# Own calculator — Teach me to count!

> A customizable calculator app that lets users define their own mathematical rules. (iPhone/iPad app by STRICKLAND SOFTWARE ENGINEERING CORPORATION.)

- Source: https://appshunter.io/ios/app/own-calculator/id1127851518 (this page in markdown: same URL + `.md`)
- Developer: [STRICKLAND SOFTWARE ENGINEERING CORPORATION](https://appshunter.io/developer/1638580402)
- Category: Business, Entertainment
- Price: Free with in-app purchases
- Rating: 2.80/5 from 4 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 27 MB
- Languages: American English, Finnish, French (France), German (Germany), Italian, Polish, European Portuguese, Russian, European Spanish
- Released: 2016-06-28
- Data updated: 2026-08-24
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/own-calculator/id1127851518/reviews.md

## What is Own calculator?

We bring to your attention a painfully familiar application, but supplemented with a number of interesting functions. Now the calculator is playing by your rules! By creating a rule according to which 1 + 1 = 3, you can surprise your teacher with an unexpected result.

Create your own rules for any expressions and enjoy the joy of others.

The application supports the following languages: Russian, English, Spanish, Polish, Portuguese, French, German, etc.

## Key features

- Create custom mathematical rules
- Personalize any expression
- Surprise others with unique results
- Multi-language support
- Intuitive interface

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| The ability to create an unlimited number own calculation rules | $0.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/own-calculator/id1127851518/reviews.md

### 1/5 — Ужасное Приложение

*2017-07-17*

Отстой

## Frequently asked questions about Own calculator

### What is Own calculator?

Own calculator is a unique application that allows you to create your own mathematical rules. Instead of standard calculations, you can define how expressions are evaluated, leading to surprising and personalized results.

### How does Own calculator work?

You can set custom rules for any mathematical expression. For example, you could define '1 + 1 = 3' and the app will calculate accordingly, allowing for creative and unexpected outcomes.

### Is Own calculator free to use?

Yes, Own calculator is free to download and use. It also offers in-app purchases for additional features or content.

### What languages does Own calculator support?

Own calculator supports a wide range of languages, including Russian, English, Spanish, Polish, Portuguese, French, and German, making it accessible to a global audience.

### What devices is Own calculator available on?

Own calculator is available on iPhone, iPad, and iPod devices, offering a consistent experience across Apple's mobile ecosystem.

### When was Own calculator last updated?

The latest version of Own calculator was updated on December 19, 2021, indicating recent development and potential bug fixes or feature additions.

### What is the age rating for Own calculator?

Own calculator has an age rating of 4+, making it suitable for young children and general audiences interested in playful math exploration.

### Does Own calculator have ads?

No, Own calculator does not contain advertisements, providing an uninterrupted user experience.

## Version history (last 3 releases)

### 2.0.0 — 2021-12-19

- Changed the design of the application
- Fixed many bugs in the calculator

### 1.1 — 2016-07-07

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

Fix bugs

### 1.0 — 2016-06-28

No release notes.

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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 2026-08-24.*