# GridCarbon vs Think Before You Link

The clearest difference is review sentiment: Think Before You Link at 100% against GridCarbon's 76%. GridCarbon's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 18.0). 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, Think Before You Link every 3 months. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | GridCarbon | Think Before You Link |
| --- | --- | --- |
| 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 | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 10 MB | 117 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alex Rogers](https://appshunter.io/developer/346832869) | [CPNI](https://appshunter.io/developer/1600055720) |

## 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


### Think Before You Link

[App page](https://appshunter.io/ios/app/think-before-you-link/id1600055718)

This interactive guide educates users on online safety through a series of lessons. It promotes the Think Before You Link campaign to help everyone stay safer when using the internet.

**Highlights:** Interactive guide, Online safety lessons, Think Before You Link campaign, Educational content, User safety focus

**In-app purchases:** none


## Frequently asked questions

### Is GridCarbon free?

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

### Is Think Before You Link free?

Think Before You Link is free to download, with no in-app purchases.

### Do GridCarbon or Think Before You Link have ads?

Neither GridCarbon nor Think Before You Link shows ads.

### Which is updated more often, GridCarbon or Think Before You Link?

GridCarbon ships an update every 4 months, and Think Before You Link every 3 months. Most recently, GridCarbon was updated on October 7, 2026 and Think Before You Link on October 3, 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.*