# Inverter vs Shorefield Keys

The clearest difference is update cadence: Inverter at every 10 days against Shorefield Keys's every 3 months. Shorefield Keys's advantage is iOS requirement (13.0 vs 15.6). 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.

Inverter ships an update every 10 days, Shorefield Keys every 3 months. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Inverter | Shorefield Keys |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 92.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 months |
| Monetization | Free | — |
| Size | 24 MB | 121 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Richard Russell](https://appshunter.io/developer/1651141744) | [TLJ GROUP LIMITED](https://appshunter.io/developer/1361518359) |

## 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


### Shorefield Keys

[App page](https://appshunter.io/ios/app/shorefield-keys/id6738203502)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Inverter free?

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

### Is Shorefield Keys free?

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

### Do Inverter or Shorefield Keys have ads?

Neither Inverter nor Shorefield Keys shows ads.

### Which is updated more often, Inverter or Shorefield Keys?

Inverter ships an update every 10 days, and Shorefield Keys every 3 months. Most recently, Inverter was updated on November 3, 2026 and Shorefield Keys on November 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.*