# WhenDo vs 古诗乐园

The clearest difference is in-app purchases: WhenDo at none against 古诗乐园's 6. WhenDo also leads on iOS requirement (8.1 vs 12.0). 古诗乐园's advantage is update cadence (every 4 days vs monthly) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. 古诗乐园 sells 6 in-app purchases, starting at $0.99 per month. WhenDo asks for nothing beyond the download.

WhenDo ships an update monthly, 古诗乐园 every 4 days. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | WhenDo | 古诗乐园 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/whendo/id1001086940/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free | — |
| Size | 22 MB | 51 MB |
| Requires iOS | **8.1** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Zhiwei Robotics Co Ltd](https://appshunter.io/developer/643548685) | [倩倩 郝](https://appshunter.io/developer/1778992145) |

## 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


### 古诗乐园

[App page](https://appshunter.io/ios/app/id1561090233)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 古诗乐园自动续费会员（1个月） | $0.99 | per month |
| 古诗乐园自动续费会员（3个月） | $2.49 | per 3 months |
| 古诗乐园自动续费会员（12个月） | $8.99 | per year |
| 古诗乐园会员（1个月） | $1.99 | one-time |
| 古诗乐园会员（3个月） | $4.99 | one-time |
| 古诗乐园会员（12个月） | $15.99 | one-time |


## Frequently asked questions

### Is WhenDo free?

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

### Is 古诗乐园 free?

古诗乐园 is free to download, with in-app purchases available.

### Do WhenDo or 古诗乐园 have ads?

Neither WhenDo nor 古诗乐园 shows ads.

### Which is updated more often, WhenDo or 古诗乐园?

WhenDo ships an update monthly, and 古诗乐园 every 4 days. Most recently, WhenDo was updated on October 24, 2026 and 古诗乐园 on October 27, 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.*