# Gridwatch vs OctoTracker

The clearest difference is review sentiment: OctoTracker at 81% against Gridwatch's 67%. OctoTracker also leads on iOS requirement (13.0 vs 15.6). Gridwatch's advantage is device support (5 vs 2). 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.

Gridwatch ships an update every 3 months, OctoTracker every 2 months. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Gridwatch | OctoTracker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | **81.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 8 MB | 28 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple TV, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carl de Wiele](https://appshunter.io/developer/1463272988) | [Jonathan Ellis](https://appshunter.io/developer/1704835697) |

## What reviewers say

### 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


### OctoTracker

[App page](https://appshunter.io/ios/app/octotracker/id6463722470)

Monitor daily and future energy prices for Octopus Tracker customers. Get real-time insights, plan consumption, and visualize price trends. Receive notifications and use widgets for easy access to energy rate information.

**Highlights:** Monitor today's and tomorrow's energy prices, Real-time price insights, Price indicator (above/below average), 30-day price visualization charts, Compare rates with standard tariff, Push notifications for price changes, iOS home screen widget

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gridwatch free?

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

### Is OctoTracker free?

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

### Do Gridwatch or OctoTracker have ads?

Neither Gridwatch nor OctoTracker shows ads.

### Which is updated more often, Gridwatch or OctoTracker?

Gridwatch ships an update every 3 months, and OctoTracker every 2 months. Most recently, Gridwatch was updated on October 1, 2026 and OctoTracker on October 9, 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.*