BELLr vs Kettlebel
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BELLr
This app helps kettlebell enthusiasts track and improve their swings with automatic counting and detailed analysis. It integrates with Apple Watch Activity Rings to keep you motivated towards your fitness goals.
- Automatic swing and set counting
- Detailed swing analysis
- Swing countdown workout
- Activity Ring integration
- Real-time performance metrics
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BELLr is a kettlebell workout companion built for kettlebell enthusiasts who want to take their training to the next level. Designed by a software engineer who shares a passion for kettlebell training, this app brings a unique approach to tracking and improving your swings. Whether you’re just starting or a seasoned athlete, BELLr provides insights and metrics to help you fine-tune your form and achieve your fitness goals. Features: • Swing Countdown Workout: Start with the “Swing Countdown” workout, where you set a target number of swings and aim to complete them quickly. More workout options will be added in future updates. • Automatic Swing and Set Counting: BELLr uses the power of the Apple Watch’s motion sensors to automatically detect and count your kettlebell swings and sets in real-time. • Detailed Swing Analysis: The app breaks down each swing to calculate exact timing and measure average power during the upswing, providing valuable feedback on your performance. • Activity Ring Integration: Workouts count towards your Apple Watch Activity Rings, keeping you motivated and on track to meet your fitness goals. • Work in Progress: Currently focused on 2-hand swings, with upcoming support for 1-hand swings and snatches. This is an early beta release, and the app is actively being developed in the creator’s spare time. More features and workouts are on the way, with continual updates to enhance the experience. Download BELLr now to start tracking your kettlebell workouts and join the journey as the app evolves!
Kettlebel
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Kettlebel is a kettlebell training app that generates personalized workouts based on your goals, equipment, and recovery status. INTELLIGENT WORKOUT GENERATION Choose your training goal — Strength, Hypertrophy, or Conditioning — pick a duration (15, 35, or 50 minutes) and intensity level. Kettlebel builds a structured session with warm-up, working blocks, and cool-down, selecting from 78 exercises matched to your available equipment and preferences. HEALTHKIT-POWERED READINESS Kettlebel reads your heart rate variability, resting heart rate, and sleep data from Apple Health to calculate a daily readiness score. The app recommends workout intensity based on how recovered you are — push hard when you are fresh, dial it back when you need rest. PROGRESS TRACKING Track volume trends, muscle group balance, and personal records over weeks, months, and quarters. Rate each session with RPE scoring. See your training streaks, unlock achievements, and hit journey milestones as your practice grows. 78 EXERCISES WITH VIDEO Every exercise includes muscle engagement maps, movement instructions, coaching cues, and video demonstrations. Filter by equipment (kettlebell, dumbbell, bodyweight), difficulty, and target muscles. APPLE WATCH COMPANION Start and track workouts from your wrist. Heart rate monitoring, live session data, and automatic workout logging to Apple Health. ALL DATA STAYS ON YOUR DEVICE No accounts, no servers, no tracking. Your data lives on your device and syncs only through your personal iCloud. SUBSCRIPTION Kettlebel Pro unlocks unlimited workout sessions for $3.99/month. Free users get 1 session per week. Payment is charged to your Apple ID. Subscription auto-renews monthly unless cancelled at least 24 hours before the end of the current period. