# Acc Calculator

> Basic calculator with two-line display and paper tape. (iPhone/iPad app by Digital Mind Co., Ltd..)

- Source: https://appshunter.io/ios/app/acc-calculator/id436099737 (this page in markdown: same URL + `.md`)
- Developer: [Digital Mind Co., Ltd.](https://appshunter.io/developer/425334581)
- Category: Utilities, Finance
- Price: $0.99 with in-app purchases
- Rating: 4.70/5 from 132 App Store ratings · 119 written reviews indexed
- Age rating: 4+
- Requires: iOS 9.0 · 11 MB
- Languages: American English
- Released: 2011-05-13
- Data updated: 2026-07-04
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/acc-calculator/id436099737/reviews.md

## What is Acc Calculator?

Acc Calculator offers basic arithmetics with two line display and paper tape. Displays the calculation formula with its result at the same time. Beautiful interface design with big button.

Features:
- Big buttons for ease of use.
- Two line display
- 10 digits
- Paper tape 
- MC, MR, M+, M-, Display current MR value (Lanscape only)
- Percent operation
- Thousands separators (Support multi format x.xxx,xx and x,xxx.xx)
- Rounding Mode (Down, 5/4 and up )
- Decimal Points Mode (0, 1, 2, 3, 4)
- Large size '+' button
- Copy/Paste button
- Sound Setting (on/off)
- Click sound

## Key features

- Two-line display
- Paper tape
- Big buttons
- Thousands separators
- Rounding and decimal modes
- Copy/Paste functionality

## Pricing and in-app purchases

Base price: $0.99.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Basic theme set | $0.99 | one-time |


## What do users think of Acc Calculator?

Overall sentiment: positive

**Pros**

- 👍 Easy to use
- 💡 Keeps a running tape of calculations
- 🚀 Efficient and fast
- 👍 Intuitive interface
- 👍 Reliable and accurate
- 👍 Great for basic everyday needs
- 👍 Helpful for tax season
- 👍 Convenient on iPad

**Cons**

- 🐛 Occasional crashes or freezes
- 🐛 Compatibility issues with certain devices/OS
- 🔋 High battery consumption
- 🔊 Annoying sound effects
- 🔍 Underscore issue on some versions making keys hard to read

**Commonly reported bugs**

- Login screen freezes
- Incompatible with older devices/OS versions
- Crashes when opening or during use

**Most requested features**

- Add dark mode option
- Allow saving/printing of calculation history
- Improve compatibility with external keyboards
- Provide more customization options

## Recent user reviews (10 of 119)

All indexed reviews: https://appshunter.io/ios/app/acc-calculator/id436099737/reviews.md

### 4/5 — Gloriaiirock

*2022-09-07, version 2.9*

Best calculator app so far! 👍🏼

### 5/5 — Best simple calculator for basic needs

*2022-01-31, version 2.9*

Love than it keeps a tab so that if you make a mistake you don’t have to start completely over.

### 2/5 — Slow and laggy after download

*2021-04-20, version 2.9*

It was only $0.99, but free apps aren’t as laggy. Lesson learned.

### 1/5 — Ridiculous

*2021-04-11, version 2.9*

Ridiculous that a calculator app stops playing music so I can hear the out of date sound effects of tapping calf buttons. No settings to disable this.

### 4/5 — Very good calculator

*2020-01-29, version 2.9*

It’s simple, practical, accurate
And much more...

### 5/5 — A Reliable Calculator

*2019-11-24, version 2.9*

I have come to rely on this app for basic math because I can use the tape. I have been using it for years. 

One thing I would like, though. Could I get the URL/URI scheme for it?

### 1/5 — Does not work with iPAD Pro IOS 13.1.2 with Apple keyboard case

*2019-10-08, version 2.9*

Would not purchase again because it doesn’t work with my iPad apple keyboard on iPad Pro

### 5/5 — Great Calculator,It Works!!

*2019-10-03, version 2.9*

This has all the functions I need with the press of one button, without having to use many buttons to get the results I need.

### 5/5 — Best Mobile Device Calculator On IPad

*2019-09-09, version 2.9*

This calculator has all the bells and whistles. If t is ver user friendly with a nice interface. It would be great to have this calculator available for Android devices.

### 5/5 — The Best One!

*2019-09-06, version 2.9*

Having the simulated graphics paper tape gives absolute confidence missing from ordinary digital calculators.

## Frequently asked questions about Acc Calculator

### What does Acc Calculator do?

Acc Calculator is a utility app that provides basic arithmetic functions. It features a two-line display showing both the calculation formula and its result simultaneously, along with a paper tape to review past calculations.

### What are the key features of Acc Calculator?

Key features include a two-line display, a paper tape for calculation history, large buttons for ease of use, thousands separators, customizable rounding and decimal point modes, and copy/paste functionality.

### Is Acc Calculator free to use?

The app is free to download and use with basic functionality. It also offers in-app purchases, which may unlock additional features or remove limitations.

### What kind of calculations can I perform?

You can perform basic arithmetic operations such as addition, subtraction, multiplication, and division. It also supports percentage calculations and has memory functions (MC, MR, M+, M-).

### What devices is Acc Calculator compatible with?

The app is designed for mobile devices and offers features like landscape mode for memory value display. Specific compatibility details regarding operating system versions are typically found in the app store listing.

## Version history (last 5 releases)

### 2.9 — 2018-12-22

Support iOS 12
Updated interface for iPhone X

### 2.8 — 2015-06-30

Improved stability. Fixed crash bugs.

### 2.7 — 2013-11-12

Bug fixes rating button for iOS7

### 2.6 — 2013-10-08

Bug fixed iOS7 rotation.

### 2.5 — 2013-10-01

Support iOS7

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## More apps by Digital Mind Co., Ltd.

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All apps by Digital Mind Co., Ltd.: https://appshunter.io/developer/425334581

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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 2026-07-04.*