# interCalculator vs Mumu Calculator

The clearest difference is in-app purchases: interCalculator at none against Mumu Calculator's 1. interCalculator also leads on ads (none vs shown) and device support (4 vs 2). Mumu Calculator's advantage is update cadence (every 3 weeks vs every 18 months). On price, rating, ratings volume and iOS requirement there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for interCalculator against 5.0 for Mumu Calculator. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

interCalculator ships an update every 18 months, Mumu Calculator every 3 weeks. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | interCalculator | Mumu Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/intercalculator/id1550864236/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/mumu-calculator/id6774240639/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 18 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 54 MB | 10 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [interfinity Limited](https://appshunter.io/developer/1774724445) | [楠 李](https://appshunter.io/developer/6773365034) |

## What reviewers say

### interCalculator

[App page](https://appshunter.io/ios/app/intercalculator/id1550864236)

This utility app offers real-time calculations with optional haptic feedback and a dark mode. It supports unit conversions, number base conversions, and finding divisors for integers.

**Highlights:** Real-time results, Haptic feedback, Number base conversion, Divisor finder, Dark Mode, Customizable color scheme

**In-app purchases:** none


### Mumu Calculator

[App page](https://appshunter.io/ios/app/mumu-calculator/id6774240639)

This app allows you to edit past calculations, making it easy to correct mistakes or continue complex math problems. It offers features like adding notes, tracking subtotals, and saving archives for organized financial management and everyday use.

**Highlights:** Edit past calculations with precise cursor placement, Add notes to calculation groups, Track subtotals, Save and reopen calculation archives, Restore deleted records, Copy selected records

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro | $2.99 | one-time |


## Frequently asked questions

### Is interCalculator free?

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

### Is Mumu Calculator free?

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

### Which has better reviews, interCalculator or Mumu Calculator?

interCalculator and Mumu Calculator are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do interCalculator or Mumu Calculator have ads?

Mumu Calculator shows ads; interCalculator does not.

### Which is updated more often, interCalculator or Mumu Calculator?

interCalculator ships an update every 18 months, and Mumu Calculator every 3 weeks. Most recently, interCalculator was updated on October 2, 2026 and Mumu Calculator on October 14, 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.*