# KeyCalc

> KeyCalc (iPhone/iPad app by Seiji Sogawa.)

- Source: https://appshunter.io/ios/app/keycalc/id6444033202 (this page in markdown: same URL + `.md`)
- Developer: [Seiji Sogawa](https://appshunter.io/developer/405890418)
- Category: Utilities, Developer Tools
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 5 MB
- Languages: American English
- Released: 2022-11-22
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/keycalc/id6444033202/reviews.md

## What is KeyCalc?

You can calculate with the same key operation as a calculator.
You can output the calculation result to a memo.
Change the output mode by tapping the display frame.
Extended operator (not available in in-app mode)
++ double
-- subtract display number
** squared
// divide by number displayed

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| scientific calculator | $0.99 | one-time |



## Version history (last 5 releases)

### 2.05 — 2023-07-01

Remove unnecessary buttons

### 2.04 — 2023-06-30

It is now possible to calculate within the app with the same operation as keyboard extention.

### 1.06 — 2022-11-29

bug fix

### 1.05 — 2022-11-29

Correction of screen description

### 1.04 — 2022-11-28

screen upgrade

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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 2026-05-19.*