# Omega Calculator — Basic & Scientific Calculator

> Intuitive basic and scientific calculator with history, themes, and advanced functions. (iPhone/iPad app by Joseph Rupertus.)

- Source: https://appshunter.io/ios/app/omega-calculator/id1528068503 (this page in markdown: same URL + `.md`)
- Developer: [Joseph Rupertus](https://appshunter.io/developer/1610637143)
- Category: Utilities, Education
- Price: Free with in-app purchases
- Rating: 4.67/5 from 42 App Store ratings · 24 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 9 MB
- Languages: English
- Released: 2020-08-29
- Data updated: 2026-07-06
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/omega-calculator/id1528068503/reviews.md

## What is Omega Calculator?

Welcome to Omega Calculator, a beautiful and intuitive calculator for your iPhone and iPad.

It’s both familiar and powerful. A full-blown scientific calculator when you need it, and a simple arithmetic device when you don’t. A myriad of capabilities to suit your needs, from trivial computations to advanced mathematical functions. Perfect for students and professionals alike, or anyone in need of a high-quality, visually-pleasing calculator, capable of performing any mathematical task you throw its way.

Simplicity meets elegance in the app’s intuitive design. The interface is smooth, fluid, and fun. Buttons are large and colorful, arranged to maximize efficiency and ease of use. The whole expression appears on one line as you input it, and then together with the result when you press enter. Characters are given high-quality mathematical typesetting. You can type in crazy long expressions and it’s a breeze. Results are saved to a history tape for future use, synced to all your devices. And you have the freedom to customize your calculator with different themes. 

We’re committed to providing an ad-free experience for everyone. No one wants to be interrupted by irrelevant ads while trying to use their calculator. That’s why Omega has no outside advertisements. We also don’t collect any data from users. Your calculations and any other information are kept on your device only. 

Unlock even more features with Omega Pro. Available as a single in-app purchase. All 30+ themes, an interactive text pointer for editing the input line, and saving and exporting your past calculations. Variables for storing and recalling values, plugging numbers into expressions, graphing functions, and more advanced operations like summation, derivatives, and integrals. 

It’s time to get the best calculator experience. Download Omega Calculator today.

## Key features

- Basic and scientific calculation modes
- Intuitive and fluid interface
- High-quality mathematical typesetting
- History tape for saved calculations
- Customizable themes
- Advanced functions (Pro version)

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Omega Pro | $6.99 | one-time |


## Recent user reviews (10 of 24)

All indexed reviews: https://appshunter.io/ios/app/omega-calculator/id1528068503/reviews.md

### 5/5 — Best calculator period

*2025-12-30, version 2.2.1*

Back to basics. The app file size is smaller than offloaded default iOS apps. This is a barebones calculator with more useful features than anything else on the market. It’s lightweight and simple, and I use it for work every day. My only fear is it goes away because there’s nothing like it.

### 5/5 — Hate the new free color choices!

*2024-11-20, version 2.2.1*

Update:  Support reached out to me and restored my color choice.  Thanks!  
Recently got a new iPad and put the Omega calculator onto it. I no longer have the wonderful green color I previously had for free. Now it’s a hideous combination of blues and orange. So very sad that the green is now a purchase color and the free options are blue, pinks, or grays. Loved this calculator but now looking for a better looking one. Sooo sad!

### 2/5 — Hate the new free color choices!

*2024-11-12*

Recently got a new iPad and put the Omega calculator onto it.  I no longer have the wonderful green color I previously had for free. Now it’s a hideous combination of blues and orange.  So very sad that the green is now a purchase color and the free options are blue, pinks, or grays.   Loved this calculator but now looking for a better looking one.  Sooo sad!

**Developer response:** Hi,
Sorry about that, please contact support and we can get this sorted out for you!

### 5/5 — It's so good

*2024-03-27, version 2.2.0*

Make pro free

### 5/5 — App size is only 8.8 MB (not GB). No bloat. Perfect.

*2023-11-13*

I never leave reviews, but this app deserves it. In an app world full of bloat where the top rated calculator apps are somehow almost 1 GB in size, this app stands out. I don’t have to worry about excessive (or any) telemetry. I don’t need to worry about this calculator running in the background or what have you. It’s barebones as possible and only 8.8 MB in size, and it does what it’s supposed to. 

You don’t need to pay for this app for its full benefits, but I did just so the app maker doesn’t abandon this project.

### 1/5 — Stop trying to make me buy the pro version

*2023-09-17, version 2.2.0*

A pop up asking if I want to buy the pro version pops up whenever I open the app with no way to disable it.

### 2/5 — Nice calculator but

*2023-08-16, version 2.2.0*

I really like this app and I had bought a $3.99 theme back a while back... but it seems to have been removed and I no longer have access to any of the themes. I’d have to pay $9.99 now!

### 5/5 — Absolutely Love the Graphing Feature.

*2023-06-14, version 2.1.0*

Don’t need to fix my broken TI-84. Brilliant.
- John Seonggggg (Swift Challenge)

### 5/5 — Good app

*2023-06-07, version 2.1.0*

Any way to get the old button layout back? It’s nice having exponents and square root on the main screen

### 5/5 — 1 X 1 = 1

*2022-10-28, version 2.0.1*

2+2=4

## Frequently asked questions about Omega Calculator

### What does Omega Calculator do?

Omega Calculator is a versatile calculator app for iPhone and iPad that handles both basic arithmetic and complex scientific calculations. It offers an intuitive interface, clear mathematical typesetting, and a history of your computations.

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

Key features include a user-friendly design, basic and scientific calculation modes, a history tape that syncs across devices, and customizable themes. The Pro version unlocks advanced functions like variables, graphing, summation, derivatives, and integrals.

### Is Omega Calculator free to use?

The basic version of Omega Calculator is free to use and is ad-free. Advanced features and additional themes are available through a single in-app purchase called Omega Pro.

### What devices is Omega Calculator compatible with?

Omega Calculator is designed for iPhone and iPad devices. It offers a seamless experience across these Apple platforms.

### Who would benefit from using Omega Calculator?

This app is ideal for students who need to perform complex calculations for their studies, professionals who require a reliable tool for their work, and anyone who appreciates a well-designed and efficient calculator for everyday use.

## Version history (last 5 releases)

### 2.2.1 — 2024-05-24

- Calculation history and stored vars now sync with iCloud
- Bug fixes

### 2.2.0 — 2023-07-31

- New app icons with a version for each theme
- Added mixed fraction button and mixed fraction equivalent results
- Added new Monochrome theme set: System, Electric, Boost, Neon
- Improved theme colors
- Added new rounded font to be more consistent with the design language
- Redesigned graph/table/equivalent results screen
- Added new Omega Pro previews 
- Interface and settings changes
- Bug fixes

### 2.1.0 — 2023-06-02

Made some changes to the button layout to make it more efficient to access what you're looking for.

### 2.0.2 — 2022-12-04

• Added all themes to Omega Pro and removed individual purchases
• Menu interface changes
• Minor bug fixes

### 2.0.1 — 2022-10-09

Minor bug fixes

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## More apps by Joseph Rupertus

- [Planetaria: Space Simulator](https://appshunter.io/ios/app/planetaria-space-simulator/id1546887479)
- [Bits & Bobs Collection Tracker](https://appshunter.io/ios/app/bits-and-bobs-collection-tracker/id1554786457)
- [Countdown Creator](https://appshunter.io/ios/app/countdown-creator/id6469441334)

All apps by Joseph Rupertus: https://appshunter.io/developer/1610637143

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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 2026-07-06.*