# Calc 2M vs M2 Calculator

The clearest difference is in-app purchases: M2 Calculator at none against Calc 2M's 7. Calc 2M's advantage is update cadence (monthly vs every 7 months) and ratings volume (27 vs 4). On price, rating, ads and device support there is nothing between them.

Both are free to download. Calc 2M sells 7 one-off in-app purchases. M2 Calculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Calc 2M against 5.0 for M2 Calculator. That said, the two scores are not equally well evidenced: Calc 2M has 27 ratings behind it against 4, so its average is the more settled of the two.

Calc 2M ships an update monthly, M2 Calculator every 7 months. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Calc 2M | M2 Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (27 ratings)](https://appshunter.io/ios/app/calc-2m/id492563960/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/m2-calculator/id1035183544/reviews)** |
| Number of ratings | **27** | 4 |
| Positive reviews | 81.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 7 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 48 MB | 4 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [inkOfPixel srl](https://appshunter.io/developer/492563963) | [Darren Alexander](https://appshunter.io/developer/946616105) |

## 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


### M2 Calculator

[App page](https://appshunter.io/ios/app/m2-calculator/id1035183544)

Calculate the number of M2 Processors needed for LED video screens based on tile type, frame rate, and color depth. This tool helps determine the total tiles and ports required for a given setup, updated for the SX40 Processor.

**Highlights:** Calculate M2 Processor requirements, Select LED tile types, Set frame rate and color depth, Determine tiles per port, Calculate total tiles, Supports SX40 Processor

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

**In-app purchases:** none


## Frequently asked questions

### Is Calc 2M free?

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

### Is M2 Calculator free?

M2 Calculator is free to download, with no in-app purchases.

### Which has better reviews, Calc 2M or M2 Calculator?

M2 Calculator is rated higher. Calc 2M averages 4.9 out of 5 from 27 ratings, while M2 Calculator averages 5.0 from 4 ratings.

### Do Calc 2M or M2 Calculator have ads?

Neither Calc 2M nor M2 Calculator shows ads.

### Which is updated more often, Calc 2M or M2 Calculator?

Calc 2M ships an update monthly, and M2 Calculator every 7 months. Most recently, Calc 2M was updated on October 14, 2026 and M2 Calculator on October 10, 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.*