# Flowy14 vs WhenDo

The clearest difference is review sentiment: Flowy14 at 100% against WhenDo's 0%. Flowy14 also leads on rating (5.0 vs 1.0) and device support (4 vs 1). WhenDo's advantage is in-app purchases (none vs 1) and update cadence (monthly vs every 127 months). On price, ratings volume and ads there is nothing between them.

Both are free to download. Flowy14 sells 1 in-app purchase, starting at $1.99 per month. WhenDo asks for nothing beyond the download.

Flowy14 holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 100% of Flowy14's written reviews are positive against 0% of WhenDo's.

Flowy14 ships an update every 127 months, WhenDo monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Flowy14 | WhenDo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flowy14/id813121890/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/whendo/id1001086940/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 127 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 3 MB | 22 MB |
| Requires iOS | 15.0 | **8.1** |
| Devices | **iPhone, iPad, iPod, Mac** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Software Bugs Un Limited](https://appshunter.io/developer/293300386) | [Shanghai Zhiwei Robotics Co Ltd](https://appshunter.io/developer/643548685) |

## What reviewers say

### Flowy14

[App page](https://appshunter.io/ios/app/flowy14/id813121890)

This visual programming environment allows users to build and execute programs using a flowchart-like interface. It helps users understand software development by visually demonstrating program execution and data flow. Prebuilt demos and a tutorial are included to showcase its capabilities.

**Highlights:** Visual programming environment, Flowchart-based program assembly, Real-time execution visualization, Data flow animation, Prebuilt demos and tutorial, Interactive learning

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription Flowy14 | $1.99 | per month |


### 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


## Frequently asked questions

### Is Flowy14 free?

Flowy14 is free to download, with in-app purchases available.

### Is WhenDo free?

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

### Which has better reviews, Flowy14 or WhenDo?

Flowy14 is rated higher. Flowy14 averages 5.0 out of 5 from 1 ratings, while WhenDo averages 1.0 from 1 ratings.

### Do Flowy14 or WhenDo have ads?

Neither Flowy14 nor WhenDo shows ads.

### Which is updated more often, Flowy14 or WhenDo?

Flowy14 ships an update every 127 months, and WhenDo monthly. Most recently, Flowy14 was updated on October 24, 2026 and WhenDo on October 24, 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.*