FS8 vs Sonder Studios
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FS8
Book fitness classes, join programs, and track your progress. Discover healthy recipes and educational content to enhance your physical and mental well-being. Achieve your fitness goals with this comprehensive wellness companion.
- Book and schedule fitness classes
- Join 30-day fitness programs
- Track progress and set goals
- Discover healthy recipes
- Access educational wellness articles
- Book in-studio body scans
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Cultivate strength in both body and mind with the new FS8 member app. • Book classes, join waitlists and check class schedules. • Join FS8 Programs, set goals, complete check-ins and share your results. • Discover delicious and easy to make recipes. BOOK CLASSES - Book classes, join waitlists and check class schedules. With our exclusive FS8 booking experience see all of our workout brands you know and love as well as exactly whether its a cardio, strength, recovery or hybrid day. You can also book an in-studio body scan, helping you to understand your body composition and personal fitness journey. JOIN FS8 30-DAY PROGRAMS - Designed to elevate your physical, mental, and emotional well-being. Commit to consistency by participating in 20 classes in 30 days with a focus on the 8 scientifically-backed FS8 elements. The FS8 app extends your experience beyond the studio with weekly check-Ins and educational resources. DISCOVER RECIPES - Discover delicious recipes curated by world-class dietitians. Further your understanding about nutrition and wellbeing from industry experts through constantly updated articles. Achieve your health goals and cultivate strength in both mind and body.
Sonder Studios
Manage your account, book classes, and stay connected with this studio. Easily message staff, view announcements, and access shared content. A convenient way to engage with your fitness community.
- Account management
- Class and event booking
- Direct messaging
- Public feed for announcements
- Content sharing
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The Sonder Studios app makes it very easy for you to manage your Sonder Studios account, book into our classes and events and keep in touch with us. You can easily message us if you have a question or want to share something with us. You can also follow our public feed to see any announcements we make, promos we run, or content we share.
Screenshots
Verdict
The clearest difference is rating: Sonder Studios at 4.7 against FS8's 4.1. Sonder Studios also leads on review sentiment (100% vs 67%). FS8's advantage is update cadence (every 3 weeks vs every 9 months). On price, ratings volume, ads 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.
Sonder Studios holds the better App Store score, 4.7 against 4.1. Both are backed by a comparable volume of ratings — 23 and 23 respectively. Written reviews point the same way: 67% of FS8's written reviews are positive against 100% of Sonder Studios's.
FS8 ships an update every 3 weeks, Sonder Studios every 9 months. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.
| Parameter | FS8 | Sonder Studios |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (23 ratings) | 4.7 (23 ratings) — better |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 23 | 23 |
| Update frequency | Every 3 weeks — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 87 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | FS8 | Momence, Inc. |
Customer experience
FS8
Sonder Studios
In-app purchases
FS8
No in-app purchases
Sonder Studios
No in-app purchases
