IMSA vs Membres ACO
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.
Membres ACO
Access your digital membership card for ACO Club Members. This app lets you easily manage your membership and engage with your passion.
- Digital membership card
- Manage membership
- Access club benefits
- Stay updated on events
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"Membres ACO" is the perfect partner for ACO Club Members. This app allows you to live your passion with your digital membership card always at hand.
Screenshots
Verdict
The clearest difference is rating: Membres ACO at 4.7 against IMSA's 4.1. Membres ACO also leads on ads (none vs shown) and monetization model (free vs ad-supported). IMSA's advantage is ratings volume (69 vs 3). On price, review sentiment, update cadence 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Membres ACO holds the better App Store score, 4.7 against 4.1. That said, the two scores are not equally well evidenced: IMSA has 69 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 28% of IMSA's written reviews are positive against 30% of Membres ACO's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.
| Parameter | IMSA | Membres ACO |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (69 ratings) | 4.7 (3 ratings) — better |
| Positive reviews | 28.3% of reviews | 29.7% of reviews — better |
| Number of ratings | 69 — better | 3 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 93 MB | 113 MB |
| Age rating | 12+ | 12+ |
| Developer | International Motor Sports Association, LLC | SSP ACO |
Customer experience
IMSA
Membres ACO
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
Membres ACO
Not enough reviews yet to summarise bugs or requests.
In-app purchases
IMSA
No in-app purchases
Membres ACO
No in-app purchases
