# ROUSH Lap Timer vs RaceChrono Pro

The clearest difference is review sentiment: RaceChrono Pro at 57% against ROUSH Lap Timer's 0%. RaceChrono Pro also leads on rating (4.7 vs 1.0) and price ($19.99 vs $27.99). ROUSH Lap Timer's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 15.6). On ads and device support there is nothing between them.

ROUSH Lap Timer costs $27.99 and RaceChrono Pro $19.99 up front. RaceChrono Pro sells 3 one-off in-app purchases. ROUSH Lap Timer asks for nothing beyond the download.

RaceChrono Pro holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: RaceChrono Pro has 174 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 57% of RaceChrono Pro's.

ROUSH Lap Timer ships an update every 3 months, RaceChrono Pro monthly. The most recent releases landed on September 18, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | ROUSH Lap Timer | RaceChrono Pro |
| --- | --- | --- |
| Price | $27.99 | **$19.99** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/roush-lap-timer/id1036143036/reviews) | **[4.7 (174 ratings)](https://appshunter.io/ios/app/racechrono-pro/id1129429340/reviews)** |
| Number of ratings | 1 | **174** |
| Positive reviews | 0.0% of reviews | **57.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Paid | **Freemium** |
| Best chart rank | — | **#16** |
| Size | 71 MB | 43 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Harald Schlangmann](https://appshunter.io/developer/307688601) | [RaceChrono Oy](https://appshunter.io/developer/1056547888) |

## What reviewers say

### ROUSH Lap Timer

[App page](https://appshunter.io/ios/app/roush-lap-timer/id1036143036)

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.

**Highlights:** Record vehicle performance, Analyze track data, Generate in-car video with data overlays, Measure performance impact, Integrate with Health Kit data

**In-app purchases:** none


### RaceChrono Pro

[App page](https://appshunter.io/ios/app/racechrono-pro/id1129429340)

**Currently charting:** #16 Top Paid · Sports (US App Store)

This app serves as a comprehensive lap timer and data logger for motorsports, enabling users to record and analyze performance. It offers video recording with data overlays and supports a wide range of external GPS and OBD-II devices for enhanced accuracy.

**Highlights:** Lap timing with sectors and optimal lap, Track library with over 2600 pre-made tracks, Data analysis with synchronized graphs and maps, Predictive lap timing, Video recording with data overlay, Support for external GPS and OBD-II devices, Unlimited session length

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reference session 3 | $0.99 | one-time |
| Reference session 2 | $4.99 | one-time |
| Reference session 1 | $8.99 | one-time |


## Frequently asked questions

### Is ROUSH Lap Timer free?

ROUSH Lap Timer costs $27.99, with no in-app purchases.

### Is RaceChrono Pro free?

RaceChrono Pro costs $19.99, and also offers in-app purchases.

### Which has better reviews, ROUSH Lap Timer or RaceChrono Pro?

RaceChrono Pro is rated higher. ROUSH Lap Timer averages 1.0 out of 5 from 1 ratings, while RaceChrono Pro averages 4.7 from 174 ratings.

### Do ROUSH Lap Timer or RaceChrono Pro have ads?

Neither ROUSH Lap Timer nor RaceChrono Pro shows ads.

### Which is updated more often, ROUSH Lap Timer or RaceChrono Pro?

ROUSH Lap Timer ships an update every 3 months, and RaceChrono Pro monthly. Most recently, ROUSH Lap Timer was updated on September 18, 2026 and RaceChrono Pro on October 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*