# Happy24

> Happy24 (iPhone/iPad app by Chengdu WangDianTong Tech. Services Co.,Ltd.)

- Source: https://appshunter.io/ios/app/happy24/id1533922814 (this page in markdown: same URL + `.md`)
- Developer: [Chengdu WangDianTong Tech. Services Co.,Ltd](https://appshunter.io/developer/443894324)
- Category: Education, Entertainment
- Price: Free
- Age rating: 4+
- Requires: iOS 12.0 · 16 MB
- Languages: English, Chinese, Chinese
- Released: 2020-09-30
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/happy24/id1533922814/reviews.md

## What is Happy24?

Happy24 will randomly give 4 numbers, and the user will form a formula by adding, subtracting, multiplying and dividing to make the result equal to 24; using mental arithmetic to exercise the user's mental arithmetic ability and develop intelligence, you can try in fragmented time.


## Version history (last 5 releases)

### 2.6 — 2021-10-11

Solve problems when skipping questions.

### 2.5 — 2021-08-18

Fix little bugs.

### 2.4.3 — 2021-04-15

Fix Bug.

### 2.4.2 — 2021-04-13

Fix Bug.

### 2.4.1 — 2021-01-19

Fix Bug.

## Apps similar to Happy24

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Thoughtbubble Math](https://appshunter.io/ios/app/thoughtbubble-math/id675237917) | — | Free | Education |
| [Mathtopia+](https://appshunter.io/ios/app/mathtopia-plus/id583383121) | 2.3 (3) | $3.99 | Education |
| [Ang Alpabetong Pilipino Free](https://appshunter.io/ios/app/ang-alpabetong-pilipino-free/id873914497) | 5.0 (1) | Free | Education |
| [Dear Aunt Sally](https://appshunter.io/ios/app/dear-aunt-sally/id1577087345) | 4.7 (3) | Free | Education |
| [Match-Up Math](https://appshunter.io/ios/app/match-up-math/id333229962) | 5.0 (1) | $2.99 | Education |
| [Math App - Times Table](https://appshunter.io/ios/app/math-app-times-table/id390099098) | 3.3 (3) | $1.99 | Education |

## More apps by Chengdu WangDianTong Tech. Services Co.,Ltd

- [KeyTime - Manage your schedule](https://appshunter.io/ios/app/keytime-manage-your-schedule/id590347076)
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- [MarkCal](https://appshunter.io/ios/app/markcal/id1438389568)
- [Total-Money](https://appshunter.io/ios/app/total-money/id1438476405)
- [iReminder - Daily alarm clock](https://appshunter.io/ios/app/ireminder-daily-alarm-clock/id1444592299)
- [生活记数](https://appshunter.io/ios/app/id1449563638)

All apps by Chengdu WangDianTong Tech. Services Co.,Ltd: https://appshunter.io/developer/443894324

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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 2026-05-19.*