# GridCarbon vs Dispatch Timer

The clearest difference is update cadence: GridCarbon at every 4 months against Dispatch Timer's every 17 months. 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, Dispatch Timer every 17 months. The most recent releases landed on June 8, 2026 and August 6, 2026 respectively.

## The numbers

| Metric | GridCarbon | Dispatch Timer |
| --- | --- | --- |
| 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 17 months |
| Monetization | Free | — |
| Size | 10 MB | 2 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alex Rogers](https://appshunter.io/developer/346832869) | [Chris Cox](https://appshunter.io/developer/1050421673) |

## 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


### Dispatch Timer

[App page](https://appshunter.io/ios/app/dispatch-timer/id1474413495)

**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 Dispatch Timer free?

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

### Do GridCarbon or Dispatch Timer have ads?

Neither GridCarbon nor Dispatch Timer shows ads.

### Which is updated more often, GridCarbon or Dispatch Timer?

GridCarbon ships an update every 4 months, and Dispatch Timer every 17 months. Most recently, GridCarbon was updated on June 8, 2026 and Dispatch Timer on August 6, 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.*