Brain Therapy vs KB Fit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Brain Therapy
This app uses neurosynchronization techniques to help users achieve optimal mental states for stress, energy, sleep, and more. It aims to improve brain hemisphere synchronization for enhanced relaxation, optimism, and cognitive processes.
- Achieve optimal mental states
- Improve stress management
- Enhance energy levels
- Promote relaxation and sleep
- Boost willpower and memory
- Enrich thinking processes
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The brain therapy brought by Dr Lefebure's Methods' neurosynchronizer allows you to obtain optimal states of mind, according to your needs. STRESS EMOTIONS ENERGY RELAXATION SLEEP CALM WILLPOWER READING MEMORY 60 years of diffusion and many international prizes guarantee the efficiency of Dr Lefebure's neurosynchronizer. Discovered by Doctor Lefebure, neurosychronization consists in hearing alternating sounds in turns in the right and the left ear, at a regular rhythm, thus creating a rhythm in your thoughts. The rhythms of neurosychronization improve the synchronization of the cerebral hemispheres, and thus produce a feeling of relaxation, more optimism, an enrichment of thinking processes, an improvement of the personality, of creativity and the artistic sense, as well as a relief from certain disorders. This way, when the two hemispheres of the brain function in a synchronized fashion, it is possible to achieve highly coherent and productive states of mind.
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.
- 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
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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
Verdict
The clearest difference is rating: KB Fit at 5.0 against Brain Therapy's 4.0. KB Fit also leads on in-app purchases (none vs 7) and update cadence (every 3 weeks vs every 2 months). Brain Therapy's advantage is iOS requirement (12.0 vs 15.0). On price, review sentiment, ratings volume and ads 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. Brain Therapy sells 7 one-off in-app purchases. KB Fit asks for nothing beyond the download.
KB Fit holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Brain Therapy ships an update every 2 months, KB Fit every 3 weeks. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.
| Parameter | Brain Therapy | KB Fit |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 16 MB | 132 MB |
| Age rating | 4+ | 17+ |
| Developer | Francesc Celma | Kelsey Barnes |
Customer experience
Brain Therapy
KB Fit
In-app purchases
Brain Therapy
- Therapy pack$0.99
- Vital energy pack$0.99
- Emotion pro pack$1.99
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- Energy pro pack$1.99
- Relaxation pro pack$1.99
- Astral projection$1.99
- Neurosynchronization book - Alternative Audition$1.99
KB Fit
No in-app purchases









