# ISci Periodic Table vs (Open Source) Periodic Table

The clearest difference is device support: ISci Periodic Table at 3 against (Open Source) Periodic Table's 1. On price, update cadence, 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.

ISci Periodic Table ships an update fortnightly, (Open Source) Periodic Table every 2 weeks. The most recent releases landed on June 10, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | ISci Periodic Table | (Open Source) Periodic Table |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Size | 101 MB | 50 MB |
| Requires iOS | **15.2** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Independence Science LLC](https://appshunter.io/developer/1638960007) | [AHMET EMRE DEDELER](https://appshunter.io/developer/1870913629) |

## What reviewers say

### ISci Periodic Table

[App page](https://appshunter.io/ios/app/isci-periodic-table/id1638960005)

**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 ISci Periodic Table free?

ISci Periodic Table 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 ISci Periodic Table or (Open Source) Periodic Table have ads?

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

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

ISci Periodic Table ships an update fortnightly, and (Open Source) Periodic Table every 2 weeks. Most recently, ISci Periodic Table was updated on June 10, 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.*