KLASS vs Surbiton FitBox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KLASS
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The KLASS app makes it very easy for you to manage your KLASS 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.
Surbiton FitBox
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Guiding you through your health and fitness journey! - Book classes online in just a few clicks - Create your own exercise programmes or select from a range provided by the club - Track your progress from all your workouts - Keep track of your body measurements and progress - Contact club staff directly - Interact and get to know your fellow members - See all the latest club news, offers and events - Refer Friends to the club online - Recipes Library - Video Workout Library Apple Health App Integration Track your progress with our HealthKit app integration to import and measure your daily steps, distance or calories burnt. Also use HealthKit to import your data from a range of different wearable devices.
Screenshots
Verdict
KLASS and Surbiton FitBox are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
KLASS ships an update every 5 months, Surbiton FitBox every 3 months. The most recent releases landed on September 24, 2026 and September 15, 2026 respectively.
| Parameter | KLASS | Surbiton FitBox |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 14.0 — better |
| Further details — not scored | ||
| Size | 56 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Momence, Inc. | TeamUp Sports |
In-app purchases
KLASS
No in-app purchases
Surbiton FitBox
No in-app purchases
Questions
Is KLASS free?
Is Surbiton FitBox free?
Do KLASS or Surbiton FitBox have ads?
Which is updated more often, KLASS or Surbiton FitBox?
Other comparisons
