# WindowViewer vs Windowmaker Measure

The clearest difference is in-app purchases: WindowViewer at none against Windowmaker Measure's 1. WindowViewer also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Windowmaker Measure sells 1 in-app purchase, starting at $16.99 per month. WindowViewer asks for nothing beyond the download.

WindowViewer ships an update every 3 months, Windowmaker Measure every 2 months. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | WindowViewer | Windowmaker Measure |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 138 MB | 40 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Digital Building Solutions GmbH](https://appshunter.io/developer/1456095004) | [Windowmaker Software Ltd](https://appshunter.io/developer/1038461573) |

## What reviewers say

### WindowViewer

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

**In-app purchases:** none


### Windowmaker Measure

[App page](https://appshunter.io/ios/app/windowmaker-measure/id6740228358)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Windowmaker Measure Pro | $16.99 | per month |


## Frequently asked questions

### Is WindowViewer free?

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

### Is Windowmaker Measure free?

Windowmaker Measure is free to download, with in-app purchases available.

### Do WindowViewer or Windowmaker Measure have ads?

Neither WindowViewer nor Windowmaker Measure shows ads.

### Which is updated more often, WindowViewer or Windowmaker Measure?

WindowViewer ships an update every 3 months, and Windowmaker Measure every 2 months. Most recently, WindowViewer was updated on September 10, 2026 and Windowmaker Measure on September 9, 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.*