# Kemistri vs Periodic Table Master

The clearest difference is update cadence: Periodic Table Master at weekly against Kemistri's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Kemistri sells 4 in-app purchases, starting at $3.99 per month and Periodic Table Master sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Kemistri ships an update every 5 weeks, Periodic Table Master weekly. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Kemistri | Periodic Table Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/kemistri/id6757977295/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Size | 45 MB | 56 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [EdBetter Limited](https://appshunter.io/developer/1810500957) | [Gary Watson](https://appshunter.io/developer/1536272323) |

## What reviewers say

### Kemistri

[App page](https://appshunter.io/ios/app/kemistri/id6757977295)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access Pass | $3.99 | per month |
| Quarterly Access Pass | $9.99 | per 3 months |
| Semiannual Access Pass | $17.99 | per 6 months |
| Annual Access Pass | $24.99 | per year |


### 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 |


## Frequently asked questions

### Is Kemistri free?

Kemistri is free to download, with in-app purchases available.

### Is Periodic Table Master free?

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

### Do Kemistri or Periodic Table Master have ads?

Neither Kemistri nor Periodic Table Master shows ads.

### Which is updated more often, Kemistri or Periodic Table Master?

Kemistri ships an update every 5 weeks, and Periodic Table Master weekly. Most recently, Kemistri was updated on October 24, 2026 and Periodic Table Master on October 12, 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.*