# Omega Calculator vs Calculation!

The clearest difference is in-app purchases: Calculation! at none against Omega Calculator's 1. Calculation! also leads on update cadence (every 10 days vs every 2 months) and rating (5.0 vs 4.7). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Omega Calculator sells 1 one-off in-app purchase. Calculation! asks for nothing beyond the download.

Calculation! holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 42 and 88 respectively. Written reviews point the same way: 83% of Omega Calculator's written reviews are positive against 100% of Calculation!'s.

Omega Calculator ships an update every 2 months, Calculation! every 10 days. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Omega Calculator | Calculation! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (42 ratings)](https://appshunter.io/ios/app/omega-calculator/id1528068503/reviews) | **[5.0 (88 ratings)](https://appshunter.io/ios/app/calculation/id1574468544/reviews)** |
| Number of ratings | 42 | **88** |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 9 MB | 0 MB |
| Requires iOS | 15.0 | **14.3** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Rupertus](https://appshunter.io/developer/1610637143) | [Paul Koomey](https://appshunter.io/developer/1574468546) |

## What reviewers say

### Omega Calculator

[App page](https://appshunter.io/ios/app/omega-calculator/id1528068503)

A beautiful and intuitive calculator app for iPhone and iPad, offering both basic arithmetic and advanced scientific functions. It features a smooth, fluid interface with large, colorful buttons and high-quality mathematical typesetting. Results are saved to a history tape and synced across devices, with customizable themes available.

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

**Features:** macOS Compatibility

**In-app purchases (1)**

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


### Calculation!

[App page](https://appshunter.io/ios/app/calculation/id1574468544)

This app provides a user-friendly scientific calculator with a comprehensive expression history. Easily copy past calculations and results with a simple double-tap. It includes advanced functions for complex mathematical needs.

**Highlights:** Copyable expression history, Double tap to copy, Ans button, Trigonometric functions, Degree and Radian modes, Share functionality

**In-app purchases:** none

**What reviewers like**

- 👍 User-friendly interface
- 🚀 Fast loading and operation
- ✅ Simple and clean design
- 🚫 No ads
- 💡 Clear display of calculations

**What reviewers complain about**

- 🤔 Limited operations compared to default
- ❌ Cannot copy from outside the app
- ⚠️ Overflow error handling could improve

**Requested features**

- Add more operations to match default Apple calculator
- Implement copy paste from outside the app
- Add dark mode
- iPad and macOS versions
- Make hitting enter on a blank line re-enter previous input


## Frequently asked questions

### Is Omega Calculator free?

Omega Calculator is free to download, with in-app purchases available.

### Is Calculation! free?

Calculation! is free to download, with no in-app purchases.

### Which has better reviews, Omega Calculator or Calculation!?

Calculation! is rated higher. Omega Calculator averages 4.7 out of 5 from 42 ratings, while Calculation! averages 5.0 from 88 ratings.

### Do Omega Calculator or Calculation! have ads?

Neither Omega Calculator nor Calculation! shows ads.

### Which is updated more often, Omega Calculator or Calculation!?

Omega Calculator ships an update every 2 months, and Calculation! every 10 days. Most recently, Omega Calculator was updated on October 6, 2026 and Calculation! on October 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*