RSiAJP Lite vs Dash X
Price, ratings, monetisation and update history for both apps, side by side — 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
Dash X
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Dash X • Your Ultimate OBD-II Performance App Dash X is a powerful real-time data and performance app designed for drivers who want deeper insight into their vehicle. Whether you’re on track, on the road, or reviewing data afterwards, Dash X delivers a fully customizable experience with complete visibility into your vehicle’s performance. • WIDE ECU SUPPORT Seamlessly connect to a wide range of OBD-II compatible vehicles and ECUs. • GPS TRACKING • Integrated directly into performance metrics and dashboards • Supports global satellite systems for strong signal and accuracy Whether you’re driving on track, exploring the road, or analysing sessions later, your data stays connected and meaningful. • VEHICLE AGNOSTIC Designed for anything that moves: • Cars • Bikes • Off-road vehicles • Jet Skis • Speed Boats • And more — anything supporting OBD-II • CUSTOM GAUGES + DASHBOARDS Build a dashboard tailored to your exact needs: • Unlimited gauge configurations • Prebuilt layouts or fully custom designs • Advanced logic-driven gauge behaviour • 2D/3D mapping for dynamic visualisation • Flexible output control using curves and conditions • REAL-TIME PERFORMANCE + LAP TRACKING Using integrated GPS and live data, Dash X tracks performance in real time: • Intelligent lap tracking and sector timing • Acceleration timers: 0–30 / 0–60 mph & 0–50 / 0–100 kph • Drag metrics: ⅛, ¼, ½ and 1 mile times with speed • 30ft and 60ft timing for detailed launch analysis • Top speed tracking and performance insights • Video recording with synced data overlays • Share and review your runs with ease • CROSS-PLATFORM BACKUP + RESTORE Keep everything safe and transferable: • Backup to cloud or local storage • Sync across devices • Share dashboards and setups with others • DESIGNED FOR PERFORMANCE DRIVING Dash X brings advanced telemetry, diagnostics, and customisation together in one intuitive interface — built for drivers who want more from their data. • GET STARTED WITH DASH X Connect your vehicle, customise your dashboard, and explore your data like never before. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: RSiAJP Lite at none against Dash X's 8. RSiAJP Lite also leads on device support (4 vs 2) and iOS requirement (14.0 vs 16.0). Dash X's advantage is update cadence (monthly vs every 2 months). On price 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
Both are free to download. Dash X sells 8 in-app purchases, starting at $4.99 per 7 days. RSiAJP Lite asks for nothing beyond the download.
RSiAJP Lite ships an update every 2 months, Dash X monthly. The most recent releases landed on October 29, 2026 and October 7, 2026 respectively.
| Parameter | RSiAJP Lite | Dash X |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 33 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | Grenat | TWISTED SOLUTIONS LIMITED |
In-app purchases
RSiAJP Lite
No in-app purchases
Dash X
- Dash X Weekly Subscription$4.997 Days
- Dash X Monthly Subscription$9.991 Month
- Dash X Yearly Subscription$49.991 Year
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- Digital Pro - Dashboard$6.99









