Estimated from the grossing charts of Oct 21, 2026 in the 53 countries we track, and ratings growth on the App Store.
From our daily snapshots of every grossing chart.
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Measured from the store, not estimated.
From the latest 41 reviews on the Japan App Store, Dec 9, 2014 to Jun 4, 2025: 5% are 1 or 2 stars. Open a theme to read what people wrote.
Only 2 of the latest 41 reviews are 1 or 2 stars, too few to find patterns. Users are mostly happy.
Nothing stands out.
14 of the 4 and 5 star reviews.
★★★★★ You have to figure it out a bit at the start, but this app works great and detects the cars really easily.
★★★★★ The app works flawless on an HO slot car track. This app has all the needed info to set it up properly to get it to work.
★★★★★ Still, for the price and what i needed this for it works great!
10 of the 4 and 5 star reviews.
★★★★★ Easy to use with many different settings.
★★★★★ Best bang for your buck easy setup
★★★★★ Hats off to the developer, simple and fun!
Found by matching words and phrases in the reviews, not read by a person. A review can count toward more than one theme.
Latest reviews, Japan App Store.
I found out via forums & You Tube about this app being good for slot car hobbyist. And in deed it is. I use it every time I play with my set. Easy to use with many different settings. Makes racing more exciting & challenging timing your laps. Many thanks to Lap-tracker.
Best bang for your buck easy setup
You have to figure it out a bit at the start, but this app works great and detects the cars really easily. worth your money.
The best for a four lane track, no wiring involved just set, calibrate, and race. Hats off to the developer, simple and fun!
I purchased lap tracker to use with my HO slot cars and it works fantastic. I’ve mentioned it numerous time on slot car groups and it gets a very high rating from other users too. Thanks it’s a great app.
I use this on my four lane 1/64 scale slot car layout. I use a cable from my IPad to on old computer monitor so everyone car see the screen. It is a little finicky but better than the expensive alternatives. I wish the screen would go landscape.
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Most repeated terms in the listing. Highlighted ones also appear in the title.
Released Aug 28, 2013. Current version shipped Jun 15, 2017.
Prices, ranks and reviews are per country. Revenue above is already worldwide.
