# Number-10 — Make 10 with 4 numbers

> Make 10 with 4 numbers (iPhone/iPad app by ATSUSHI ONO.)

- Source: https://appshunter.io/ios/app/number-10/id6757134970 (this page in markdown: same URL + `.md`)
- Developer: [ATSUSHI ONO](https://appshunter.io/developer/1864732329)
- Category: Games, Education, Board, Puzzle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 4 MB
- Languages: American English
- Released: 2026-01-02
- Data updated: 2026-09-13
- User reviews in markdown: https://appshunter.io/ios/app/number-10/id6757134970/reviews.md

## What is Number?

Number10 is a brain-training puzzle game where you use four numbers to make 10.

HOW TO PLAY
• Combine 4 numbers using operators (+, −, ×, ÷)
• Complete 5 questions per round
• Score based on remaining time (max 1000 points)

MODES
• Entry Mode: + − only (for beginners)
• Pro Mode: + − × ÷ (full experience)

DIFFICULTY
• Easy: Numbers are fixed, select operators only
• Normal: Arrange numbers in any order
• Hard: Brackets available (Pro only)

FEATURES
• Game Center leaderboards
• Clean, minimalist design
• No account required

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove All Ads | $0.99 | one-time |
| Unlock Pro Mode | $0.99 | one-time |



## Version history (last 2 releases)

### 1.0.1 — 2026-01-04

Bug fix: Fixed button input issues after clearing the game
Improvement: Enhanced play time display in statistics screen
Improvement: Adjusted game difficulty for Pro mode

### 1.0 — 2026-01-02

No release notes.

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## More apps by ATSUSHI ONO

- [シャロトレAI \| AI時代の社労士試験アプリ](https://appshunter.io/ios/app/ai-ai/id6759188842)
- [簿記トレAI【3級】\| AI時代の簿記学習アプリ](https://appshunter.io/ios/app/ai3-ai/id6760242301)

All apps by ATSUSHI ONO: https://appshunter.io/developer/1864732329

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-13.*