# Calc 2M vs Omega Calculator

The clearest difference is rating: Calc 2M at 4.9 against Omega Calculator's 4.7. Calc 2M also leads on iOS requirement (9.0 vs 15.0). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Calc 2M sells 7 one-off in-app purchases and Omega Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Calc 2M holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 28 and 44 respectively. Written reviews complicate that: 81% of Calc 2M'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.

Calc 2M ships an update monthly, Omega Calculator every 2 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Calc 2M | Omega Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (28 ratings)](https://appshunter.io/ios/app/calc-2m/id492563960/reviews)** | [4.7 (44 ratings)](https://appshunter.io/ios/app/omega-calculator/id1528068503/reviews) |
| Number of ratings | 28 | **44** |
| Positive reviews | 81.0% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 48 MB | 9 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [inkOfPixel srl](https://appshunter.io/developer/492563963) | [Joseph Rupertus](https://appshunter.io/developer/1610637143) |

## What reviewers say

### Calc 2M

[App page](https://appshunter.io/ios/app/calc-2m/id492563960)

This advanced calculator app offers a clean interface with both standard and pro features. It includes a history of calculations, drag-and-drop functionality, customizable themes, and the ability to export results. Ideal for students, engineers, and scientists needing precise calculations on the go.

**Highlights:** Calculation history, Drag and drop input, Customizable themes, Export calculations, Widget for quick access, Editable expressions, Advanced functions

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ninja Theme | $0.99 | one-time |
| Sunrise Theme | $0.99 | one-time |
| Dev Theme | $0.99 | one-time |
| Vintage Theme | $0.99 | one-time |
| Light theme | $0.99 | one-time |
| Clarity Theme | $0.99 | one-time |
| Theme Pack | $1.99 | one-time |

**What reviewers like**

- 👍 Clean, intuitive, and user-friendly interface
- 🧮 Powerful scientific calculator with extensive functions
- 📜 Accessible calculation history that persists across sessions
- ✏️ Ability to edit and reuse previous expressions
- 🎨 Beautiful, aesthetically pleasing design

**What reviewers complain about**

- 🐛 App crashes on startup (older versions)
- 🔤 Font size and style options are limited
- 📱 iPad version is laggy and poorly optimized
- ❌ Error handling requires restarting from beginning
- 🎮 Swiping gestures sometimes trigger unintended functions

**Reported bugs**

- App crashes on startup
- Trigonometric functions produce incorrect results
- Combination function (comb) returns wrong values
- Sin and Tan functions malfunction
- Swiping causes unintended function entry

**Requested features**

- Automatic bracket completion
- Fraction to decimal converter and vice versa
- Apple Watch app support
- More font options and customizable font sizes
- RPN (Reverse Polish Notation) mode


### 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 Calc 2M free?

Calc 2M is free to download, with in-app purchases available.

### Is Omega Calculator free?

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

### Which has better reviews, Calc 2M or Omega Calculator?

Calc 2M is rated higher. Calc 2M averages 4.9 out of 5 from 28 ratings, while Omega Calculator averages 4.7 from 44 ratings.

### Do Calc 2M or Omega Calculator have ads?

Neither Calc 2M nor Omega Calculator shows ads.

### Which is updated more often, Calc 2M or Omega Calculator?

Calc 2M ships an update monthly, and Omega Calculator every 2 months. Most recently, Calc 2M was updated on October 23, 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.*