# Miljømåler vs Wopla

The clearest difference is update cadence: Wopla at every 3 weeks against Miljømåler's every 12 months. Wopla also leads on iOS requirement (13.0 vs 15.1). 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.

Miljømåler ships an update every 12 months, Wopla every 3 weeks. The most recent releases landed on October 29, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Miljømåler | Wopla |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Size | 102 MB | 13 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Claus Holbech](https://appshunter.io/developer/1433907791) | [Wopla ApS](https://appshunter.io/developer/1724721038) |

## What reviewers say

### Miljømåler

[App page](https://appshunter.io/ios/app/miljmaler-cph/id1485115926)

**In-app purchases:** none


### Wopla

[App page](https://appshunter.io/ios/app/wopla/id6475669619)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Miljømåler free?

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

### Is Wopla free?

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

### Do Miljømåler or Wopla have ads?

Neither Miljømåler nor Wopla shows ads.

### Which is updated more often, Miljømåler or Wopla?

Miljømåler ships an update every 12 months, and Wopla every 3 weeks. Most recently, Miljømåler was updated on October 29, 2026 and Wopla on November 4, 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.*