# Useful Periodic Table Lite vs Alchemy

The clearest difference is update cadence: Alchemy at every 6 weeks against Useful Periodic Table Lite's every 25 months. 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.

Useful Periodic Table Lite ships an update every 25 months, Alchemy every 6 weeks. The most recent releases landed on October 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Useful Periodic Table Lite | Alchemy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/useful-periodic-table-lite/id584638498/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 25 MB | 9 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mind Trends LLC](https://appshunter.io/developer/582509215) | [Rajaphan Padithaporn](https://appshunter.io/developer/1529062364) |

## What reviewers say

### Useful Periodic Table Lite

[App page](https://appshunter.io/ios/app/useful-periodic-table-lite/id584638498)

Access a comprehensive periodic table with all elements and their properties. Includes a unit converter, Wikipedia links for detailed information, and a quiz to test your knowledge. Ideal for students and professionals in science and engineering.

**Highlights:** Complete periodic table of elements, Detailed element properties, Integrated unit converter, Links to Wikipedia for further research, Elements quiz for students

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

**In-app purchases:** none


### Alchemy

[App page](https://appshunter.io/ios/app/alchemy-lite/id6762423138)

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

**In-app purchases:** none


## Frequently asked questions

### Is Useful Periodic Table Lite free?

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

### Is Alchemy free?

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

### Do Useful Periodic Table Lite or Alchemy have ads?

Neither Useful Periodic Table Lite nor Alchemy shows ads.

### Which is updated more often, Useful Periodic Table Lite or Alchemy?

Useful Periodic Table Lite ships an update every 25 months, and Alchemy every 6 weeks. Most recently, Useful Periodic Table Lite was updated on October 2, 2026 and Alchemy on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*