# ISD Link vs RunCam Fly

The clearest difference is update cadence: RunCam Fly at every 4 days against ISD Link's fortnightly. RunCam Fly also leads on device support (4 vs 2) and iOS requirement (13.0 vs 16.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ISD Link ships an update fortnightly, RunCam Fly every 4 days. The most recent releases landed on October 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ISD Link | RunCam Fly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (23 ratings)](https://appshunter.io/ios/app/isd-link/id1568620244/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 21.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free | — |
| Size | 3 MB | 35 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [深圳艾斯特创新科技有限公司](https://appshunter.io/developer/1405370693) | [RunCam](https://appshunter.io/developer/1805716535) |

## What reviewers say

### ISD Link

[App page](https://appshunter.io/ios/app/isd-link/id1568620244)

This app allows interaction with various smart devices. It prioritizes user privacy by saving all data locally and not collecting personal information. Bluetooth is required for device scanning and connection.

**Highlights:** Smart device interaction, Local data saving, No account registration, Bluetooth connectivity, Supports numerous device models

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### RunCam Fly

[App page](https://appshunter.io/ios/app/runcam-fly/id6744043570)

**In-app purchases:** none


## Frequently asked questions

### Is ISD Link free?

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

### Is RunCam Fly free?

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

### Do ISD Link or RunCam Fly have ads?

Neither ISD Link nor RunCam Fly shows ads.

### Which is updated more often, ISD Link or RunCam Fly?

ISD Link ships an update fortnightly, and RunCam Fly every 4 days. Most recently, ISD Link was updated on October 30, 2026 and RunCam Fly on October 10, 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.*