# Easi Calc for free

> A free, high-quality calculator app with advanced features and a user-friendly interface. (iPhone/iPad app by Doyoung Gwak.)

- Source: https://appshunter.io/ios/app/easi-calc-for-free/id626808258 (this page in markdown: same URL + `.md`)
- Developer: [Doyoung Gwak](https://appshunter.io/developer/1016108444)
- Category: Productivity, Lifestyle
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings · 91 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 33 MB
- Languages: American English, Japanese, Korean, Russian, Chinese (Simplified, China)
- Released: 2013-04-02
- Data updated: 2026-06-10
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/easi-calc-for-free/id626808258/reviews.md

## What is Easi Calc for free?

I’m a pure indie developer.

It's like putting your time and effort into the quality concert. 
Whether you decide to invest or not, it's your choice. 
Just like this, if a life-long quality app is here, would you just pass it by? 
I'm assured, this calculator will devote deeply in your phone.


advantage)
      -clear
      -joyful
      -convenience
      -good developer

feature)
      -support retina
      -support universal (support iPad)
      -add export to text file
      -UI for readability
      -two type of theme
      -intuitive animate effect

utility)
      -multinomial arithmetic operation
      -percentage calculate
      -'00' button
      -if app's terminated, calculation results are remained.

## Key features

- Retina display support
- Universal device support (iPad)
- Export to text file
- Two theme options
- Intuitive animated effects
- Multinomial arithmetic operations
- Calculation results retained

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Full Version | $0.99 | one-time |
| Donate I | $0.99 | one-time |
| Donate II | $9.99 | one-time |


## Recent user reviews (10 of 91)

All indexed reviews: https://appshunter.io/ios/app/easi-calc-for-free/id626808258/reviews.md

### 3/5 — 너무잘쓰고있어요

*2025-11-25, version 5.11*

그런데 복구기능 좀 살려주시면 안될까요
ㅠ ㅠ 쓰다가 잘못 C버튼누르면 다 날아가요

### 5/5 — 개발자님 유료 결제 오류나요

*2025-07-15, version 5.11*

제대로 결제 할 수 있도록 개선 좀 해 주시면 감사하겠습니다

### 1/5 — 쉬운 계산기+  나누기가 안됨

*2022-01-11, version 5.11*

나누기 버튼 자리에 퍼센트가 들어감.
이거 고쳐주세요. 유료 구매했는데 실망입니다.

### 2/5 — 프로버전 구매했는데 멍미

*2017-03-03, version 5.11*

퍼센티지만 있고 나누기는 없네요

### 1/5 — 구매내역

*2017-01-02, version 5.11*

구매내역 삭제해주세요

### 4/5 — 좋아요 이것만 써요!

*2016-10-04, version 5.11*

근데 계산하는 도중에 광고 뜨는건 항상 불편하네요 ㅠㅜ

### 2/5 — 편리하고 좋지만...

*2016-07-24, version 5.11*

계산하려고 어플 들어오면 유료로 구입하라는 광고가 뜹니다. 
이럴꺼면 유료만 만들던가...
무료 사용하는 사람은 걍 냅두지..
잘 사용하다가 구입하라는 유료광고땜에 딱~ 사용하기 싫어지네요.

### 5/5 — 구매내역삭제부탁드려요

*2016-03-06, version 5.11*

삭제부탁드려요

### 3/5 — 구매목록에서 삭제해주세요

*2016-02-18, version 5.11*

삭제해주세요

### 1/5 — 아...돈주고 사라는광고..

*2016-01-17, version 5.11*

계산도중에 돈주고 사라는 광고좀 자제요...

## Frequently asked questions about Easi Calc for free

### What makes Easi Calc stand out from other calculators?

Easi Calc is praised for its clear, joyful, and convenient user experience, featuring intuitive animations and multiple themes. It also offers advanced utilities like exporting to text files and retaining calculation results.

### Does Easi Calc support iPads?

Yes, Easi Calc supports universal devices, meaning it is fully functional and optimized for use on iPads as well as iPhones.

### Can I export my calculations from Easi Calc?

Yes, Easi Calc allows you to export your calculation results to a text file, which can be useful for record-keeping or further analysis.

### How often is Easi Calc updated?

The latest version of Easi Calc is 5.11, which was last updated on October 19, 2015. While updates have not been frequent recently, the app has been stable since its initial release in 2013.

### What is the age rating for Easi Calc?

Easi Calc has an age rating of 4+, making it suitable for a wide range of users, including children and adults.

### Does Easi Calc have ads?

No, Easi Calc does not contain advertisements. The developer has focused on providing a clean and uninterrupted user experience.

### What kind of arithmetic operations does Easi Calc support?

Easi Calc supports multinomial arithmetic operations, percentage calculations, and includes a convenient '00' button for faster input.

### Is Easi Calc available on other platforms besides iOS?

Based on the provided data, Easi Calc is designed for iOS devices, including iPhone and iPod. There is no information indicating availability on Android or other operating systems.

## Version history (last 5 releases)

### 5.11 — 2015-10-19

This app has been updated by Apple to display the Apple Watch app icon.

• Support Chinese

### 4.11 — 2015-09-19

• Add comma
• Fixed divide button issue
• Fixed some issue
• Support iOS9

### 4.00 — 2015-09-06

• Support landscape. (iPhone6, iPhone6+, iPad)
• Add export.
• New intuitive UI.
• Custom layout.
...

### 3.60 — 2014-10-22

- Fix iPad bug.

### 3.53 — 2014-01-24

- Fix iPad bug.

## More apps by Doyoung Gwak

- [Guitar Kit+ for Chord Search, Save and Training](https://appshunter.io/ios/app/guitar-kit-plus-for-chord-search-save-and-training/id791551793)
- [한글시계](https://appshunter.io/ios/app/id923856886)
- [E Widget Calc](https://appshunter.io/ios/app/e-widget-calc/id936371022)
- [Roast Meister](https://appshunter.io/ios/app/roast-meister/id1083926026)
- [Music Tictoc](https://appshunter.io/ios/app/music-tictoc/id1086522380)

All apps by Doyoung Gwak: https://appshunter.io/developer/1016108444

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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 2026-06-10.*