Laptrap

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Everyone
100+
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Content rating
Everyone
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About this app

Turn your smartphone into a professional lap timer! RC is more fun with LapTrap.

LapTrap is an innovative app that measures RC car lap times using only your smartphone camera—no expensive transponders required.

[Key Features]
🏁 Multi-Car Timing: Tracks up to 50 cars simultaneously. Perfect for club races!
🧠 High Precision: AI (ID marker) recognition accuracy down to 1/100 of a second.
🗣️ Voice Announcements: Real-time audio updates while you drive, so you can focus on the track.
🔗 Host & Client Link: Separate the camera (Host) and your viewer (Client) via Bluetooth connection.
📊 Data Logs & Export: Saves driving data automatically. Easily compare setups with CSV export.

Just stick a marker on your car and you're ready to go. Smash your best lap today!

Turn your smartphone into a full-fledged lap timer! LapTrap makes RC racing even more fun.

LapTrap is an innovative app that allows you to measure RC lap times using only your smartphone's camera, without the need for expensive transmitters (transponders).

[Key Features]
🏁 Unrivaled Multi-Car Measurement: Simultaneous measurement of up to 50 cars is possible. Perfect for amateur races!
🧠 High-Precision Measurement: AI (ID marker) recognition achieves accuracy down to 1/100th of a second.
🗣️ Voice Announcement: Real-time voice guidance of times during driving. You can concentrate without looking at the screen.
🔗 Master/Slave Unit Integration: Bluetooth connection allows separation of the measurement camera (master unit) and the handheld monitoring unit (slave unit).
📊 Log Management: Driving data is automatically saved. Easy comparison of settings with CSV export.

All you need is to attach markers to your car. Now, let's beat your best lap time!
Updated on
Jun 24, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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What’s new

Bluetooth接続安定化: 背景での微弱信号により、スピーカーの省電力による「音の頭切れ」を完全に解消。

カメラ設定の最適化: 暗所での強制スポーツモードを廃止し、露出制御を改善。

検知率の向上: 明るさの目標値調整により、低照度環境でのマーカー検知精度を大幅に高めました。

Enhanced Bluetooth Stability: Prevented audio clipping by keeping speakers active with background signals.

Optimized Camera Settings: Removed forced Sports Mode for better low-light performance.

Improved Detection: Refined target brightness to significantly boost marker detection accuracy in dim environments.