# CodeFlash vs Chemistry Toolbox

The clearest difference is update cadence: Chemistry Toolbox at daily against CodeFlash's weekly. CodeFlash's advantage is iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CodeFlash sells 1 one-off in-app purchase and Chemistry Toolbox sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

CodeFlash ships an update weekly, Chemistry Toolbox daily. The most recent releases landed on October 17, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | CodeFlash | Chemistry Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Size | 39 MB | 12 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JUN NISHIMOTO](https://appshunter.io/developer/1888076901) | [Florent Breton](https://appshunter.io/developer/1184085186) |

## What reviewers say

### CodeFlash

[App page](https://appshunter.io/ios/app/codeflash-runnable-code-cards/id6761161171)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CodeFlash Pro | $9.99 | one-time |


### Chemistry Toolbox

[App page](https://appshunter.io/ios/app/chemistry-toolbox/id6764052683)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One month subscription | $0.99 | one-time |
| Full app | $4.99 | one-time |


## Frequently asked questions

### Is CodeFlash free?

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

### Is Chemistry Toolbox free?

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

### Do CodeFlash or Chemistry Toolbox have ads?

Neither CodeFlash nor Chemistry Toolbox shows ads.

### Which is updated more often, CodeFlash or Chemistry Toolbox?

CodeFlash ships an update weekly, and Chemistry Toolbox daily. Most recently, CodeFlash was updated on October 17, 2026 and Chemistry Toolbox on October 19, 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.*