# メモモ vs Math Simply

The clearest difference is price: メモモ at Free against Math Simply's $1.99. メモモ also leads on iOS requirement (15.6 vs 17.0). Math Simply's advantage is ads (none vs shown). On update cadence, in-app purchases and device support there is nothing between them.

メモモ is free to download; Math Simply costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | メモモ | Math Simply |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Paid |
| Size | 17 MB | 4 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ooguchi System](https://appshunter.io/developer/1082203976) | [振捷 周](https://appshunter.io/developer/1526093328) |

## What reviewers say

### メモモ

[App page](https://appshunter.io/ios/app/id1519672943)

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Simply

[App page](https://appshunter.io/ios/app/math-simply/id6468932496)

This app offers a simple, ad-free calculator with a home screen widget for quick calculations. It also includes a comprehensive unit converter and extensive personalization options. Future updates are included with a one-time purchase.

**Highlights:** Home screen widget calculator, Unit converter (100+ units), Cache memory function, User-friendly hints, Global localization, Personalization options, One-time purchase for life

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

**In-app purchases:** none


## Frequently asked questions

### Is メモモ free?

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

### Is Math Simply free?

Math Simply costs $1.99, with no in-app purchases.

### Do メモモ or Math Simply have ads?

メモモ shows ads; Math Simply does not.

### Which is updated more often, メモモ or Math Simply?

メモモ ships an update every 2 months, and Math Simply every 2 months. Most recently, メモモ was updated on November 7, 2026 and Math Simply on November 3, 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.*