# Sonoma Raceway vs IMSA

The clearest difference is rating: IMSA at 4.1 against Sonoma Raceway's 2.7. IMSA also leads on ratings volume (69 vs 15). Sonoma Raceway's advantage is update cadence (fortnightly vs every 2 months). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IMSA holds the better App Store score, 4.1 against 2.7. Both are backed by a comparable volume of ratings — 15 and 69 respectively. Written reviews complicate that: 33% of Sonoma Raceway's written reviews are positive against 28% of IMSA's, so the app with the better star average is not the one people write more warmly about.

Sonoma Raceway ships an update fortnightly, IMSA every 2 months. The most recent releases landed on September 16, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Sonoma Raceway | IMSA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (15 ratings)](https://appshunter.io/ios/app/sonoma-raceway/id534526478/reviews) | **[4.1 (69 ratings)](https://appshunter.io/ios/app/imsa/id789830071/reviews)** |
| Number of ratings | 15 | **69** |
| Positive reviews | **33.3% of reviews** | 28.3% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 203 MB | 93 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 12+ |
| Developer | [Speedway Motorsports, Inc](https://appshunter.io/developer/534526481) | [International Motor Sports Association, LLC](https://appshunter.io/developer/795198030) |

## What reviewers say

### Sonoma Raceway

[App page](https://appshunter.io/ios/app/sonoma-raceway/id534526478)

Enhance your event experience with official race day information, exclusive content, and personalized offers. Access news, photos, videos, live audio, and interactive features like Fan Cam and prediction contests.

**Highlights:** Event details and information, News, photos, and videos, Personalized offers and content, Live audio broadcast, Fan Cam with exclusive overlays, Sonoma FanZone with contests and offers

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### IMSA

[App page](https://appshunter.io/ios/app/imsa/id789830071)

Stay updated with every IMSA race weekend. Access live video, IMSA Radio, and real-time timing and scoring for the WeatherTech SportsCar Championship and Michelin Pilot Challenge series.

**Highlights:** Live video streaming, IMSA Radio access, Live timing and scoring, Race weekend coverage, WeatherTech SportsCar Championship, Michelin Pilot Challenge

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Brilliant app
- 👍 Great app
- 👍 Very informative
- 👍 Awesome app!
- 👍 Suburb

**What reviewers complain about**

- 🐛 This app would be amazing if you could actually watch the race on the live stream
- 🐛 Won't let me delete account
- 🐛 Timing and scoring terrible
- 🐛 Live scoring needs improvement
- 🐛 It's so broken

**Reported bugs**

- No portrait mode
- Hamburger menu issues
- Incompatible with newer devices
- Outdated information
- Crashes when opened

**Requested features**

- Apple TV app
- Notifications
- Landscape mode
- Live feed
- Live timing and scoring


## Frequently asked questions

### Is Sonoma Raceway free?

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

### Is IMSA free?

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

### Which has better reviews, Sonoma Raceway or IMSA?

IMSA is rated higher. Sonoma Raceway averages 2.7 out of 5 from 15 ratings, while IMSA averages 4.1 from 69 ratings.

### Do Sonoma Raceway or IMSA have ads?

Both Sonoma Raceway and IMSA show ads.

### Which is updated more often, Sonoma Raceway or IMSA?

Sonoma Raceway ships an update fortnightly, and IMSA every 2 months. Most recently, Sonoma Raceway was updated on September 16, 2026 and IMSA on September 24, 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.*