# RaceChrono Pro vs LoEUC

The clearest difference is price: LoEUC at Free against RaceChrono Pro's $19.99. LoEUC also leads on in-app purchases (none vs 3). RaceChrono Pro's advantage is chart position (#9 vs unranked). On update cadence, ads, device support and iOS requirement there is nothing between them.

LoEUC is free to download; RaceChrono Pro costs $19.99 up front. RaceChrono Pro sells 3 one-off in-app purchases. LoEUC asks for nothing beyond the download.

RaceChrono Pro ships an update monthly, LoEUC every 3 weeks. The most recent releases landed on October 26, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | RaceChrono Pro | LoEUC |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | **[4.7 (184 ratings)](https://appshunter.io/ios/app/racechrono-pro/id1129429340/reviews)** | — |
| Number of ratings | **184** | — |
| Positive reviews | 57.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Freemium | — |
| Best chart rank | **#9** | — |
| Size | 43 MB | 17 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [RaceChrono Oy](https://appshunter.io/developer/1056547888) | [Nikita Vasilevskii](https://appshunter.io/developer/6796610246) |

## What reviewers say

### RaceChrono Pro

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

**Currently charting:** #9 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 |


### LoEUC

[App page](https://appshunter.io/ios/app/loeuc/id6796610243)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RaceChrono Pro free?

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

### Is LoEUC free?

LoEUC is free to download, with no in-app purchases.

### Do RaceChrono Pro or LoEUC have ads?

Neither RaceChrono Pro nor LoEUC shows ads.

### Which is updated more often, RaceChrono Pro or LoEUC?

RaceChrono Pro ships an update monthly, and LoEUC every 3 weeks. Most recently, RaceChrono Pro was updated on October 26, 2026 and LoEUC on October 16, 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.*