Comparison

Gym Cube vs KB Fit

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Gym Cube

This app provides a private gym experience, allowing users to locate nearby facilities, book sessions, and share their workouts with friends. It also functions as a digital key for entry.

Highlights
  • Find nearby private gyms
  • Book workout sessions
  • Share sessions with friends
  • Digital key for entry
  • Community access
Features
Read full description

The Gym Cube mobile app is your one-stop access to a revolutionary private gym experience. Join the Gym Cube community today and use the mobile app to conveniently 1. Find your closest Gym Cube 2. Book a session 3. Share your session with friends 4. Access your digital key to open the Gym Cube

About

KB Fit

This app offers personalized workout and meal plans to help you achieve your fitness goals. Track your progress, log meals, and connect with your coach for real-time support and video sessions. It integrates with health kits for comprehensive data analysis.

Highlights
  • Personalized workout plans
  • Customized meal plans
  • Nutrition, hydration, and habit tracking
  • 1-on-1 chat with coach
  • Video call sessions with coach
  • Progress tracking and analytics
  • Wearable device integration
Features
Read full description

Kick-start your fitness journey with KB Fit. Together with Kelsey Barnes, you'll have the best combination of nutrition & exercises available on a single app. With KB Fit, you can begin your fitness journey in no time. Get a fully personalized workout and meal plan tailored to your fitness goals. Progress tracking gets easier when you log your daily workout, record meals, update your check-ins and connect your fitness band & health kit, and get real-time updates via advanced analytical tools. Everything that contributes to your fitness goals gets captured in one place. To top it all, use the inbuilt 1-1 chat feature to have all your queries addressed on the go. You deserve to be the best. That’s why KB Fit have packed so many features in a single app to help you achieve your fitness goals. Start your journey today! Features that will help you achieve your fitness goals include: * Personalized Workout Plan: Get a fully personalized fitness plan tailored to your goals, whether it is to gain weight, lose weight, gain muscles, or simply wish to work on your general fitness. * Nutrition, Hydration & Habits: Access meal plans assigned by your coach and log your food intake to keep a close track of your calorie intake and macros. You can also track your hydration, steps and calories burnt on the app. * Instant messaging & video calls - Message your coach in real-time and schedule video sessions directly from the app. Stay connected with your coach to improve compliance and get better results. * Check-ins: Gain complete insight into your overall performance with easy check-ins and real-time updates. * Progress: Stay on top of your progress with powerful analytics. * Wearable integration: Get the bigger picture of your progress by connecting your fitness band & health kit thereby enabling real-time updates. Note regarding Apple Health: The app integrates with Apple Health to show your daily activity - distance, steps, active energy, and flights to help you better achieve your goals. App also uses Apple Health to track energy burned and heart rate during a workout session, if an Apple Watch is used. Workout metrics are shared with the coach to better design your workout schedule. DISCLAIMER: Users should seek a doctor’s advice before using this app and making any medical decisions.

Screenshots

Gym Cube4 screens
KB Fit4 screens

Verdict

The call

The clearest difference is ads: KB Fit at none against Gym Cube's shown. KB Fit also leads on update cadence (every 3 weeks vs every 2 months) and rating (5.0 vs 4.8). Gym Cube's advantage is ratings volume (18 vs 1). On price, review sentiment, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

KB Fit holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Gym Cube has 18 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Gym Cube ships an update every 2 months, KB Fit every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 6 level
Gym Cube versus KB Fit: the parameters behind the verdict, then further details
ParameterGym CubeKB Fit
PriceFreeFree
Rating4.8 (18 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings18 — better1
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size69 MB132 MB
Age rating4+17+
DeveloperThe Gym Cube, LLC.Kelsey Barnes

Customer experience

Gym Cube

All ratings17 ratings
Positive94.1%
Neutral0.0%
Negative5.9%
Written reviews8 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

KB Fit

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Gym Cube

No in-app purchases

None

KB Fit

No in-app purchases

Questions

Is Gym Cube free?
Gym Cube is free to download, with no in-app purchases.
Is KB Fit free?
KB Fit is free to download, with no in-app purchases.
Which has better reviews, Gym Cube or KB Fit?
KB Fit is rated higher. Gym Cube averages 4.8 out of 5 from 18 ratings, while KB Fit averages 5.0 from 1 ratings.
Do Gym Cube or KB Fit have ads?
Gym Cube shows ads; KB Fit does not.
Which is updated more often, Gym Cube or KB Fit?
Gym Cube ships an update every 2 months, and KB Fit every 3 weeks. Most recently, Gym Cube was updated on November 3, 2026 and KB Fit on November 4, 2026.

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