# GridSense vs Zonnewijzer

The clearest difference is iOS requirement: Zonnewijzer at 13.0 against GridSense's 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.

## The numbers

| Metric | GridSense | Zonnewijzer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 61 MB | 25 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SR Productions V.O.F.](https://appshunter.io/developer/1029136855) | [Sundata](https://appshunter.io/developer/1824670994) |

## What reviewers say

### GridSense

[App page](https://appshunter.io/ios/app/gridsense/id6670372565)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Zonnewijzer

[App page](https://appshunter.io/ios/app/zonnewijzer/id6748224249)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GridSense free?

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

### Is Zonnewijzer free?

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

### Do GridSense or Zonnewijzer have ads?

Neither GridSense nor Zonnewijzer shows ads.

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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.*