Comparison

RSiAJP vs MAP Energy

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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.

About

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.

Highlights
  • Live energy flow monitoring
  • Historical performance tracking
  • Automated backup reserve control
  • Intelligent export behavior automation
  • Tesla Powerwall integration
Features
Read full description

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

RSiAJP4 screens
MAP Energy4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard6 real differences · 4 level
RSiAJP versus MAP Energy: the parameters behind the verdict, then further details
ParameterRSiAJPMAP Energy
Price$22.99Free — better
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings11
Update frequencyEvery 2 monthsEvery 8 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFreemium — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS14.0 — better18.6
Further details — not scored
Size33 MB59 MB
Age rating4+4+
DeveloperGrenatAptica Limited

Customer experience

RSiAJP

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

MAP Energy

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

RSiAJP

No in-app purchases

2 purchases

MAP Energy

Subscriptions2
  • Premium Monthly14 Days trial$3.991 Month
  • Premium Yearly14 Days trial$39.991 Year

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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