# Basic Calc Plus vs Mumu Calculator

The clearest difference is in-app purchases: Basic Calc Plus at none against Mumu Calculator's 1. Mumu Calculator's advantage is update cadence (every 3 weeks vs every 17 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Basic Calc Plus ships an update every 17 months, Mumu Calculator every 3 weeks. The most recent releases landed on September 17, 2026 and August 29, 2026 respectively.

## The numbers

| Metric | Basic Calc Plus | Mumu Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mumu-calculator/id6774240639/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 17 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 10 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Osamu Ishigami](https://appshunter.io/developer/901265058) | [楠 李](https://appshunter.io/developer/6773365034) |

## What reviewers say

### Basic Calc Plus

[App page](https://appshunter.io/ios/app/basic-calc-plus/id926102502)

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

**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 Basic Calc Plus free?

Basic Calc Plus 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 Basic Calc Plus or Mumu Calculator have ads?

Both Basic Calc Plus and Mumu Calculator show ads.

### Which is updated more often, Basic Calc Plus or Mumu Calculator?

Basic Calc Plus ships an update every 17 months, and Mumu Calculator every 3 weeks. Most recently, Basic Calc Plus was updated on September 17, 2026 and Mumu Calculator on August 29, 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.*