# Menma vs (Open Source) Periodic Table

The clearest difference is update cadence: (Open Source) Periodic Table at fortnightly against Menma's every 7 months. Menma's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

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

Menma ships an update every 7 months, (Open Source) Periodic Table fortnightly. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Menma | (Open Source) Periodic Table |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Size | 20 MB | 47 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shuhei Takezawa](https://appshunter.io/developer/1602827505) | [AHMET EMRE DEDELER](https://appshunter.io/developer/1870913629) |

## What reviewers say

### Menma

[App page](https://appshunter.io/ios/app/menma-memory-aid/id6502872221)

**Features:** macOS Compatibility

**In-app purchases:** none


### (Open Source) Periodic Table

[App page](https://appshunter.io/ios/app/open-source-periodic-table/id6781818611)

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

**In-app purchases:** none


## Frequently asked questions

### Is Menma free?

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

### Is (Open Source) Periodic Table free?

(Open Source) Periodic Table is free to download, with no in-app purchases.

### Do Menma or (Open Source) Periodic Table have ads?

Neither Menma nor (Open Source) Periodic Table shows ads.

### Which is updated more often, Menma or (Open Source) Periodic Table?

Menma ships an update every 7 months, and (Open Source) Periodic Table fortnightly. Most recently, Menma was updated on October 27, 2026 and (Open Source) Periodic Table on October 31, 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.*