# Calculator83 vs Omega Calculator

The clearest difference is in-app purchases: Calculator83 at none against Omega Calculator's 1. Calculator83 also leads on rating (5.0 vs 4.7). Omega Calculator's advantage is update cadence (every 2 months vs every 20 months) and review sentiment (83% vs 63%). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Omega Calculator sells 1 one-off in-app purchase. Calculator83 asks for nothing beyond the download.

Calculator83 holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Omega Calculator has 44 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 63% of Calculator83's written reviews are positive against 83% of Omega Calculator's, so the app with the better star average is not the one people write more warmly about.

Calculator83 ships an update every 20 months, Omega Calculator every 2 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Calculator83 | Omega Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/calculator83/id891194491/reviews)** | [4.7 (44 ratings)](https://appshunter.io/ios/app/omega-calculator/id1528068503/reviews) |
| Number of ratings | 4 | **44** |
| Positive reviews | 62.5% of reviews | **83.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 10 MB | 9 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lyker Labs LLC](https://appshunter.io/developer/891194494) | [Joseph Rupertus](https://appshunter.io/developer/1610637143) |

## What reviewers say

### Calculator83

[App page](https://appshunter.io/ios/app/calculator83/id891194491)

A minimalist calculator app focused on simplicity and a clean workflow. It offers both basic and scientific modes, allowing users to perform calculations without complex settings. Get started quickly with this straightforward tool.

**Highlights:** Minimalist design, Clean workflow, Basic mode, Scientific mode, Easy to use

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Calculator83 free?

Calculator83 is free to download, with no in-app purchases.

### Is Omega Calculator free?

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

### Which has better reviews, Calculator83 or Omega Calculator?

Calculator83 is rated higher. Calculator83 averages 5.0 out of 5 from 4 ratings, while Omega Calculator averages 4.7 from 44 ratings.

### Do Calculator83 or Omega Calculator have ads?

Neither Calculator83 nor Omega Calculator shows ads.

### Which is updated more often, Calculator83 or Omega Calculator?

Calculator83 ships an update every 20 months, and Omega Calculator every 2 months. Most recently, Calculator83 was updated on October 29, 2026 and Omega Calculator on October 24, 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.*