# Inverter vs OctoTracker

The clearest difference is update cadence: Inverter at every 10 days against OctoTracker's every 2 months. Inverter also leads on review sentiment (91% vs 81%). OctoTracker's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Inverter ships an update every 10 days, OctoTracker every 2 months. The most recent releases landed on September 22, 2026 and June 8, 2026 respectively.

## The numbers

| Metric | Inverter | OctoTracker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **91.3% of reviews** | 81.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | Free | Free |
| Size | 24 MB | 28 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Richard Russell](https://appshunter.io/developer/1651141744) | [Jonathan Ellis](https://appshunter.io/developer/1704835697) |

## What reviewers say

### Inverter

[App page](https://appshunter.io/ios/app/inverter/id6443976497)

Monitor and manage your GivEnergy inverter(s) with this straightforward application. It allows for independent control of up to three connected inverters. Resetting IP addresses is easily managed through the iOS Files app.

**Highlights:** Monitor inverter status, Control inverter settings, Connect up to three inverters, Independent inverter management, IP address reset via Files app

**Features:** Vision Pro support

**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 Inverter free?

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

### Is OctoTracker free?

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

### Do Inverter or OctoTracker have ads?

Neither Inverter nor OctoTracker shows ads.

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

Inverter ships an update every 10 days, and OctoTracker every 2 months. Most recently, Inverter was updated on September 22, 2026 and OctoTracker on June 8, 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.*