# Periodic Table Master vs (Open Source) Periodic Table

The clearest difference is in-app purchases: (Open Source) Periodic Table at none against Periodic Table Master's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Periodic Table Master sells 1 one-off in-app purchase. (Open Source) Periodic Table asks for nothing beyond the download.

Periodic Table Master ships an update weekly, (Open Source) Periodic Table every 2 weeks. The most recent releases landed on September 13, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Periodic Table Master | (Open Source) Periodic Table |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 56 MB | 50 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Gary Watson](https://appshunter.io/developer/1536272323) | [AHMET EMRE DEDELER](https://appshunter.io/developer/1870913629) |

## What reviewers say

### Periodic Table Master

[App page](https://appshunter.io/ios/app/periodic-table-master/id6770929240)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip Jar | $0.99 | one-time |


### (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 Periodic Table Master free?

Periodic Table Master is free to download, with in-app purchases available.

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

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

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

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

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

Periodic Table Master ships an update weekly, and (Open Source) Periodic Table every 2 weeks. Most recently, Periodic Table Master was updated on September 13, 2026 and (Open Source) Periodic Table on September 18, 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.*