# GridCarbon vs DAW22

The clearest difference is update cadence: DAW22 at every 2 days against GridCarbon's every 4 months. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

GridCarbon ships an update every 4 months, DAW22 every 2 days. The most recent releases landed on October 7, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | GridCarbon | DAW22 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (6 ratings)](https://appshunter.io/ios/app/gridcarbon/id346832866/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 75.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 10 MB | 38 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alex Rogers](https://appshunter.io/developer/346832869) | [Hankin Digital Limited](https://appshunter.io/developer/1618420657) |

## What reviewers say

### GridCarbon

[App page](https://appshunter.io/ios/app/gridcarbon/id346832866)

Monitor the real-time carbon intensity of the UK electricity grid. Understand how electricity generation sources change and identify times when using power is more environmentally friendly. Reduce your carbon footprint by shifting energy consumption to periods of lower grid emissions.

**Highlights:** Real-time carbon intensity updates, Traffic light indicator for intensity levels, Generation mix summary, 24-hour carbon intensity plot, Interactive generation mix chart

**Features:** macOS Compatibility

**In-app purchases:** none


### DAW22

[App page](https://appshunter.io/ios/app/daw22/id1618420505)

**In-app purchases:** none


## Frequently asked questions

### Is GridCarbon free?

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

### Is DAW22 free?

DAW22 is free to download, with no in-app purchases.

### Which is updated more often, GridCarbon or DAW22?

GridCarbon ships an update every 4 months, and DAW22 every 2 days. Most recently, GridCarbon was updated on October 7, 2026 and DAW22 on May 16, 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.*