BRPDiag vs PWC Lab
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BRPDiag
This application acts as a data logger for Sea Doo watercrafts, helping owners monitor performance and prevent costly repairs. It records information from onboard sensors and external sensors, providing real-time data and downloadable logs for analysis.
- Real-time data logging
- Onboard sensor monitoring
- External sensor support (Lambda/AFR)
- Record to internal memory
- Online log viewing
- Downloadable Excel logs
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Link for login to server: www.vtechtuning.us/brpdiag Data logger for Sea Doo watercrafts! No matter if you run a stock or tuned PWC. Data logging can save you big money by avoiding costly repairs and giving you optimum performance. Now you can log you PWC and see what is going on before something happens! - Is the fuel mixture to rich or lean? - Is the intercooler working properly? - What intake temperature do you have? - What boost pressure do you have? - Is ECU closing the throttle? This and much more info can be recorded from onboard sensors and added lambda/ afr sensor. The logger is very easy to operate and install .It connects to watercraft via OBD connector. By this connector it gets power and onboard sensors, logger have a built in lambda / afr controller with quick connector for LSU 4.2. You can view values in real time while you drive the ski, you can also record to the loggers internal memory. The sampling time is up to 20 times / sec! So you can have a very good resolution on the data. This is very good for acceleration runs where you need as much data as possible. These logs can then be viewed online on our server and also downloaded as excel files to study. The data logger works with both stock and tuned watercrafts. From 2004-2013 Know what is happening BEFORE it breaks!
PWC Lab
This app transforms your iPhone into a GPS-verified performance tracker for jet skis. Record speed runs, acceleration benchmarks, and track your watercraft's modifications and maintenance. Connect with other riders on the water, compete on leaderboards, and earn badges for your achievements.
- GPS-verified speed and acceleration runs
- Jet ski build tracking and maintenance log
- Group ride organization and social features
- Customizable speed display
- Leaderboards and personal records
- Rider progression badges
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PWC Lab helps you record and review personal watercraft rides using your iPhone's GPS. RIDE RECORDING — Record your route, speed and acceleration data, then revisit saved rides, maps and available performance measurements. GPS measurements depend on signal quality and conditions; they are not an independent performance certification. GARAGE — Keep your watercraft profiles, modifications, maintenance information and ride history together. RIDERS & MEET UPS — Discover riding areas, connect with other riders and organize group rides. Location sharing is optional and controlled in the app. LEADERBOARDS — Compare eligible recorded runs by available ski, class and location categories. OPTIONAL LINK HARDWARE — Connect compatible PWC Lab Link hardware for supported engine telemetry. Available data and functions depend on the connected hardware and watercraft. Phone GPS recording can be used without a Link. PWC Lab supports personal watercraft profiles for Sea-Doo, Yamaha and Kawasaki. Hardware compatibility varies. Always ride responsibly. Set up the app before riding and stop in a safe place before interacting with it.
Screenshots
Verdict
The clearest difference is update cadence: PWC Lab at every 2 weeks against BRPDiag's every 3 months. PWC Lab also leads on ratings volume (5 vs 1). BRPDiag's advantage is iOS requirement (5.1.1 vs 16.4). On price, rating, ads and in-app purchases 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.
On the App Store both sit at effectively the same score — 5.0 for BRPDiag against 5.0 for PWC Lab. That said, the two scores are not equally well evidenced: PWC Lab has 5 ratings behind it against 1, so its average is the more settled of the two.
BRPDiag ships an update every 3 months, PWC Lab every 2 weeks. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.
| Parameter | BRPDiag | PWC Lab |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (5 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 5 — better |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 5.1.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 36 MB | 88 MB |
| Age rating | 4+ | 4+ |
| Developer | V-tech Tuning S.C. | mike march |
Customer experience
BRPDiag
PWC Lab
In-app purchases
BRPDiag
No in-app purchases
PWC Lab
No in-app purchases








