios/app/10/id1092877204)

**Features:** macOS Compatibility

**In-app purchases:** none


### Numera

[App page](https://appshunter.io/ios/app/numera-math-puzzle-game/id6670555101)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 key items | $0.49 | one-time |
| 10 Skip Items | $0.49 | one-time |
| 20 key items | $0.99 | one-time |
| 30 key items | $1.99 | one-time |
| 30 skip items | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |
| 50 hint items | $2.99 | one-time |
| 50 skip items | $2.99 | one-time |
| 80 skip items | $4.99 | one-time |
| 100 skip items | $6.99 | one-time |


## Frequently asked questions

### Is 10を作れ！【脳トレ】 free?

10を作れ！【脳トレ】 is free to download, with no in-app purchases.

### Is Numera free?

Numera is free to download, with in-app purchases available.

### Do 10を作れ！【脳トレ】 or Numera have ads?

Both 10を作れ！【脳トレ】 and Numera show ads.

### Which is updated more often, 10を作れ！【脳トレ】 or Numera?

10を作れ！【脳トレ】 ships an update every 9 months, and Numera every 6 days. Most recently, 10を作れ！【脳トレ】 was updated on September 10, 2026 and Numera on September 20, 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.*