# WhenDo > Graphical programming tool for learning Arduino with wireless downloads. (iPhone/iPad app by Shanghai Zhiwei Robotics Co Ltd.) - Source: https://appshunter.io/ios/app/whendo/id1001086940 (this page in markdown: same URL + `.md`) - Developer: [Shanghai Zhiwei Robotics Co Ltd](https://appshunter.io/developer/643548685) - Category: Education, Utilities - Price: Free - Age rating: 4+ - Requires: iOS 8.1 · 22 MB - Languages: English, Chinese - Released: 2015-06-11 - Data updated: 2026-06-04 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/whendo/id1001086940/reviews.md ## What is WhenDo? This is the most comprehensive graphical programming and developing tool based on Arduino. WhenDo is the most sufficient way to learn about Arduino and every basic programming logic. WhenDo is compatible with all the Arduino chips that have Bluetooth 4.0 module . Significant Features: 1. Graphical programming In this graphical programming language, user just need to drag condition and execute blocks and freely combine them. This development tool applies many amusing functions that the Arduino can accomplish in WhenDo. 2. Clear and meticulous logic Each sentence involves three elements: When block ( condition setting), Centre Node (combine When & Do block) and Do block ( execute setting ). Besides, the whole interactive User Interference environment is a big loop, which repeatedly run the program statements. 3. Cloud server compile Excellent file transfer and compile based on a Ubuntu server. Remote access to various libraries to improve its capability. 4. BLE download Wireless download the program through blueTooth 4.0 Arduino devices. ## Key features - 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 ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/whendo/id1001086940/reviews.md ### 1/5 — More of a "WhenDon't"! *2016-09-20* We purchased two vortex bots with the hoe of teaching our children coding. While the Vortex bots worked with the Vortex Bot app, the coding app WhenDo did not upload the programs correctly. The name of the app is SEO poison, and it's impossible to locate support. It seems like this app was rushed through development. It looks wonderful, but when the firmware hits the road, it's an abject failure. I hope an update comes soon so I can change this review. ## Frequently asked questions about WhenDo ### What is the learning methodology used by WhenDo? WhenDo employs a graphical programming language where users drag and combine condition and execution blocks. This approach simplifies learning basic programming logic for Arduino by breaking down complex concepts into visual components. ### How does WhenDo track user progress? The description does not specify explicit progress tracking features within WhenDo. However, users can develop and test programs, which inherently allows them to gauge their understanding and skill progression. ### Does WhenDo offer certifications upon completion of learning modules? There is no mention of certifications being offered by WhenDo in the provided information. The app focuses on providing a tool for learning and developing Arduino programs. ### What devices is WhenDo compatible with? WhenDo is currently supported on iPads. It is also compatible with Arduino chips that have a Bluetooth 4.0 module for wireless programming. ### How often is WhenDo updated? The last update for WhenDo was on August 1, 2017, with version 0.2.9. This indicates infrequent updates in recent years. ### What is the user sentiment for WhenDo? Based on the available data, WhenDo has a rating of 1.0 stars from 1 rating. This suggests a very low user satisfaction, though the sample size is extremely small. ### Does WhenDo have ads? No, WhenDo does not contain advertisements. The app is free to download and use without any ad interruptions. ### What are the pricing details for WhenDo? WhenDo is available for free. There are no costs associated with downloading or using the application. ## Version history (last 5 releases) ### 0.2.9 — 2017-08-01 This app has been updated by Apple to display the Apple Watch app icon. Fixed some bugs ### 0.2.8 — 2017-07-15 Improve the user experience. ### 0.2.7 — 2016-11-28 Bugfix ### 0.2.6 — 2016-02-08 Improved UI Fixed minor UI bugs Migrated Vortex Factory Reset function away to VortexBot app. WhenDo no longer resets Vortex robot's firmware. ### 0.2.5 — 2016-01-14 Added serial debug function Added bluetooth connection signal User experience enhancements ## More apps by Shanghai Zhiwei Robotics Co Ltd - [Play BLUno](https://appshunter.io/ios/app/play-bluno/id737793451) - [GoBLE - Bluetooth 4.0 Controller](https://appshunter.io/ios/app/goble-bluetooth-40-controller/id950937437) - [VortexBot](https://appshunter.io/ios/app/vortexbot/id968378040) - [BigBee](https://appshunter.io/ios/app/bigbee/id1064370567) All apps by Shanghai Zhiwei Robotics Co Ltd: https://appshunter.io/developer/643548685 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-04.*