# Ranking Addition Subtraction — Math study

> Math study (iPhone/iPad app by HYEMIN LEE.)

- Source: https://appshunter.io/ios/app/ranking-addition-subtraction/id1542483284 (this page in markdown: same URL + `.md`)
- Developer: [HYEMIN LEE](https://appshunter.io/developer/1538510807)
- Category: Education, Games
- Price: Free
- Age rating: 4+
- Requires: iOS 12.0 · 42 MB
- Languages: American English, Japanese, Korean, Chinese (Simplified, China), European Spanish, Vietnamese
- Released: 2020-11-29
- Data updated: 2026-08-19
- User reviews in markdown: https://appshunter.io/ios/app/ranking-addition-subtraction/id1542483284/reviews.md

## What is Ranking Addition Subtraction?

* Learn to add and subtract.
* Earn points equal to the number of lessons you have learned.
* Weekly ranking by score.
* Sends a push alarm when entering the upper ranking.


## Version history (last 3 releases)

### 1.0.2 — 2020-12-01

* Numerical input error correction

### 1.0.1 — 2020-11-30

* UI improvement
* Fixed score initialization error

### 1.0 — 2020-11-29

No release notes.

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## More apps by HYEMIN LEE

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All apps by HYEMIN LEE: https://appshunter.io/developer/1538510807

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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 2026-08-19.*