# AF-21 IoTStation

> AF-21 IoTStation (iPhone/iPad app by john Cheng.)

- Source: https://appshunter.io/ios/app/af/id1555390742 (this page in markdown: same URL + `.md`)
- Developer: [john Cheng](https://appshunter.io/developer/1243789980)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 16.2 · 140 MB
- Released: 2021-02-25
- Data updated: 2025-11-26
- User reviews in markdown: https://appshunter.io/ios/app/af/id1555390742/reviews.md

## What is AF?

For AF-21 & P-901 IoTStation   message receiving.


## Version history (last 2 releases)

### 1.0.5 — 2024-04-02

build to support ios16+

### 1.0 — 2021-02-26

No release notes.

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| App | Rating | Price | Category |
| --- | --- | --- | --- |
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| [Milesight ToolBox](https://appshunter.io/ios/app/milesight-toolbox/id1518748039) | 2.6 (5) | Free | Utilities |
| [Device System Services - Tools](https://appshunter.io/ios/app/device-system-services/id1126227676) | 4.5 (397) | Free | Utilities |
| [SynScan](https://appshunter.io/ios/app/synscan/id1243086631) | 3.3 (8) | Free | Utilities |
| [Vent-Axia Connect](https://appshunter.io/ios/app/vent/id1077799767) | 5.0 (1) | Free | Utilities |
| [Simply IP Scanner](https://appshunter.io/ios/app/simply-ip-scanner/id6477535474) | — | Free | Utilities |

## More apps by john Cheng

- [IoTstation](https://appshunter.io/ios/app/iotstation/id1243789981)
- [MQTT Stations](https://appshunter.io/ios/app/mqtt-stations/id1578411683)

All apps by john Cheng: https://appshunter.io/developer/1243789980

## Related topics

[iotstation](https://appshunter.io/ios/topics/iotstation)

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*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 2025-11-26.*