---
title: "inst Calculator - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "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 "
---

# inst Calculator — United States
> New design & no ads & simple

![inst Calculator App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/15/ad/90/15ad9027-7790-9e75-a450-50142288949a/AppIcon-0-1x_U007emarketing-0-7-0-sRGB-85-220.png/434x0w.png)

**Developer:** [杨 陈](https://apptail.io/developer/developer-SLT)
**Category:** Utilities
**Rating:** 4.7/5 (6 ratings)
**Price:** Free
**Bundle ID:** YvenChen.inst-Calculator
**Store:** Apple App Store
**Country:** United States
**Version:** 2.1.0 (released 2023-03-09)
**Original Release:** 2022-06-04
**Languages:** English, French, German, Japanese, Korean, Chinese, Spanish

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id1627383430)
**AppTail Page:** [https://apptail.io/app/inst-calculator-xsBc/united-states](https://apptail.io/app/inst-calculator-xsBc/united-states)

## inst Calculator Description
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.

## inst Calculator Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/e5/17/09/e51709ba-e952-0fc9-1305-21a6beeae0e3/15696a87-84d6-435e-91b8-f1b6f0ee34fb_Simulator_Screen_Shot_-_iPhone_14_Plus_-_2022-12-02_at_19.10.19.png/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/f2/13/10/f21310dd-09b9-97da-0f8b-540948e495a0/3519b544-5db8-45c5-9485-02e166930307_Simulator_Screen_Shot_-_iPhone_14_Plus_-_2022-12-02_at_16.17.50.png/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/fa/1c/e7/fa1ce74f-3039-903d-f687-3f84e8b2eee0/8e8cdade-d58f-4228-8389-cd07efd0ec08_Simulator_Screen_Shot_-_iPhone_14_Plus_-_2022-12-02_at_19.11.28.png/1284x2778.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/a4/c6/ac/a4c6ac28-7eff-e68e-034e-eee66a9a20cc/79b44ed4-1f10-40f3-bd81-7bc4f96a0def_Simulator_Screen_Shot_-_iPhone_14_Plus_-_2022-12-02_at_19.14.54.png/1284x2778.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/91/69/20/9169207e-9b02-a293-a64f-1bd679c28c44/d25932b4-9191-4a34-9b8e-835f1d66d6c1_Simulator_Screen_Shot_-_iPhone_14_Plus_-_2022-12-02_at_19.12.24.png/1284x2778.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/55/1f/eb/551feb78-1e14-5226-b6ae-69feb212d4a8/d0e42e2f-7ddc-4d74-834d-95dfc7118509_Simulator_Screen_Shot_-_iPhone_14_Plus_-_2022-12-02_at_19.15.28.png/1284x2778.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/e4/c0/96/e4c096bc-4e3a-8e05-c7e0-484f735b0a87/078b6548-c9fa-4387-81ad-29f4ffd9f122_Simulator_Screen_Shot_-_iPhone_14_Plus_-_2022-12-02_at_16.16.02.png/1284x2778.png)
- [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/3d/9f/ac/3d9facab-7b64-741e-1f84-25a2d3aeb64b/a732aeb9-827b-4769-b0ae-acc0cd6f104b_Simulator_Screen_Shot_-_iPhone_14_Plus_-_2022-12-02_at_16.17.42.png/1284x2778.png)

## inst Calculator Rating Breakdown in United States
- 5 stars: 5 (83%)
- 4 stars: 0 (0%)
- 3 stars: 1 (17%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)

## inst Calculator Reviews in United States

### ***** "良心之作，二次评价"
这么好的软件怎么没人用，真的好用
-- 迚2074, 2024-09-03

### ***** "好用，免费无广，付费免费分离"
对我而言，免费已经完全够用了，非常感谢开发者🙏
-- 子瞻ovo, 2023-10-21

### ***-- "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"
希望后期可添加分号计算
-- Sona男朋友, 2023-07-10

### ***** "good"
good job
-- @zackery, 2022-06-20

[View all inst Calculator reviews and detailed analytics on AppTail](https://apptail.io/account/signup?utm_campaign=ai-crawl&utm_content=reviews)




