RSiAJP Lite vs OnTrack
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
RSiAJP Lite
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This application enables the display 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 https://rsiajp.com. This version of the app displays RPM, Air Temperature and Battery All other data is simulated. A fully simulated mode is available to show the application to your friends too, even though you're not connected to a car. 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. More details here: http://rsiajp.com and join/like our Facebook page: https://www.facebook.com/rsiajp for updates and discussion
OnTrack
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Introducing Shift, an innovative app designed to make manual driving simpler and more efficient. By allowing you to set your desired RPM for gear changes, Shift provides a visual cue on your smartphone, making it easier than ever to know the perfect moment to shift gears. Ideal for both novice and experienced manual drivers, this app helps optimize your car's performance and fuel efficiency, while also making driving a more enjoyable experience. Features: Custom RPM Shift Point: You have the power to set the RPM at which you'd like to shift gears, tailoring the driving experience to your personal preference or to the specific demands of your vehicle. Bluetooth OBD Integration: Easily connect Shift to your car using a Bluetooth OBD II adapter, ensuring compatibility with a broad range of vehicles and a simple setup process. Intuitive Shift Light Display: Much like hardware Shift-Lights, but without the premium price. Quick and Easy Setup: Just connect the app to your car via the Bluetooth OBD II adapter, enter your preferred RPM shift point, and you're ready to go. How It Works: Pair your smartphone with your car through a Bluetooth OBD II adapter. Launch the Shift app and input your desired RPM for gear changes. Drive as usual and watch for the shift indicator on your phone for the perfect shift timing. Advantages: Improve your vehicle's performance and fuel efficiency. Customize your driving experience based on your skill level and car's capabilities. Compatibility: Compatible with most gasoline and diesel vehicles that have an OBD II port (1996 and newer). Requires the use of a Bluetooth 4 OBD II adapter (available separately). Get Shift now and take control of your driving experience. Set your RPM, see the shift, and feel the difference in your drive. Join the Shift community and redefine the way you engage with the road, one gear at a time. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: RSiAJP Lite at none against OnTrack's 2. RSiAJP Lite also leads on iOS requirement (14.0 vs 17.2). OnTrack's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. OnTrack sells 2 in-app purchases, starting at $1.99 per month. RSiAJP Lite asks for nothing beyond the download.
RSiAJP Lite ships an update every 2 months, OnTrack every 2 weeks. The most recent releases landed on September 10, 2026 and September 7, 2026 respectively.
| Parameter | RSiAJP Lite | OnTrack |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 weeks โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod, Mac โ better | iPhone, iPad, Apple Watch |
| Requires iOS | 14.0 โ better | 17.2 |
| Further details โ not scored | ||
| Size | 33 MB | 8 MB |
| Age rating | 4+ | +4 |
| Developer | Grenat | OnTrack Apps Limited |
In-app purchases
RSiAJP Lite
No in-app purchases
OnTrack
- Monthly$1.991 Month
- Yearly - Best value7 Days trial$19.991 Year







