# RSL FOTA vs TELID®7sensor

The clearest difference is update cadence: TELID®7sensor at every 3 weeks against RSL FOTA's every 29 months. RSL FOTA's advantage is iOS requirement (10.2 vs 17). On price, ads, in-app purchases and device support there is nothing between them.

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

RSL FOTA ships an update every 29 months, TELID®7sensor every 3 weeks. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | RSL FOTA | TELID®7sensor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 3 weeks** |
| Size | 9 MB | 5 MB |
| Requires iOS | **10.2** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ON SEMICONDUCTOR CORPORATION](https://appshunter.io/developer/720086766) | [Micro-Sensys GmbH](https://appshunter.io/developer/1723219787) |

## What reviewers say

### RSL FOTA

[App page](https://appshunter.io/ios/app/rsl-fota/id1477779771)

**Features:** macOS Compatibility

**In-app purchases:** none


### TELID®7sensor

[App page](https://appshunter.io/ios/app/telid7sensor/id6747051405)

**In-app purchases:** none


## Frequently asked questions

### Is RSL FOTA free?

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

### Is TELID®7sensor free?

TELID®7sensor is free to download, with no in-app purchases.

### Do RSL FOTA or TELID®7sensor have ads?

Neither RSL FOTA nor TELID®7sensor shows ads.

### Which is updated more often, RSL FOTA or TELID®7sensor?

RSL FOTA ships an update every 29 months, and TELID®7sensor every 3 weeks. Most recently, RSL FOTA was updated on October 25, 2026 and TELID®7sensor on October 30, 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.*