# WhenDo vs Coding for Kids

The clearest difference is in-app purchases: WhenDo at none against Coding for Kids's 3. WhenDo also leads on iOS requirement (8.1 vs 15.1). Coding for Kids's advantage is device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. Coding for Kids sells 3 in-app purchases, starting at $4.99 per 7 days. WhenDo asks for nothing beyond the download.

WhenDo ships an update monthly, Coding for Kids every 2 months. Both last shipped on October 2, 2026.

## The numbers

| Metric | WhenDo | Coding for Kids |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/coding-for-kids-javascript/id6739499427/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 22 MB | 41 MB |
| Requires iOS | **8.1** | 15.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Zhiwei Robotics Co Ltd](https://appshunter.io/developer/643548685) | [MEHMET CANKER (TR)](https://appshunter.io/developer/1565350155) |

## What reviewers say

### WhenDo

[App page](https://appshunter.io/ios/app/whendo/id1001086940)

This tool provides a graphical programming environment for learning Arduino. It simplifies coding by allowing users to drag and combine blocks to create programs. The app supports wireless downloads to compatible Arduino devices and utilizes a cloud server for compilation.

**Highlights:** Graphical programming with drag-and-drop blocks, Clear logic structure (When, Centre Node, Do blocks), Cloud server compilation, Wireless BLE downloads, Compatible with Bluetooth 4.0 Arduino chips

**Features:** macOS Compatibility

**In-app purchases:** none


### Coding for Kids

[App page](https://appshunter.io/ios/app/coding-for-kids-javascript/id6739499427)

This app offers an interactive way for children to learn JavaScript programming. It features AI-powered lessons, a built-in code editor, and tools to help fix errors and generate code. Kids can also save their work, take notes, and participate in online challenges to earn a certificate.

**Highlights:** AI-powered personalized lessons, Built-in Integrated Development Environment (IDE), AI-assisted code error fixing, AI code generation, JavaScript compiler integration, Note-taking feature, Code saving

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Javascript for Kids Weekly | $4.99 | per 7 days |
| Javascript for Kids Monthly | $6.99 | per month |
| Javascript for Kids Yearly | $24.99 | per year |


## Frequently asked questions

### Is WhenDo free?

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

### Is Coding for Kids free?

Coding for Kids is free to download, with in-app purchases available.

### Do WhenDo or Coding for Kids have ads?

Neither WhenDo nor Coding for Kids shows ads.

### Which is updated more often, WhenDo or Coding for Kids?

WhenDo ships an update monthly, and Coding for Kids every 2 months. Most recently, WhenDo was updated on October 2, 2026 and Coding for Kids on October 2, 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.*