RSiAJP vs MAP Energy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RSiAJP
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.
- 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
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This application enables the display and background monitoring of ECU information for TVR AJP (V8 and S6) engined cars (Cerbera, Tamora, Tuscan, Sagaris, T350). The application connects to the car's MBE 941/970 ECU using a Bluetooth Low Energy serial adapter available from http://http://rsiajp.com The app displays real time data such as water temperature, throttle position, air temperature, ignition advance, rpm, etc... as well as live and logged faults as reported by the ECU. Also, though the use of the onboard GPS, your current travelling speed is available for display. In addition to displaying the data, the application enables the user to reset the ECU's logged faults, service interval, adaptives and throttle (S6) and can be used to log live data for export via email. Warning thresholds can be setup on individual data items, the thresholds will be displayed through colour coding on the gauges. A fully simulated mode is available to show the application to your friends too, even though you're not connected to a car. More details on our website: http://rsiajp.com and our Facebook page https://www.facebook.com/rsiajp The author of the application will accept no liability whatsoever for any damage to the car, engine or ECU resulting from the use of the application. By running the application you accept full responsibility of any potential consequences.
MAP Energy
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.
- Live energy flow monitoring
- Historical performance tracking
- Automated backup reserve control
- Intelligent export behavior automation
- Tesla Powerwall integration
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MapEnergy helps you monitor and control your Tesla Powerwall energy usage. View live energy flow, track historical performance, and automate your backup reserve and export behaviour using intelligent automation tools. Terms of Use : - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | RSiAJP | MAP Energy |
|---|---|---|
| Price | $22.99 | Free — better |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 2 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Freemium — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 33 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | Grenat | Aptica Limited |
Customer experience
RSiAJP
MAP Energy
In-app purchases
RSiAJP
No in-app purchases
MAP Energy
- Premium Monthly14 Days trial$3.991 Month
- Premium Yearly14 Days trial$39.991 Year









