# GridCarbon vs Rewild Mobile

The clearest difference is update cadence: Rewild Mobile at weekly against GridCarbon's every 4 months. GridCarbon's advantage is iOS requirement (12.0 vs 17.0). 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.

GridCarbon ships an update every 4 months, Rewild Mobile weekly. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | GridCarbon | Rewild Mobile |
| --- | --- | --- |
| 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 | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free | — |
| Size | 10 MB | 91 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alex Rogers](https://appshunter.io/developer/346832869) | [Rewild Mobile](https://appshunter.io/developer/6799953730) |

## 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


### Rewild Mobile

[App page](https://appshunter.io/ios/app/rewild-mobile/id6799953728)

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

**In-app purchases:** none


## Frequently asked questions

### Is GridCarbon free?

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

### Is Rewild Mobile free?

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

### Do GridCarbon or Rewild Mobile have ads?

Neither GridCarbon nor Rewild Mobile shows ads.

### Which is updated more often, GridCarbon or Rewild Mobile?

GridCarbon ships an update every 4 months, and Rewild Mobile weekly. Most recently, GridCarbon was updated on October 7, 2026 and Rewild Mobile on October 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.*