# Service Register vs Gridwatch

The clearest difference is device support: Gridwatch at 5 against Service Register's 3. 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.

Service Register ships an update every 5 months, Gridwatch every 3 months. The most recent releases landed on October 26, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Service Register | Gridwatch |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 6 MB | 8 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Z/Yen Group Ltd.](https://appshunter.io/developer/910471380) | [Carl de Wiele](https://appshunter.io/developer/1463272988) |

## What reviewers say

### Service Register

[App page](https://appshunter.io/ios/app/service-register/id923365742)

**Features:** macOS Compatibility

**In-app purchases:** none


### Gridwatch

[App page](https://appshunter.io/ios/app/gridwatch/id1553702520)

Monitor real-time energy demand and electricity supply sources for the UK. Track current and past consumption levels to understand grid performance.

**Highlights:** Live UK energy demand metrics, Electricity supply source breakdown, Current consumption levels, Historical consumption data, Grid performance insights

**In-app purchases:** none


## Frequently asked questions

### Is Service Register free?

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

### Is Gridwatch free?

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

### Do Service Register or Gridwatch have ads?

Neither Service Register nor Gridwatch shows ads.

### Which is updated more often, Service Register or Gridwatch?

Service Register ships an update every 5 months, and Gridwatch every 3 months. Most recently, Service Register was updated on October 26, 2026 and Gridwatch on October 17, 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.*