# ZEISS FOCUS app vs IoTReno

The clearest difference is update cadence: IoTReno at every 3 weeks against ZEISS FOCUS app's every 6 months. 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.

ZEISS FOCUS app ships an update every 6 months, IoTReno every 3 weeks. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | ZEISS FOCUS app | IoTReno |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Size | 74 MB | 58 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carl Zeiss AG](https://appshunter.io/developer/488066215) | [Nesh Technologies](https://appshunter.io/developer/497314055) |

## What reviewers say

### ZEISS FOCUS app

[App page](https://appshunter.io/ios/app/zeiss-focus-app/id1450753566)

**Features:** macOS Compatibility

**In-app purchases:** none


### IoTReno

[App page](https://appshunter.io/ios/app/iotreno/id6475394752)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZEISS FOCUS app free?

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

### Is IoTReno free?

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

### Do ZEISS FOCUS app or IoTReno have ads?

Neither ZEISS FOCUS app nor IoTReno shows ads.

### Which is updated more often, ZEISS FOCUS app or IoTReno?

ZEISS FOCUS app ships an update every 6 months, and IoTReno every 3 weeks. Most recently, ZEISS FOCUS app was updated on October 25, 2026 and IoTReno on October 27, 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.*