Dexian Timer
骞 魏 Sports iPhoneiPadiPod touch
Dexian Timer is a free Sports app for iPhone and iPad by 骞 魏. Requires iOS 15.5. Updated October 7, 2026.
- Price
- Free
- on the App Store
- Size
- 156 MB
- Age 4+
- Updated
- Oct 7
- 2026 · v1.4.2
Screenshots
About Dexian Timer
Dexian Timer is a professional lap timing and telemetry analysis tool designed exclusively for track day and karting enthusiasts. Fully compatible with the high-performance 25Hz Dexian D1 GPS, RaceChrono DIY protocol devices, and .VBO file imports, it delivers the ultimate smooth experience for lap timing and data review. KEY FEATURES: • High-Precision GPS Data: Supports external GPS receivers with up to a 25Hz update rate, completely eliminating the lag of built-in smartphone GPS. • Universal Video Auto-Sync (Patent Pending): A pioneering dynamic timestamp QR code solution that breaks device barriers, supporting ANY external camera or smartphone for video recording. Simply record the on-screen QR code before driving; upon import, the app visually scans it to achieve millisecond-perfect alignment between your video and telemetry data, completely eliminating tedious manual timeline adjustments. • Bluetooth OBD Telemetry: Support for connecting external Bluetooth OBD modules. Read real-time underlying vehicle performance data (such as Engine RPM and Throttle Position) perfectly synced with your GPS telemetry, making your data review and exported videos look like professional motorsport broadcasts. • Innovative Pit2Car Communication: Break the communication barrier between the car and the pit wall! Without needing any account registration, your pit crew or friends can use a web browser to send real-time commands (like "Box") directly to your live dashboard while you are driving. • Perfect Map Alignment in China: Automatically handles map coordinate conversions to completely eliminate the trajectory offset issues common in traditional apps. Your racing line aligns perfectly with the map. • Auto Lap Timing & Real-Time Delta: Intelligently detects your current track and automatically triggers timing when crossing the start/finish line. During your stint, it displays a precise, position-based real-time delta against your session's or day's best lap, letting you instantly know your current pace. • Session Analysis & Dual-Lap Comparison: A dedicated landscape analysis workspace seamlessly integrating map trajectories, telemetry graphs, and onboard videos. Features highly synchronized dual-video and data playback to compare two laps side-by-side, visually identifying fast and slow sectors to find exactly where to push harder. • Video Export with Data Overlay: Export your track highlight videos with professional telemetry HUDs with a single tap. Freely configure the overlay elements (speed, G-force friction circle, OBD data, etc.) to create highly personalized videos ready for easy sharing. • 1,000 Built-in Tracks: Pre-loaded with nearly 1,000 touring car and karting tracks worldwide. No manual start/finish line setup required—just arrive and race. POWERFUL COMPATIBILITY Supports any Bluetooth GPS receiver based on the RaceChrono BLE DIY protocol. Seamlessly imports and exports industry-standard .VBO files to perfectly integrate with your existing data ecosystem. IMPORTANT SAFETY DISCLAIMER Motorsport is inherently dangerous. This application is designed exclusively for use on closed-circuit tracks and professional racing facilities. DO NOT use this app on public roads. The data is for reference only. Always prioritize safe driving.
What’s new
Version 1.4.2 · Updated October 7, 2026
New Features: 1. Enhanced QR Code Recognition Engine: A massive upgrade for challenging conditions! We have introduced a more robust scanning algorithm and a deep frame-by-frame fallback analysis to handle night driving, distant camera placement, or blurry focus. This drastically improves the success rate of automatic video-telemetry synchronization without compromising our lightning-fast scan speed. 2. Phone Recording Management: Onboard videos recorded natively with your phone can now be directly saved and seamlessly migrated to your system Photos app. This provides centralized storage management. Improvements & Fixes: 1. Video Playback & Export Fixes: Fixed an issue on iOS where exporting telemetry data overlays with a transparent background could fail; added strict validation for Photos assets before cached playback and repaired legacy phone recording paths to prevent playback errors. 2. Track & Map Analysis: Analysis maps now strictly respect your customized start/finish gate width settings; fixed a race condition that caused track name localization errors during OTA track library updates; updated the built-in track data snapshot. 3. UX & Guidance Tweaks: Updated the safety and operational guidance for creating GPS-based custom tracks.
App privacy
The developer, 骞 魏, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Location: Precise Location
Used for: App Functionality
Alternatives to Dexian Timer
Looking for apps like Dexian Timer? Here are 6 similar apps on the App Store. The highest rated is ApexLap: Lap Timer & Telemetry (5.0/5), and 4 of the 6 are free to download.
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SatellCom
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Race Recorder Track Club
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ApexLap: Lap Timer & Telemetry
5.0
-
ApexHub
3.0
-
Race Telemetry Studio
-
BlazePush: GPS Lap Timer
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Dexian Timer | – | Free | October 7, 2026 | |
| SatellCom | – | Free | Aug 20, 2026 | Compare |
| Race Recorder Track Club | – | 2.99 USD | Aug 1, 2026 | Compare |
| ApexLap: Lap Timer & Telemetry | 5.0 / 5 (1) | Free | Oct 19, 2026 | Compare |
| ApexHub | 3.0 / 5 (2) | Free | Jul 2, 2026 | Compare |
| Race Telemetry Studio | – | Free | Sep 9, 2026 | Compare |
| BlazePush: GPS Lap Timer | – | 4.99 USD | Oct 12, 2026 | Compare |
Compare Dexian Timer with the top alternatives: ratings, updates, ASO score and keyword gaps →