# QI Calculator — Visual  Handwriting input

> Visual  Handwriting input (iPhone/iPad app by shouhui qi.)

- Source: https://appshunter.io/ios/app/qi-calculator/id6476379861 (this page in markdown: same URL + `.md`)
- Developer: [shouhui qi](https://appshunter.io/developer/1185710456)
- Category: Utilities, Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 129 MB
- Languages: Arabic, Catalan, Croatian, Czech, Danish, Dutch, English, Finnish, French, German and 23 more
- Released: 2024-01-20
- Data updated: 2026-03-26
- User reviews in markdown: https://appshunter.io/ios/app/qi-calculator/id6476379861/reviews.md

## What is QI Calculator?

1. A calculator that fully conforms to handwriting habits, so you no longer need to master different input methods for calculating data
2. There may be some imperfections, but everyone can provide valuable feedback on the premise of promising not to require fees.
3. Pay attention to the use of the cursor
4. Terms of Use (EULA):https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
5.Privacy Policy:http://www.iphonesir.com/privacypolicy.html

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Theme | $0.99 | one-time |
| Theme Blue Sky | $0.99 | one-time |



## Version history (last 4 releases)

### 2.2.0 — 2024-04-21

Added two paid theme skins

### 2.1.0 — 2024-04-02

1. Added two new free themes
2. Adjusted some UI designs

### 2.0 — 2024-01-29

1.Fix bugs
2.Added App tutorial

### 1.0 — 2024-01-20

No release notes.

## Apps similar to QI Calculator

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Montanari Giulio](https://appshunter.io/ios/app/montanari-giulio/id1480491319) | — | Free | Utilities |
| [KSpark Handwriting Calculator](https://appshunter.io/ios/app/kspark-handwriting-calculator/id1664075802) | — | Free | Utilities |
| [e-Services Sindh](https://appshunter.io/ios/app/e/id6473825875) | — | Free | Utilities |
| [PRO Calculator for iPad](https://appshunter.io/ios/app/pro-calculator-for-ipad/id6444489495) | 4.7 (15) | Free | Utilities |
| [Pervak](https://appshunter.io/ios/app/pervak/id6446907490) | — | Free | Utilities |
| [Modern Scientific Calculator++](https://appshunter.io/ios/app/modern-scientific-calculator/id6449780464) | 2.0 (4) | Free | Utilities |

## More apps by shouhui qi

- [T_Alarm](https://appshunter.io/ios/app/t-alarm/id1185710457)
- [Time Table  for teachers](https://appshunter.io/ios/app/time-table-for-teachers/id1218384433)
- [高考倒计时](https://appshunter.io/ios/app/id1228197150)
- [Motivating](https://appshunter.io/ios/app/motivating/id1230340070)
- [ShakeTower2](https://appshunter.io/ios/app/shaketower2/id1531664392)
- [Memorial album](https://appshunter.io/ios/app/memorial-album/id1579917053)

All apps by shouhui qi: https://appshunter.io/developer/1185710456

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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 2026-03-26.*