# Octal

> Octal (iPhone/iPad app by Amrit Duwal.)

- Source: https://appshunter.io/ios/app/octal/id1597563932 (this page in markdown: same URL + `.md`)
- Developer: [Amrit Duwal](https://appshunter.io/developer/1507795021)
- Category: Education, Productivity
- Price: Free with in-app purchases
- Age rating: 17+
- Requires: iOS 13.0 · 139 MB
- Languages: American English
- Released: 2022-01-17
- Data updated: 2026-03-03
- User reviews in markdown: https://appshunter.io/ios/app/octal/id1597563932/reviews.md

## What is Octal?

Octal calculator allow you to multiply, addition, subtraction and division.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| No Ads | $0.99 | one-time |



## Version history (last 5 releases)

### 2.0 — 2026-01-21

- Optimization
- European ads regulation implemented

### 1.2 — 2025-12-19

- Optimization

### 1.1.1 — 2022-11-18

- Optimization

### 1.1.0 — 2022-02-03

- bug fixes

### 1.0.0 — 2022-01-17

No release notes.

## Apps similar to Octal

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Find Prime Num](https://appshunter.io/ios/app/find-prime-num/id1505409395) | 5.0 (1) | Free | Education |
| [Uptick (UPT)](https://appshunter.io/ios/app/uptick-upt/id6446417413) | — | Free | Education |
| [The Base Converter](https://appshunter.io/ios/app/the-base-converter/id6743086704) | — | Free | Education |
| [Pro Roman Numbers](https://appshunter.io/ios/app/pro-roman-numbers/id1549464426) | — | Free | Education |
| [Time Study Engineer](https://appshunter.io/ios/app/time-study-engineer/id6740770124) | 5.0 (3) | Free | Education |
| [Romanian Keyboard: Translator](https://appshunter.io/ios/app/romanian-keyboard/id1614584185) | — | Free | Education |

## More apps by Amrit Duwal

- [Shop With Them](https://appshunter.io/ios/app/shop-with-them/id1507795022)
- [Facts That Matter](https://appshunter.io/ios/app/facts-that-matter/id1511275329)
- [Laughable Jokes](https://appshunter.io/ios/app/laughable-jokes/id1514925796)
- [Hexadecimal](https://appshunter.io/ios/app/hexadecimal/id1572829825)
- [Nought N Cross](https://appshunter.io/ios/app/nought-n-cross/id1575692218)

All apps by Amrit Duwal: https://appshunter.io/developer/1507795021

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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 2026-03-03.*