# GridCarbon vs CompliApp v2

The clearest difference is iOS requirement: GridCarbon at 12.0 against CompliApp v2's 15.1. On price, update cadence, ads and in-app purchases 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, CompliApp v2 every 3 months. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | GridCarbon | CompliApp v2 |
| --- | --- | --- |
| 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 | **Every 3 months** |
| Monetization | Free | — |
| Size | 10 MB | 34 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Alex Rogers](https://appshunter.io/developer/346832869) | [Sugar Rush Creative](https://appshunter.io/developer/723565884) |

## 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


### CompliApp v2

[App page](https://appshunter.io/ios/app/compliapp-v2/id6737836380)

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

**In-app purchases:** none


## Frequently asked questions

### Is GridCarbon free?

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

### Is CompliApp v2 free?

CompliApp v2 is free to download, with no in-app purchases.

### Do GridCarbon or CompliApp v2 have ads?

Neither GridCarbon nor CompliApp v2 shows ads.

### Which is updated more often, GridCarbon or CompliApp v2?

GridCarbon ships an update every 4 months, and CompliApp v2 every 3 months. Most recently, GridCarbon was updated on October 7, 2026 and CompliApp v2 on October 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.*