# RSiAJP vs Inverter

The clearest difference is price: Inverter at Free against RSiAJP's $22.99. Inverter also leads on update cadence (every 10 days vs every 2 months). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Inverter is free to download; RSiAJP costs $22.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RSiAJP ships an update every 2 months, Inverter every 10 days. The most recent releases landed on October 23, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | RSiAJP | Inverter |
| --- | --- | --- |
| Price | $22.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rsiajp/id1234725485/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **100.0% of reviews** | 92.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Paid | **Free** |
| Size | 33 MB | 24 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Grenat](https://appshunter.io/developer/1234725484) | [Richard Russell](https://appshunter.io/developer/1651141744) |

## What reviewers say

### RSiAJP

[App page](https://appshunter.io/ios/app/rsiajp/id1234725485)

Monitor and diagnose your TVR AJP engined car's ECU in real-time. View live engine data, logged faults, and GPS information. Reset faults, service intervals, and adaptives. Set custom alerts with voice and sound notifications.

**Highlights:** Real-time ECU data display, Live and logged fault monitoring, GPS speed, coordinates, and heading, ECU fault and service interval reset, Customizable alert thresholds with audio, Data logging for export, Simulated mode for demonstration

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is RSiAJP free?

RSiAJP costs $22.99, with no in-app purchases.

### Is Inverter free?

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

### Do RSiAJP or Inverter have ads?

Neither RSiAJP nor Inverter shows ads.

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

RSiAJP ships an update every 2 months, and Inverter every 10 days. Most recently, RSiAJP was updated on October 23, 2026 and Inverter on October 13, 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.*