# Замерщик окон vs WindowViewer

The clearest difference is update cadence: Замерщик окон at every 3 weeks against WindowViewer's every 3 months. Замерщик окон also leads on iOS requirement (8.0 vs 12.0). 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.

Замерщик окон ships an update every 3 weeks, WindowViewer every 3 months. The most recent releases landed on October 1, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Замерщик окон | WindowViewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 9 MB | 138 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VEKA Rus](https://appshunter.io/developer/585151342) | [Digital Building Solutions GmbH](https://appshunter.io/developer/1456095004) |

## What reviewers say

### Замерщик окон

[App page](https://appshunter.io/ios/app/id1058346717)

**Features:** macOS Compatibility

**In-app purchases:** none


### WindowViewer

[App page](https://appshunter.io/ios/app/windowviewer/id1606181528)

**In-app purchases:** none


## Frequently asked questions

### Is Замерщик окон free?

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

### Is WindowViewer free?

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

### Do Замерщик окон or WindowViewer have ads?

Neither Замерщик окон nor WindowViewer shows ads.

### Which is updated more often, Замерщик окон or WindowViewer?

Замерщик окон ships an update every 3 weeks, and WindowViewer every 3 months. Most recently, Замерщик окон was updated on October 1, 2026 and WindowViewer on September 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.*