# ISensor vs F

The clearest difference is iOS requirement: ISensor at 13.0 against F's 15.6. On price, update cadence, 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.

ISensor ships an update every 4 weeks, F monthly. The most recent releases landed on September 8, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | ISensor | F |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (2 ratings)](https://appshunter.io/ios/app/f-linx/id6447948771/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Monthly |
| Monetization | — | Free |
| Size | 41 MB | 134 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [荣强 王](https://appshunter.io/developer/1583195280) | [ShenZhen BitDoor Technology Co.,Ltd.](https://appshunter.io/developer/1737168151) |

## What reviewers say

### ISensor

[App page](https://appshunter.io/ios/app/isensor/id6443441107)

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

**In-app purchases:** none


### F

[App page](https://appshunter.io/ios/app/f-linx/id6447948771)

Control residential, commercial, and industrial door and gate openers with this app. It offers essential functions like opening, stopping, closing, partial opening, and LED light control, all configurable through the platform.

**Highlights:** Open/Stop/Close doors and gates, Partial open function, LED light control, Auto close setting, Force margin adjustment, Configurable through the app

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ISensor free?

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

### Is F free?

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

### Do ISensor or F have ads?

Neither ISensor nor F shows ads.

### Which is updated more often, ISensor or F?

ISensor ships an update every 4 weeks, and F monthly. Most recently, ISensor was updated on September 8, 2026 and F on August 26, 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.*