# Periodic Table vs SciMaster

The clearest difference is update cadence: Periodic Table at every 3 days against SciMaster's every 3 months. SciMaster's advantage is iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Periodic Table ships an update every 3 days, SciMaster every 3 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Periodic Table | SciMaster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 months |
| Size | 23 MB | 37 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HAYDEN D'ERRICO](https://appshunter.io/developer/1812333086) | [ATOMBEAT TECHNOLOGY PTE. LTD.](https://appshunter.io/developer/1812552907) |

## What reviewers say

### Periodic Table

[App page](https://appshunter.io/ios/app/periodic-table-periodica/id6745459785)

**In-app purchases:** none


### SciMaster

[App page](https://appshunter.io/ios/app/scimaster/id6758187749)

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

**In-app purchases:** none


## Frequently asked questions

### Is Periodic Table free?

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

### Is SciMaster free?

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

### Do Periodic Table or SciMaster have ads?

Neither Periodic Table nor SciMaster shows ads.

### Which is updated more often, Periodic Table or SciMaster?

Periodic Table ships an update every 3 days, and SciMaster every 3 months. Most recently, Periodic Table was updated on October 25, 2026 and SciMaster on October 25, 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.*