QRacing vs MotionTrace
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QRacing
Analyze motorsports race data with lap timing, video recording, and data overlay. Compatible only with Qstarz GT BLE GPS devices, it offers detailed analytics for drag and circuit racing.
- Lap timing and plot chart analysis
- Video recording with data overlay
- Lap, Sector, and Split time delta comparison
- Auto detect global circuit tracks
- Drag modes by Speed, Distance, 1/4 mile
- Session data export to CSV
- Racer and Garage management
Read full descriptionHide full description
QRacing is a Lap timing analytics application for motorsports in use with Qstarz GT devices. It provides diversified features to analyze race data, as well as record video on your phone and overlaying with logged data. Please note: Only Qstarz GT BLE GPS device owners will be able to use this app. The main features are as below: 1. Apply to Drag Race and Circuit Race 2. Lap timing and plot chart analysis 3. Video recording on your phone and sharing with data overlay 4. Lap, Sector, and Split time delta comparison 5. Auto detect global circuit tracks 6. Drag modes by Speed, Distance, 1/4 mile, or 0-Speed-0 7. Historical session in list and playback 8. Track Ranking 9. Session data export to CSV format 10. Racer and Garage management 11. Session backup and restore (Note: Backup doesn't contain videos) Languages: English, Japanese, German, and Traditional Chinese. Requirements: - Require iOS 12.0 or later - Suggest iPhone 8 or newer models - For use with Qstarz LT-8000GT / BL-1000GT / BL-818GT products
MotionTrace
Read full descriptionHide full description
Dynamic Trajectory — Every Ride Leaves a Trace On the road, you feel more than just the wind—you feel the physical feedback of every acceleration, bump, and lean. These experiences shouldn't just exist in the moment; they deserve to be recorded, reviewed, and analyzed. Dynamic Trajectory is a motion-sensing recording App crafted specifically for power-driven vehicles. Combining vibration sensors, speed tracking, and GPS positioning, it transforms your phone into a "road-feel black box," faithfully recording every vibration and acceleration burst mapped directly to your route. Whether you are an off-road enthusiast, motorcycle rider, cyclist, vehicle tester, or simply curious about your vehicle's suspension performance, Dynamic Trajectory reveals the sensory data invisible to the naked eye. Key Highlights: Inclinometer Detection: Real-time device lean-angle sensing lets you master every pitch and roll instantly. GPS Integration: Syncs all sensory data to the map for effortless section-by-section comparison. Vibration Analysis: Quantifies road harshness, surface quality, and off-road terrain difficulty at a glance. Auto Data Saving: Automatically generates comprehensive routes and analytical charts after every ride. Visualized Playback: Replay, analyze, and compare mapped routes with rich visual feedback. Use Cases: Off-Road / Mountain Riding: Track real-time vibration changes to analyze control limits. Long-Distance Cycling: Log speed and vibration distribution to identify smooth vs. challenging road sections. Daily Commute Road Tracking: Compare routes to find the smoothest path and avoid bumpy spots. Map Your Road Feel Turn every journey from mere memories into visible, comparable, and shareable data stories.
Screenshots
Verdict
The clearest difference is update cadence: MotionTrace at weekly against QRacing's every 3 weeks. QRacing's advantage is iOS requirement (12.0 vs 16). On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
QRacing ships an update every 3 weeks, MotionTrace weekly. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.
| Parameter | QRacing | MotionTrace |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) — better | — |
| Positive reviews | 16.7% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 16 |
| Further details — not scored | ||
| Size | 138 MB | 48 MB |
| Age rating | 4+ | 12+ |
| Developer | Qstarz International Co., Ltd. | YuHsien Chen |
In-app purchases
QRacing
No in-app purchases
MotionTrace
No in-app purchases









