RaceChrono Pro vs Rally Master
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RaceChrono Pro
This app serves as a comprehensive lap timer and data logger for motorsports, enabling users to record and analyze performance. It offers video recording with data overlays and supports a wide range of external GPS and OBD-II devices for enhanced accuracy.
- Lap timing with sectors and optimal lap
- Track library with over 2600 pre-made tracks
- Data analysis with synchronized graphs and maps
- Predictive lap timing
- Video recording with data overlay
- Support for external GPS and OBD-II devices
- Unlimited session length
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RaceChrono Pro is a versatile lap timer, data logging and data analysis app designed especially for use in motorsports, replacing your traditional lap timers and data loggers. The RaceChrono Pro app also enables you to record videos and overlay them with the logged data. RaceChrono apps have a strong following, currently over 100000 active users. If you look around at pits during your race or track day, chances are that you’ll see someone using RaceChrono. Even many professionals, such as factory test drivers and race driving instructors, are known to use this app! No matter whether you ride motorbikes, drive go-karts or cars, on closed circuit or special stage tracks – this is the motorsports app for you. RaceChrono Pro has following major features: • Lap timing with sectors and optimal lap • Track library of over 2600 pre-made race tracks • Custom user defined circuit and point-to-point tracks • Smoothly scrolling data analysis with synchronised graph, X/Y graph, map, video and comparison video • Predictive lap timing and time delta graph • Hardware accelerated video export with configurable data overlay • Multiple camera recording and picture-in-picture video export • Video recording using internal camera • Linking and synchronising video files from almost all action cameras • Support for external GPS receivers; Dragy Pro/DRG70/DRG70-C/Lite, RaceBox Mini/Mini S/Micro, Qstarz BL-818GT/BL-1000GT/LT-8000GT, Columbus P-9 Race, Dual XGPS 150/160, VBOX Sport, Garmin GLO • Support for OBD-II readers; OBDLink MX+ Bluetooth, OBDLink CX Bluetooth, Dragy OBD, Vgate vLinker FS, Vgate vLinker/iCar BLE, PLX Kiwi 3/4, Carista OBD2 Bluetooth, Tonwon BLE 1/2/Pro, Veepeak OBDCheck BLE, UniCarScan UCSI-2000, OBDLink MX Wi-Fi, generic Wi-Fi OBD-II • Support for Bluetooth LE heart rate monitors • Unlimited session length, good for 24 hour races • Session data export in .ODS (session summary for Excel), .NMEA, .VBO and .CSV formats
Rally Master
Easily create and manage rally courses with GPS checkpoints. Add, delete, and reposition checkpoints, and adjust timing information. Track registered teams and their readiness status.
- GPS checkpoint system
- Add, delete, and reposition checkpoints
- Adjust timing information
- View registered teams and status
- Course layout tool
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Easily lay out a course using the Richta GPS Checkpoint system. The Rally Master app allows you to add, delete and even drag to reposition checkpoints. After checkpoints have been added to the map, you can quickly adjust any timing related information. The app also allows you to see all teams who have registered and their ready-status.
Screenshots
Verdict
The clearest difference is review sentiment: RaceChrono Pro at 58% against Rally Master's 0%. RaceChrono Pro also leads on rating (4.7 vs 3.7) and ratings volume (184 vs 3). Rally Master's advantage is price (Free vs $19.99) and in-app purchases (none vs 3). On ads, device support and iOS requirement 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
Rally Master is free to download; RaceChrono Pro costs $19.99 up front. RaceChrono Pro sells 3 one-off in-app purchases. Rally Master asks for nothing beyond the download.
RaceChrono Pro holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: RaceChrono Pro has 184 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 58% of RaceChrono Pro's written reviews are positive against 0% of Rally Master's.
RaceChrono Pro ships an update monthly, Rally Master every 3 months. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.
| Parameter | RaceChrono Pro | Rally Master |
|---|---|---|
| Price | $19.99 | Free — better |
| Rating | 4.7 (184 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 57.6% of reviews — better | 0.0% of reviews |
| Number of ratings | 184 — better | 3 |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Best chart rank | #17 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 43 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | RaceChrono Oy | David Bireta |
Customer experience
RaceChrono Pro
Rally Master
In-app purchases
RaceChrono Pro
- Reference session 3$0.99
- Reference session 2$4.99
- Reference session 1$8.99
Rally Master
No in-app purchases
Questions
Is RaceChrono Pro free?
Is Rally Master free?
Which has better reviews, RaceChrono Pro or Rally Master?
Do RaceChrono Pro or Rally Master have ads?
Which is updated more often, RaceChrono Pro or Rally Master?
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