# Fast Counter - With One Tap — Customizable adder-subtractor

> Customizable adder-subtractor (iPhone/iPad app by 瑶 肖.)

- Source: https://appshunter.io/ios/app/fast-counter-with-one-tap/id1618187138 (this page in markdown: same URL + `.md`)
- Developer: [瑶 肖](https://appshunter.io/developer/1036033056)
- Category: Utilities, Productivity
- Price: $0.99
- Age rating: 4+
- Requires: iOS 15.0 · 3 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2022-04-10
- Data updated: 2026-09-01
- User reviews in markdown: https://appshunter.io/ios/app/fast-counter-with-one-tap/id1618187138/reviews.md

## What is Fast Counter?

You can add and edit buttons, it supports decimal and super large numbers. The calculation history can be saved, and light/dark mode is supported.


## Version history (last 3 releases)

### 1.2 — 2026-01-20

1. New animation.
2. Detail optimization.

### 1.1 — 2022-07-02

1. Detail optimization.

### 1.0 — 2022-04-10

No release notes.

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## More apps by 瑶 肖

- [电工助手](https://appshunter.io/ios/app/id1044537172)
- [Pinyin Comparison](https://appshunter.io/ios/app/pinyin-comparison/id1086816660)
- [Hypnotic Ball](https://appshunter.io/ios/app/hypnotic-ball/id1560602847)
- [Quit The Game](https://appshunter.io/ios/app/quit-the-game/id1563189154)
- [Feel The Odds](https://appshunter.io/ios/app/feel-the-odds/id1565640087)
- [Reaction Speed Test&Train](https://appshunter.io/ios/app/reaction-speed-test-and-train/id1571555742)

All apps by 瑶 肖: https://appshunter.io/developer/1036033056

## Related topics

[pocket geiger counter lite](https://appshunter.io/ios/topics/pocket-geiger-counter-lite)

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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 2026-09-01.*