# СК Zebra vs Viomi

The clearest difference is update cadence: Viomi at every 2 months against СК Zebra's every 24 months. Viomi also leads on iOS requirement (12.0 vs 18.0). 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.

СК Zebra ships an update every 24 months, Viomi every 2 months. The most recent releases landed on September 26, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | СК Zebra | Viomi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 2 months** |
| Size | 1 MB | 293 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AI Helps](https://appshunter.io/developer/1347840402) | [MERVIO PTE. LTD.](https://appshunter.io/developer/1805777928) |

## What reviewers say

### СК Zebra

[App page](https://appshunter.io/ios/app/zebra/id1564147632)

**In-app purchases:** none


### Viomi

[App page](https://appshunter.io/ios/app/viomi/id6478471675)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is СК Zebra free?

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

### Is Viomi free?

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

### Do СК Zebra or Viomi have ads?

Neither СК Zebra nor Viomi shows ads.

### Which is updated more often, СК Zebra or Viomi?

СК Zebra ships an update every 24 months, and Viomi every 2 months. Most recently, СК Zebra was updated on September 26, 2026 and Viomi on October 14, 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.*