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## inst Calculator Available In
- [China](https://apptail.io/app/inst-calculator-xsBc/china)
- [United States](https://apptail.io/app/inst-calculator-xsBc/united-states)
- [Hong Kong SAR China](https://apptail.io/app/inst-calculator-xsBc/hong-kong)
- [Taiwan](https://apptail.io/app/inst-calculator-xsBc/taiwan)
- [United Kingdom](https://apptail.io/app/inst-calculator-xsBc/united-kingdom)
- [Italy](https://apptail.io/app/inst-calculator-xsBc/italy)
- [Japan](https://apptail.io/app/inst-calculator-xsBc/japan)
- [Germany](https://apptail.io/app/inst-calculator-xsBc/germany)
- [Brunei](https://apptail.io/app/inst-calculator-xsBc/brunei)
- [Brazil](https://apptail.io/app/inst-calculator-xsBc/brazil)
- [Belarus](https://apptail.io/app/inst-calculator-xsBc/belarus)
- [Canada](https://apptail.io/app/inst-calculator-xsBc/canada)
- [Switzerland](https://apptail.io/app/inst-calculator-xsBc/switzerland)
- [Chile](https://apptail.io/app/inst-calculator-xsBc/chile)
- [Colombia](https://apptail.io/app/inst-calculator-xsBc/colombia)
- [Czechia](https://apptail.io/app/inst-calculator-xsBc/czechia)
- [Denmark](https://apptail.io/app/inst-calculator-xsBc/denmark)
- [Dominican Republic](https://apptail.io/app/inst-calculator-xsBc/dominican-republic)
- [Algeria](https://apptail.io/app/inst-calculator-xsBc/algeria)
- [Ecuador](https://apptail.io/app/inst-calculator-xsBc/ecuador)
- [Estonia](https://apptail.io/app/inst-calculator-xsBc/estonia)
- [Egypt](https://apptail.io/app/inst-calculator-xsBc/egypt)
- [Spain](https://apptail.io/app/inst-calculator-xsBc/spain)
- [Finland](https://apptail.io/app/inst-calculator-xsBc/finland)
- [France](https://apptail.io/app/inst-calculator-xsBc/france)
- [Greece](https://apptail.io/app/inst-calculator-xsBc/greece)
- [Croatia](https://apptail.io/app/inst-calculator-xsBc/croatia)
- [Hungary](https://apptail.io/app/inst-calculator-xsBc/hungary)
- [Indonesia](https://apptail.io/app/inst-calculator-xsBc/indonesia)
- [Ireland](https://apptail.io/app/inst-calculator-xsBc/ireland)
- [Israel](https://apptail.io/app/inst-calculator-xsBc/israel)
- [India](https://apptail.io/app/inst-calculator-xsBc/india)
- [South Korea](https://apptail.io/app/inst-calculator-xsBc/south-korea)
- [Kuwait](https://apptail.io/app/inst-calculator-xsBc/kuwait)
- [Kazakhstan](https://apptail.io/app/inst-calculator-xsBc/kazakhstan)
- [Lebanon](https://apptail.io/app/inst-calculator-xsBc/lebanon)
- [Latvia](https://apptail.io/app/inst-calculator-xsBc/latvia)
- [North Macedonia](https://apptail.io/app/inst-calculator-xsBc/north-macedonia)
- [Macao SAR China](https://apptail.io/app/inst-calculator-xsBc/macau)
- [Mexico](https://apptail.io/app/inst-calculator-xsBc/mexico)
- [Malaysia](https://apptail.io/app/inst-calculator-xsBc/malaysia)
- [Nigeria](https://apptail.io/app/inst-calculator-xsBc/nigeria)
- [Netherlands](https://apptail.io/app/inst-calculator-xsBc/netherlands)
- [Norway](https://apptail.io/app/inst-calculator-xsBc/norway)
- [New Zealand](https://apptail.io/app/inst-calculator-xsBc/new-zealand)
- [Peru](https://apptail.io/app/inst-calculator-xsBc/peru)
- [Philippines](https://apptail.io/app/inst-calculator-xsBc/philippines)
- [Pakistan](https://apptail.io/app/inst-calculator-xsBc/pakistan)
- [Poland](https://apptail.io/app/inst-calculator-xsBc/poland)
- [Portugal](https://apptail.io/app/inst-calculator-xsBc/portugal)
- [Romania](https://apptail.io/app/inst-calculator-xsBc/romania)
- [Russia](https://apptail.io/app/inst-calculator-xsBc/russia)
- [Saudi Arabia](https://apptail.io/app/inst-calculator-xsBc/saudi-arabia)
- [Sweden](https://apptail.io/app/inst-calculator-xsBc/sweden)
- [Singapore](https://apptail.io/app/inst-calculator-xsBc/singapore)
- [Slovenia](https://apptail.io/app/inst-calculator-xsBc/slovenia)
- [Thailand](https://apptail.io/app/inst-calculator-xsBc/thailand)
- [Tunisia](https://apptail.io/app/inst-calculator-xsBc/tunisia)
- [Türkiye](https://apptail.io/app/inst-calculator-xsBc/turkey)
- [Ukraine](https://apptail.io/app/inst-calculator-xsBc/ukraine)
- [Uzbekistan](https://apptail.io/app/inst-calculator-xsBc/uzbekistan)
- [Vietnam](https://apptail.io/app/inst-calculator-xsBc/vietnam)
- [United Arab Emirates](https://apptail.io/app/inst-calculator-xsBc/united-arab-emirates)
- [South Africa](https://apptail.io/app/inst-calculator-xsBc/south-africa)
- [Argentina](https://apptail.io/app/inst-calculator-xsBc/argentina)
- [Austria](https://apptail.io/app/inst-calculator-xsBc/austria)
- [Australia](https://apptail.io/app/inst-calculator-xsBc/australia)
- [Azerbaijan](https://apptail.io/app/inst-calculator-xsBc/azerbaijan)
- [Belgium](https://apptail.io/app/inst-calculator-xsBc/belgium)
- [Bulgaria](https://apptail.io/app/inst-calculator-xsBc/bulgaria)
- [Bahrain](https://apptail.io/app/inst-calculator-xsBc/bahrain)

---

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