# RSiAJP Lite — TVR Diagnostics

> TVR Diagnostics (iPhone/iPad app by Grenat.)

- Source: https://appshunter.io/ios/app/rsiajp-lite/id1240448529 (this page in markdown: same URL + `.md`)
- Developer: [Grenat](https://appshunter.io/developer/1234725484)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 14.0 · 33 MB
- Languages: American English
- Released: 2017-07-09
- Data updated: 2026-08-29
- User reviews in markdown: https://appshunter.io/ios/app/rsiajp-lite/id1240448529/reviews.md

## What is RSiAJP Lite?

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


## Version history (last 5 releases)

### 2.2.0 — 2026-08-17

Fixes a bug where the warn and threshold alert values weren't always saved
Interval gauges now have warning and threshold ranges
Live ECU Graphs
Oil pressure display

### 2.0.2 — 2026-08-09

-Allow widgets to overflow screen sides in layouts
-Empty widget title set in designer removes widget title in the app, displaying only the value
-On screen and audible alerts
-Dynamic rpm limits based on water temp
-Preview layouts in the layout designer

### 2.0.1 — 2026-07-31

New look and feel, works in portrait and landscape and you can design your own layouts either in the app or using the web designer available from https://rsiajp.com

### 1.7.1 — 2026-05-15

More forgiving timeouts and flashing status to indicate app is querying the bluetooth device

### 1.6.0 — 2024-02-28

Update to support latest bluetooth adapter

## Apps similar to RSiAJP Lite

| App | Rating | Price | Category |
| --- | --- | --- | --- |
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| [DashCAN - IgnitronECU](https://appshunter.io/ios/app/dashcan-ignitronecu/id6476441441) | 5.0 (1) | Free | Utilities |
| [FIA IDR Official](https://appshunter.io/ios/app/fia-idr-official/id6741418790) | — | Free | Utilities |
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| [ShiftLight OBD2](https://appshunter.io/ios/app/shiftlight-obd2/id6471374380) | — | Free | Utilities |
| [SpeedLap](https://appshunter.io/ios/app/speedlap/id6749648704) | — | $0.99 | Utilities |

## More apps by Grenat

- [RSiAJP](https://appshunter.io/ios/app/rsiajp/id1234725485)
- [RAW / BARF Pet Dinner](https://appshunter.io/ios/app/raw-barf-pet-dinner/id1343107452)

All apps by Grenat: https://appshunter.io/developer/1234725484

## Related topics

[rsiajp lite](https://appshunter.io/ios/topics/rsiajp-lite) · [rsiajp](https://appshunter.io/ios/topics/rsiajp) · [acurast lite](https://appshunter.io/ios/topics/acurast-lite)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-29.*