# Summator vs Mumu Calculator

The clearest difference is in-app purchases: Summator at none against Mumu Calculator's 1. Summator also leads on ads (none vs shown). Mumu Calculator's advantage is update cadence (every 3 weeks vs every 14 months). On price, device support and iOS requirement there is nothing between them.

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

Summator ships an update every 14 months, Mumu Calculator every 3 weeks. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Summator | Mumu Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mumu-calculator/id6774240639/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 10 MB |
| Requires iOS | 17.2 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Dmitri Roudakov](https://appshunter.io/developer/448176301) | [楠 李](https://appshunter.io/developer/6773365034) |

## What reviewers say

### Summator

[App page](https://appshunter.io/ios/app/summator/id1193480396)

This utility app functions as a specialized calculator for tracking expenses. It allows users to add items and their values, storing both the running total and the individual entries. This makes it easier to manage costs and correct mistakes compared to a standard calculator.

**Highlights:** Itemized expense tracking, Stores running total, Remembers entered numbers, Easy correction of entries, Basic calculator function

**Features:** macOS Compatibility

**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 Summator free?

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

### Is Mumu Calculator free?

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

### Do Summator or Mumu Calculator have ads?

Mumu Calculator shows ads; Summator does not.

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

Summator ships an update every 14 months, and Mumu Calculator every 3 weeks. Most recently, Summator was updated on October 15, 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.*