SATS vs Boost System
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SATS
Enhance your fitness journey with personalized training experiences. Discover new classes, book sessions with personal trainers, and participate in challenges. Connect with friends, track your progress automatically, and utilize exclusive rewards and discounts.
- Discover and book group classes
- Book personal training sessions
- Join fitness challenges
- Connect and motivate friends
- Automatic workout activity tracking
- Manual activity logging
- Access and use rewards/discounts
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We want to inspire you to be healthy and happy. To make sure you get the most out of your SATS membership, we aim to deliver better training experiences through this app. GET INSPIRED Discover new classes, check out PTs or go straight to one of your most booked sessions. Want an extra push? Try joining one or several challenges. Maybe you are like us and feel inspired when you train with friends? Add friends, see their group classes or invite them to yours. Like and comment their training to motivate each other*. *The social experience is optional and can be turned off completely. SEARCH, FIND & BOOK WORKOUTS\nFind and book the perfect group class or book a PT that can help you on your way to reach your goals, all added to your personal calendar if you want to. If you book a class and something changes, we will notify you from the app. THE KEY TO THE GYM Use the app as a partner to the clubs, log in with your personal QR code, which can also be found on your wearable. KEEP TRACK Activities that are performed at our clubs are automatically added; check-ins, group classes and PT sessions. While your activities outside are also easy to add manually in the app. SEE AND USE YOUR REWARDS In SATS you earn extra benifits and discounts for working out or being loyal! All these can be found and used from the app. --------------------------------- We will continue to upgrade this app frequently, so stay tuned for updates! Do you have feedback about the app? Then tell us what you think. You can do this directly in the app.
Boost System
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Boost is an app for members in gyms connected to BoostSystem. In this app you can book classes, open the front door, and see all information linked to your gym membership. You can access: - Door opener. No more access cards. Open the door directly from the app. - My profile. A history of all your payments, bookings, and visits. - Booking. Book your future classes in the app. - Center information. Get an overview of when the center is crowded and when there is plenty of space. Contact information.
Screenshots
Verdict
The clearest difference is update cadence: SATS at fortnightly against Boost System's every 2 months. Boost System's advantage is iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support 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.
SATS ships an update fortnightly, Boost System every 2 months. The most recent releases landed on August 28, 2026 and June 1, 2026 respectively.
| Parameter | SATS | Boost System |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (245 ratings) — better | — |
| Positive reviews | 28.6% of reviews | — |
| Number of ratings | 245 — better | — |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPod |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 233 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | HFN | Cerum AS |
In-app purchases
SATS
No in-app purchases
Boost System
No in-app purchases
