LapViz.Stopwatch vs Trackday Plot
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LapViz.Stopwatch
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Transform your timing experience with our app, designed for racing enthusiasts, whether it's cars, karting, motorcycles, horses or any other competitive individual. Whether you're a professional or an amateur racing fan, this app allows you to time multiple racers simultaneously and share the results in real-time with other users trackside. The app lets you precisely record lap times using simple push-button controls on the device itself or using an external Bluetooth input device. Each time a racer crosses the finish line, you can record the lap times for each competitor. But what makes this app stand out is its collaborative connected timing feature. With the shared session feature, you can create or join a timing session with other users. Once connected, your timer not only tracks your own lap times but also syncs with other session members. Together, you can track the performance of multiple racers at once, creating a true live timing experience collaboratively, without the need for expensive transponders or other passive tracking devices. Users within a session can view live lap times from all participants, providing a complete overview of the competition or training. The app automatically calculates the fastest laps and provides real-time statistics for each racer. This collaborative approach allows for comprehensive tracking of each racer’s performance during the race.
Trackday Plot
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Trackday Plot - Racing data analysis made simple Get powerful insights from your racing sessions with Trackday Plot, the ultimate tool for analyzing track performance data with ease and precision. ONE APP, ALL DEVICES Trackday Plot works across all your Apple devices. Whether you're reviewing data on your iPhone between sessions, analyzing detailed charts on your iPad, or conducting comprehensive analysis on your Mac. EASY-TO-USE RACING ANALYSIS • Interactive Track Map - Visualize your racing line with GPS data overlaid on detailed track map • Video Recordings - Load your accompanied video file for the session logs • Segment Analysis - Break down your laps into segments, compare your laps performance at each waypoint • Charts Plot - Analyze the telemetry data on informative smooth charts, instantly spot the gains or mistakes • Extended Data Analysis Features - Easily pick data differences, limits and consequences through provided in-app tools UNIVERSAL FILE SUPPORT • VBO, CSV and GPX Files - Import data from any telemetry logger or racing app through VBO or CSV file. Logs from external GPS devices also supported • Open GoPro Video Directly - The app parses embedded GPS logs out of the box • Smart Parsing - The app automatically detects various data formats and supports wide range of standards NATIVE UI, SMOOTH PERFORMANCE • Smooth, Native Performance - Built with Apple's latest UI framework for buttery-smooth interactions and crisp, detailed visuals • Perfect for Every Device - Optimized layouts for iPhone, iPad, and Mac with device-specific interfaces • Light or Dark Theme - Seamless light and dark theme support that adapts to your preferences Perfect for racing drivers, track day enthusiasts, and motorsport professionals who demand the best tools for analyzing their performance data.
Screenshots
Verdict
The clearest difference is update cadence: Trackday Plot at every 3 months against LapViz.Stopwatch's every 11 months. LapViz.Stopwatch's advantage is iOS requirement (12.2 vs 26.0). 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.
LapViz.Stopwatch ships an update every 11 months, Trackday Plot every 3 months. The most recent releases landed on September 12, 2026 and September 10, 2026 respectively.
| Parameter | LapViz.Stopwatch | Trackday Plot |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 12.2 — better | 26.0 |
| Further details — not scored | ||
| Size | 59 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Active Up SPRL | Volodymyr Ivanyshyn |
In-app purchases
LapViz.Stopwatch
No in-app purchases
Trackday Plot
No in-app purchases
Questions
Is LapViz.Stopwatch free?
Is Trackday Plot free?
Do LapViz.Stopwatch or Trackday Plot have ads?
Which is updated more often, LapViz.Stopwatch or Trackday Plot?
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