Comparison

RSiAJP Lite vs JC Turning

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

Head to head

TVR Diagnostics

About

RSiAJP Lite

Features

Read full description

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

About

JC Turning

Features

Read full description

The car accelerometer can be set through this software. . 1 Quickly search for surrounding automotive hardware computing hardware hardware information 2 After connecting, you can directly modify the hardware parameters

Screenshots

RSiAJP Lite4 screens

JC Turning1 screens

Verdict

The call

The clearest difference is device support: RSiAJP Lite at 4 against JC Turning's 2. JC Turning's advantage is iOS requirement (9.0 vs 14.0). On price, update cadence, ads and in-app purchases 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

RSiAJP Lite ships an update every 2 months, JC Turning every 6 weeks. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 4 level

RSiAJP Lite versus JC Turning: the parameters behind the verdict, then further details
Parameter	RSiAJP Lite	JC Turning
Price	Free	Free
Update frequency	Every 2 months	Every 6 weeks — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod, Mac — better	iPhone, iPod
Requires iOS	14.0	9.0 — better
Further details — not scored
Size	33 MB	18 MB
Age rating	4+	4+
Developer	Grenat	鹏彭

In-app purchases

None

RSiAJP Lite

No in-app purchases

None

JC Turning

No in-app purchases

Questions

Is RSiAJP Lite free?

RSiAJP Lite is free to download, with no in-app purchases.

Is JC Turning free?

JC Turning is free to download, with no in-app purchases.

Do RSiAJP Lite or JC Turning have ads?

Neither RSiAJP Lite nor JC Turning shows ads.

Which is updated more often, RSiAJP Lite or JC Turning?

RSiAJP Lite ships an update every 2 months, and JC Turning every 6 weeks. Most recently, RSiAJP Lite was updated on November 2, 2026 and JC Turning on October 25, 2026.