ROUSH Lap Timer vs RaceStudio 3
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.
RaceStudio 3
This app provides powerful motorsport data analysis tools on your mobile device. Manage your racing equipment, review performance metrics like lap times and track trajectories, and fine-tune your vehicle setup from anywhere.
- Performance analysis (lap times, charts, trajectories)
- AiM device management
- Session download and analysis
- Track map management
- Firmware updates
- Profile customization and sharing
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From the pit to the track, RaceStudio App puts the full power of AiM RaceStudio 3 in your pocket. Manage your devices, analyze your sessions, and fine-tune your setup — quickly, intuitively, wherever you are. With RaceStudio App you can: ∙ Analyze your performance: lap times, detailed charts, and track trajectories ∙ Manage your AiM devices: set parameters, download sessions, calibrate sensors, manage track maps, update firmware ∙ Customize your profile: log in, set preferences, and share sessions via AiM Cloud ∙ and much more. Take your data analysis where it matters most: trackside.
Screenshots
Verdict
The clearest difference is review sentiment: RaceStudio 3 at 50% against ROUSH Lap Timer's 0%. RaceStudio 3 also leads on price (Free vs $27.99) and rating (2.8 vs 1.0). ROUSH Lap Timer's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 18.0). On 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
RaceStudio 3 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.
RaceStudio 3 holds the better App Store score, 2.8 against 1.0. That said, the two scores are not equally well evidenced: RaceStudio 3 has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of ROUSH Lap Timer's written reviews are positive against 50% of RaceStudio 3's.
ROUSH Lap Timer ships an update every 3 months, RaceStudio 3 fortnightly. The most recent releases landed on September 18, 2026 and September 22, 2026 respectively.
| Parameter | ROUSH Lap Timer | RaceStudio 3 |
|---|---|---|
| Price | $27.99 | Free — better |
| Rating | 1.0 (1 ratings) | 2.8 (6 ratings) — better |
| Positive reviews | 0.0% of reviews | 50.0% of reviews — better |
| Number of ratings | 1 | 6 — better |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 71 MB | 167 MB |
| Age rating | 4+ | 4+ |
| Developer | Harald Schlangmann | AIM tech SRL |
Customer experience
ROUSH Lap Timer
RaceStudio 3
In-app purchases
ROUSH Lap Timer
No in-app purchases
RaceStudio 3
No in-app purchases
