# RSiAJP vs MAP Energy

The clearest difference is price: MAP Energy at Free against RSiAJP's $22.99. MAP Energy also leads on update cadence (every 8 days vs every 2 months). RSiAJP's advantage is in-app purchases (none vs 2) and device support (4 vs 2). On rating, review sentiment, ratings volume and ads there is nothing between them.

MAP Energy is free to download; RSiAJP costs $22.99 up front. MAP Energy sells 2 in-app purchases, starting at $3.99 per month. RSiAJP asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for RSiAJP against 5.0 for MAP Energy. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

RSiAJP ships an update every 2 months, MAP Energy every 8 days. Both last shipped on October 23, 2026.

## The numbers

| Metric | RSiAJP | MAP Energy |
| --- | --- | --- |
| Price | $22.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/rsiajp/id1234725485/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/map-energy/id6756628340/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Paid | **Freemium** |
| Size | 33 MB | 59 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Grenat](https://appshunter.io/developer/1234725484) | [Aptica Limited](https://appshunter.io/developer/1861896570) |

## 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


### MAP Energy

[App page](https://appshunter.io/ios/app/map-energy/id6756628340)

Monitor and control your Tesla Powerwall energy usage with real-time data and historical performance tracking. Automate backup reserves and export behavior using intelligent tools.

**Highlights:** Live energy flow monitoring, Historical performance tracking, Automated backup reserve control, Intelligent export behavior automation, Tesla Powerwall integration

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is RSiAJP free?

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

### Is MAP Energy free?

MAP Energy is free to download, with in-app purchases available.

### Which has better reviews, RSiAJP or MAP Energy?

RSiAJP and MAP Energy are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do RSiAJP or MAP Energy have ads?

Neither RSiAJP nor MAP Energy shows ads.

### Which is updated more often, RSiAJP or MAP Energy?

RSiAJP ships an update every 2 months, and MAP Energy every 8 days. Most recently, RSiAJP was updated on October 23, 2026 and MAP Energy on October 23, 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.*