IMSA vs Marbles
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IMSA
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.
- Live video streaming
- IMSA Radio access
- Live timing and scoring
- Race weekend coverage
- WeatherTech SportsCar Championship
- Michelin Pilot Challenge
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The official IMSA mobile app features live video, IMSA Radio, timing and scoring and more during every IMSA WeatherTech SportsCar Championship and IMSA Michelin Pilot Challenge race weekend.
Marbles
This app brings IndyCar racing to your iPhone's home screen with customizable widgets. Track your favorite driver, team, or the overall championship standings at a glance. Enjoy real-time updates without needing an account or dealing with ads.
- Live championship standings
- Session countdowns
- Favorite driver/team tracking
- Season progress visualization
- No account required
- Ad-free experience
- Light and dark mode
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Marbles puts the IndyCar season on your iPhone home screen. Championship standings, session countdowns, and season progress: every classification, every round. WIDGETS AT A GLANCE • Next Session -- a clean countdown to the next practice, qualifying, or race, down to the minute • Championship Leader -- the points leader, refreshed live as the season unfolds • Favorite Driver -- pin your driver and track their championship position at a glance • Favorite Team -- your team's standing, right on your home screen • Season Progress -- at-a-glance bar chart showing how far into the season you are BUILT FOR FANS, NOT THE ALGORITHM - No accounts. No login. Use it the moment you open it. - No ads. No notifications begging for your attention. - No tracking: your preferences stay on your device, never on a server. - Light and dark mode for the app and widgets independently. -------------- *Marbles is unofficial and is not associated in any way with INDYCAR, LLC, the NTT IndyCar Series, Penske Entertainment Corp., the Indianapolis Motor Speedway, NTT, any specific racing team, or any driver. IndyCar, NTT IndyCar Series, Indianapolis 500, Indy 500, and related marks are trademarks of their respective owners, including INDYCAR, LLC and Penske Entertainment Corp. All assets used, including team and driver names, car numbers, and liveries, are owned by their respective teams, drivers, sponsors, organizers, and other entities. Marbles is an independent project and does not claim to have any official relationship or partnership with these organizations, any specific racing team, or any driver. Any references to the NTT IndyCar Series, the Indianapolis 500, or related marks are made solely for editorial purposes and do not imply any endorsement, sponsorship, or affiliation by their respective owners, any specific racing team, or any driver.* Privacy Policy: https://marblesindycar.com/privacy Terms of Use: https://marblesindycar.com/terms Support: hello@marblesindycar.com
Screenshots
Verdict
The clearest difference is ads: Marbles at none against IMSA's shown. Marbles also leads on update cadence (weekly vs every 2 months) and rating (4.3 vs 4.1). IMSA's advantage is ratings volume (70 vs 3). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Marbles holds the better App Store score, 4.3 against 4.1. That said, the two scores are not equally well evidenced: IMSA has 70 ratings behind it against 3, so its average is the more settled of the two.
IMSA ships an update every 2 months, Marbles weekly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | IMSA | Marbles |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (70 ratings) | 4.3 (3 ratings) — better |
| Positive reviews | 28.3% of reviews | — |
| Number of ratings | 70 — better | 3 |
| Update frequency | Every 2 months | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 93 MB | 17 MB |
| Age rating | 12+ | 4+ |
| Developer | International Motor Sports Association, LLC | Connor High |
Bugs and requests
IMSA
Reported bugs
8 issues- No portrait mode
- Hamburger menu issues
- Incompatible with newer devices
- Outdated information
- Crashes when opened
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- Login issues
- Slow performance
- Video playback issues
Requested features
5 requests- Apple TV app
- Notifications
- Landscape mode
- Live feed
- Live timing and scoring
Marbles
Not enough reviews yet to summarise bugs or requests.
In-app purchases
IMSA
No in-app purchases
Marbles
No in-app purchases
