About JV Chrono LapTimer
JV Chrono is a GPS laptimer, OBD reader, video recording with overlays and analysis system for all types of events related to the motoring world or outdoor sports. • Laptimer for loop and point-to-point tracks. •
JV Chrono is a GPS laptimer, OBD reader, video recording with overlays and analysis system for all types of events related to the motoring world or outdoor sports.
• Laptimer for loop and point-to-point tracks.
• External GPS and OBD II compatible.
• Video recording with overlays.
• Steering wheel and byke lean angle measurement.
Perfect for loop or point-to-point tracks ("LAPTIMER" mode), B roads (“OBD II" mode) and acceleration measurements ("DRAG RACE" mode).
Improve your driving skills during the session. The app shows your
current position within the track (very useful when the track is unknown) with the areas where you have gained/lost time or gone faster/slower than the reference lap. Modify the racing line and immediately see if you have improved or not. Improve regularity thanks to the
predictive lap time .
Analyze your laps and share your data with your friends. The app includes an advanced analysis tool to improve your driving and compare different laps, including laps from your friends. The app synchronizes automatically and plays the videos recorded during the session to analyze them together with the data. Export data to different formats including
Google Earth or CSV to generate
video overlays .
Focus on driving and avoid looking at the device’s screen. Lets the app play
voice messages with the elapsed or delta time with the reference lap. Introduce notes with any text to be played when crossed to remember braking points or the racing line to follow. Perfect for bikers with a bluetooth headset.
Get the most out of your device's sensors. Measure the
steering wheel angle to analyze understeer or oversteer, or get the byke
lean angle .
Record
video with overlays during the session without postprocessing. The app includes in the video the current speed, acceleration, track position or vehicle data obtained by OBD. Use the "REMOTE" mode to control another device like an action camera, recording from the most impressive point.
Only app that increases safety on track. It includes a
proximity alert to detect other app users that are close to you in other to notify that you will overtake or being overtaken. Avoid accidents or lost time behind slower vehicles that haven’t seen you.
Connect a
Bluetooth OBD ELM327 device and record vehicle data like rpm, accelerator command or engine temps. It includes a gear shift light and sound indicator and coolant/oil temp alerts. Analyze your heel and toe with the gear ratio parameter. Data is recorded at
maximun rate, regardless of GPS rate .
JV CHRONO MAIN FEATURES:
• Interpolates data to obtain precise lap times.
•
Running in the background . Designed to carry the device locked in your pocket. Voice messages are still played.
• Select the reference lap between the last, best or ideal lap.
• Supports internal GPS and
external GPS bluetooth device .
• Configure commands from a bluetooth device (headset or car radio). Handle the app using gloves.
• Continue sessions, record data without track or change track to a finished session.
• 150+ predefined tracks included in the app from 23 countries.
• Edit track screen to create your own tracks.
• Import and export sessions and tracks to exchange them between devices.
•
Help dialogs on each screen of the app and quick start guide.
• Texts in
English and Spanish .
• Voice messages in
English, Spanish, German, French, Italian and Portuguese .
For any question or support, please visit our website (https://sites.google.com/view/jvdesign-jvchrono/) or send us an email to
[email protected]
Previous Versions
Here you can find the changelog of JV Chrono LapTimer since it was posted on our website on 2016-11-05 19:06:19.
The latest version is 4.4 and it was updated on 2026-06-29 12:08:12. See below the changes in each version.
JV Chrono LapTimer version 4.4
Updated At: 2024-12-21
Changes: v 4.4
• New layout in laptimer mode.
• Compatible with the latest Android version.
• Interface and performance enhancements.
JV Chrono LapTimer version 4.3
Updated At: 2024-07-14
Changes: v 4.3
• New layout in laptimer mode.
• Compatible with the latest Android version.
• Interface and performance enhancements.
JV Chrono LapTimer version 4.2
Updated At: 2023-11-04
Changes: v 4.2
• New layout in laptimer mode.
• Compatible with the latest Android version.
• Interface and performance enhancements.
JV Chrono LapTimer version 4.1
Updated At: 2021-05-26
Changes: v 4.1
. Automatic selection of GPS and OBD devices.
. New sensor calibration screens.
. New help screens.
. Interface and performance enhancements.
JV Chrono LapTimer version 4.0
Updated At: 2021-02-10
Changes: v 4.0
. Automatic selection of GPS and OBD devices.
. New sensor calibration screens.
. New help screens.
. Interface and performance enhancements.
JV Chrono LapTimer version 3.9
Updated At: 2019-04-14
Changes: v 3.9
. Session analysis with simultaneous video playback.
. Selection between Loop or Point-to-Point tracks.
. New session type names.
. Full or partial (select laps) copy of a session.
. Interface and performance enhancements.
JV Chrono LapTimer version 3.6
Updated At: 2017-03-23
Changes: v 3.6
• New interface with Material Design.
• Measurement of steering wheel angle and byke lean angle.
• New simplified session startup.
• New remote mode to use another device like an action camera or remote sensor.
• OBD compatibility improvements.
JV Chrono LapTimer version 3.5
Updated At: 2016-08-20
Changes: v 3.5,• Laptimer mode: Select the data shown on each screen. Set the position, color and data displayed.,• Laptimer mode: contrast improvements.,• Session analysis: bugs fixed.,Previous versions:,• Video recording with overlays (4.3 or higher). The app records videos during the session without postprocessing. Video overlays include GPS data, OBD data, track position, accelerations or light sequence.,• New OBD parameters (selected gear, power, torque, fuel consumption and turbo boost)
Disclaimer
Official Google Play Link
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