# MCalc vs Calculator Pro 100%

The clearest difference is review sentiment: MCalc at 80% against Calculator Pro 100%'s 40%. MCalc also leads on ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | MCalc | Calculator Pro 100% |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **80.0% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 4 MB | 18 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marcin Kessler](https://appshunter.io/developer/1513581304) | [Fabio Giuliani](https://appshunter.io/developer/1333671865) |

## What reviewers say

### MCalc

[App page](https://appshunter.io/ios/app/mcalc/id1528415072)

A simple, expandable calculator with numerous advanced features. It supports 28 operators, 84 functions including trigonometric and scientific ones, and allows users to create custom JavaScript functions. The app offers instant calculation, error highlighting, and a history of previous calculations.

**Highlights:** 28 operators including bitwise, 84 scientific and trigonometric functions, Custom JavaScript function creation, Instant calculation with error highlighting, Unlimited memory slots, Calculation history, 3 customizable themes

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculator Pro 100%

[App page](https://appshunter.io/ios/app/calculator-pro-100/id1609224179)

A practical and functional scientific calculator designed for iPad. It allows users to save and reuse previous calculations, displays partial results, and shows the current expression for clarity. This app is completely free to use.

**Highlights:** Scientific calculator functionality, Save and reuse calculations, Supports various operations, Shows partial results, Displays current expression

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MCalc free?

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

### Is Calculator Pro 100% free?

Calculator Pro 100% is free to download, with no in-app purchases.

### Do MCalc or Calculator Pro 100% have ads?

Calculator Pro 100% shows ads; MCalc does not.

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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.*