# inst Calculator — New design & no ads & simple

> Free, ad-free scientific calculator with advanced editing and export features. (iPhone/iPad app by 杨 陈.)

- Source: https://appshunter.io/ios/app/inst-calculator/id1627383430 (this page in markdown: same URL + `.md`)
- Developer: [杨 陈](https://appshunter.io/developer/1610898069)
- Category: Utilities, Productivity
- Price: Free
- Rating: 4.67/5 from 6 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 8 MB
- Languages: English, French, German, Japanese, Korean, Chinese, Spanish, Chinese
- Released: 2022-06-04
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/inst-calculator/id1627383430/reviews.md

## What is inst Calculator?

Completely free and ad-free! The best alternative to System Calculator.

[Main Functions]

- Scientific calculation functions and display in accordance with mathematical format.
- Support mixed input of text and numbers.
- Real-time calculation and editing.

- Real-time summation statistics, select the calculation formula to adjust the summation range.
- Independently select the calculation formula to generate pictures for export and sharing.

- Paste the calculation result directly by dragging.
- Support drag sorting, left swipe to delete.

- Specially adapted to iPad large screen and iPhone landscape screen.
- Keyboard supports sound and haptic feedback.
- Quick toolbar, undo redo and other handy functions.
- Automatic saving of calculation records.
- Brisk and smooth, click-to-go.

Due to the use of some new features, it is recommended to update to the latest iOS system for the best experience.

Any questions or suggestions can be feedback to me at any time through the email (yvenchen@icloud.com), thank you very much!

If you think the calculator is not bad. You can also take a look at the premium version of instPro, your support is also the biggest motivation for my subsequent development.

## Key features

- Scientific calculation functions
- Mixed text and number input
- Real-time calculation and editing
- Formula-based image export
- Drag-and-drop result pasting
- Automatic calculation record saving

## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/inst-calculator/id1627383430/reviews.md

### 5/5 — 良心之作，二次评价

*2024-09-03*

这么好的软件怎么没人用，真的好用

### 5/5 — 好用，免费无广，付费免费分离

*2023-10-21*

对我而言，免费已经完全够用了，非常感谢开发者🙏

### 3/5 — 对于一个经常计算的工程师来说，有没有分号计算影响很大

*2023-07-10*

希望后期可添加分号计算

### 5/5 — good

*2022-06-20*

good job

**Developer response:** Thank you for your support and encouragement! I will continue to optimize and improve it, and I hope it will bring efficiency and convenience to your life.

## Frequently asked questions about inst Calculator

### Does inst Calculator have ads?

No, inst Calculator is completely free and ad-free, offering an uninterrupted user experience.

### What are the main functions of inst Calculator?

inst Calculator offers scientific calculation functions with mathematical format display, supports mixed input of text and numbers, and allows for real-time calculation and editing.

### Can I export calculations from inst Calculator?

Yes, you can independently select calculation formulas to generate pictures for export and sharing, making it easy to share your work.

### Is inst Calculator suitable for iPad?

Yes, inst Calculator is specially adapted to the iPad's large screen, providing an optimized experience for tablet users.

### How often is inst Calculator updated?

The latest version, 2.1.0, was released on March 9, 2023. It is recommended to update to the latest iOS system for the best experience.

### What is the age rating for inst Calculator?

inst Calculator has an age rating of 4+, making it suitable for a wide range of users.

### Does inst Calculator support offline use?

The description does not specify offline functionality, but its core calculation features are likely to function without an internet connection.

### How does inst Calculator compare to the system calculator?

inst Calculator is presented as a superior alternative to the system calculator, offering advanced features like mathematical format display, mixed input, and image export.

## Version history (last 5 releases)

### 2.1.0 — 2023-03-09

- Optimized UI.
- Optimized some code that may cause swipe input to be lost.
- The switching state between the default keyboard and the system keyboard will be retained automatically.

### 2.0.6 — 2023-01-25

- Fixed possible crashes in some cases.
- Optimized the touchable range of the Clear key.

### 2.0.5 — 2023-01-17

- Added a shortcut keypad to pop up when switching to system keyboard. You can choose to turn on or off in the keyboard settings.
- Added clear button.

### 2.0.4 — 2023-01-02

- Added setting option to turn off keyboard shortcuts for a cleaner interface.

### 2.0.3 — 2022-12-20

- Fixed an issue where text and numbers were calculated incorrectly when mixed input in some cases.
- Added sound and haptic feedback for some keys in the keyboard and shortcut toolbar.

## Apps similar to inst Calculator

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Calculator₊](https://appshunter.io/ios/app/calculator/id398129933) | 4.7 (1,719,429) | Free | Utilities |
| [Calculator +](https://appshunter.io/ios/app/calculator-plus/id351815470) | 4.6 (9,595) | Free | Utilities |
| [Xmart Calculator Pro](https://appshunter.io/ios/app/xmart-calculator-pro/id827740598) | 4.4 (152) | $5.99 | Utilities |
| [Basic Calculator: Classic Calc](https://appshunter.io/ios/app/basic-calculator-classic-calc/id430271248) | 4.8 (3,100) | Free | Utilities |
| [Calculator Air: AI Math Solver](https://appshunter.io/ios/app/calculator-air-ai-math-solver/id1173365557) | 4.7 (80,679) | Free | Utilities |
| [Haseba Calculator](https://appshunter.io/ios/app/haseba-calculator/id1121281655) | 4.6 (3,795) | Free | Utilities |

## More apps by 杨 陈

- [instPro](https://appshunter.io/ios/app/instpro/id1610903373)
- [Nixie Clock Widget](https://appshunter.io/ios/app/nixie-clock-widget/id1640858241)
- [KeyCa](https://appshunter.io/ios/app/keyca/id1665523246)

All apps by 杨 陈: https://appshunter.io/developer/1610898069

---

*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 2026-06-10.*