# Formula Conversion vs Palette for Chemical Formula

The clearest difference is in-app purchases: Palette for Chemical Formula at none against Formula Conversion's 1. Palette for Chemical Formula also leads on update cadence (every 3 days vs every 26 months). Formula Conversion's advantage is ads (none vs shown) and iOS requirement (14.1 vs 16.0). On price and device support there is nothing between them.

Both are free to download. Formula Conversion sells 1 one-off in-app purchase. Palette for Chemical Formula asks for nothing beyond the download.

Formula Conversion ships an update every 26 months, Palette for Chemical Formula every 3 days. The most recent releases landed on October 27, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Formula Conversion | Palette for Chemical Formula |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 26 months | **Every 3 days** |
| Monetization | — | Ad-supported |
| Size | 2 MB | 3 MB |
| Requires iOS | **14.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Janek Soomets](https://appshunter.io/developer/1315295062) | [Megumi Hattori](https://appshunter.io/developer/1731553046) |

## What reviewers say

### Formula Conversion

[App page](https://appshunter.io/ios/app/formula-conversion/id1586539965)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade Formula Conversion | $3.99 | one-time |


### Palette for Chemical Formula

[App page](https://appshunter.io/ios/app/palette-for-chemical-formula/id6502875828)

Easily create and copy chemical formulas for various educational and professional settings. This tool supports elements, compounds, and molecular structures, making it ideal for students and researchers.

**Highlights:** Chemical formula creation, Copy to clipboard, Supports elements and compounds, Suitable for all education levels, Useful for research and business

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

**In-app purchases:** none


## Frequently asked questions

### Is Formula Conversion free?

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

### Is Palette for Chemical Formula free?

Palette for Chemical Formula is free to download, with no in-app purchases.

### Do Formula Conversion or Palette for Chemical Formula have ads?

Palette for Chemical Formula shows ads; Formula Conversion does not.

### Which is updated more often, Formula Conversion or Palette for Chemical Formula?

Formula Conversion ships an update every 26 months, and Palette for Chemical Formula every 3 days. Most recently, Formula Conversion was updated on October 27, 2026 and Palette for Chemical Formula on October 20, 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.*