# Calc 2M vs GraphCalcPro2Go

The clearest difference is rating: Calc 2M at 4.9 against GraphCalcPro2Go's 4.6. Calc 2M also leads on update cadence (monthly vs every 3 months) and iOS requirement (9.0 vs 18.6). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Calc 2M sells 7 one-off in-app purchases and GraphCalcPro2Go 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 4.6. Both are backed by a comparable volume of ratings — 27 and 40 respectively. Written reviews point the same way: 81% of Calc 2M's written reviews are positive against 80% of GraphCalcPro2Go's.

Calc 2M ships an update monthly, GraphCalcPro2Go every 3 months. The most recent releases landed on September 19, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Calc 2M | GraphCalcPro2Go |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (27 ratings)](https://appshunter.io/ios/app/calc-2m/id492563960/reviews)** | [4.6 (40 ratings)](https://appshunter.io/ios/app/graphcalcpro2go/id1091870099/reviews) |
| Number of ratings | 27 | **40** |
| Positive reviews | **81.0% of reviews** | 80.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 48 MB | 9 MB |
| Requires iOS | **9.0** | 18.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [inkOfPixel srl](https://appshunter.io/developer/492563963) | [Starware Software LLC](https://appshunter.io/developer/988250389) |

## 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


### GraphCalcPro2Go

[App page](https://appshunter.io/ios/app/graphcalcpro2go/id1091870099)

This advanced scientific calculator offers ultra-high precision and a wide range of functions, replicating expensive handheld devices with added iOS capabilities. It supports both standard and RPN modes, includes built-in constants, and syncs across devices via iCloud. Users can also create graphs and share calculations.

**Highlights:** Ultra high precision and range, Standard (in-fix) and RPN modes, Built-in constants and unit conversions, iCloud sync across devices, Create and share graphs, Apple Watch compatibility

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | one-time |


## Frequently asked questions

### Is Calc 2M free?

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

### Is GraphCalcPro2Go free?

GraphCalcPro2Go is free to download, with in-app purchases available.

### Which has better reviews, Calc 2M or GraphCalcPro2Go?

Calc 2M is rated higher. Calc 2M averages 4.9 out of 5 from 27 ratings, while GraphCalcPro2Go averages 4.6 from 40 ratings.

### Do Calc 2M or GraphCalcPro2Go have ads?

Neither Calc 2M nor GraphCalcPro2Go shows ads.

### Which is updated more often, Calc 2M or GraphCalcPro2Go?

Calc 2M ships an update monthly, and GraphCalcPro2Go every 3 months. Most recently, Calc 2M was updated on September 19, 2026 and GraphCalcPro2Go on June 1, 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.*