# K'artlight vs Widget for Netatmo

The clearest difference is in-app purchases: K'artlight at none against Widget for Netatmo's 6. K'artlight also leads on iOS requirement (12.4 vs 17.0). Widget for Netatmo's advantage is update cadence (weekly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Widget for Netatmo sells 6 in-app purchases, starting at $0.99 per year. K'artlight asks for nothing beyond the download.

K'artlight ships an update every 2 months, Widget for Netatmo weekly. The most recent releases landed on November 7, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | K'artlight | Widget for Netatmo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 23 MB | 6 MB |
| Requires iOS | **12.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Krier sas](https://appshunter.io/developer/1033161354) | [Actisoft S.r.l.](https://appshunter.io/developer/6797208029) |

## What reviewers say

### K'artlight

[App page](https://appshunter.io/ios/app/kartlight/id1599479474)

**Features:** macOS Compatibility

**In-app purchases:** none


### Widget for Netatmo

[App page](https://appshunter.io/ios/app/widget-for-netatmo/id6811951508)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small layout | $0.99 | per year |
| Extra small layout | $0.99 | per year |
| Quick access Energy app | $0.99 | per year |
| Enable all | $1.99 | per month |
| Widget skin | $0.99 | one-time |
| Enable all features | $19.99 | one-time |


## Frequently asked questions

### Is K'artlight free?

K'artlight is free to download, with no in-app purchases.

### Is Widget for Netatmo free?

Widget for Netatmo is free to download, with in-app purchases available.

### Do K'artlight or Widget for Netatmo have ads?

Neither K'artlight nor Widget for Netatmo shows ads.

### Which is updated more often, K'artlight or Widget for Netatmo?

K'artlight ships an update every 2 months, and Widget for Netatmo weekly. Most recently, K'artlight was updated on November 7, 2026 and Widget for Netatmo on November 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.*