ROUSH Lap Timer vs KartRacers
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ROUSH Lap Timer
Record and analyze your vehicle's performance on the track. This app generates in-car video with data overlays and allows for detailed performance analysis to help improve your driving.
- Record vehicle performance
- Analyze track data
- Generate in-car video with data overlays
- Measure performance impact
- Integrate with Health Kit data
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The ROUSH LapTimer application, co-developed with the creator of Harry's LapTimer, let’s you push your vehicle to the limit while recording everything for later playback and evaluation. This high-precision tool will improve your driving ability by letting you see where you can go faster on any track. ROUSH’s LapTimer generates beautiful in-car video recordings with an overlay of vehicle data, ready to be presented on YouTube or other social media sites. Even without video, recorded data from your track day can be analyzed using pre-set views, making it easy to analyze and improve your driving performance. In case heart rates were recorded using Heath Kit, this data can be overlaid to recordings too. Using the ROUSH lap timer, you can change vehicle settings and accurately measure performance impact on your track times.
KartRacers
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KartRacers is an app designed for managing kart race entries, approvals, and event participation. It allows racers to register, track their status, and receive updates, while organizers can approve entries and enforce requirements like ASN release letters and Entrant License requirements.
Screenshots
Verdict
The clearest difference is price: KartRacers at Free against ROUSH Lap Timer's $27.99. KartRacers also leads on update cadence (every 3 weeks vs every 3 months). On ads, in-app purchases, 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
KartRacers is free to download; ROUSH Lap Timer costs $27.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ROUSH Lap Timer ships an update every 3 months, KartRacers every 3 weeks. The most recent releases landed on October 29, 2026 and October 8, 2026 respectively.
| Parameter | ROUSH Lap Timer | KartRacers |
|---|---|---|
| Price | $27.99 | Free — better |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 14.0.0 — better |
| Further details — not scored | ||
| Size | 68 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | Harald Schlangmann | Steven Jacskon |
In-app purchases
ROUSH Lap Timer
No in-app purchases
KartRacers
No in-app purchases
Questions
Is ROUSH Lap Timer free?
Is KartRacers free?
Do ROUSH Lap Timer or KartRacers have ads?
Which is updated more often, ROUSH Lap Timer or KartRacers?
Other comparisons
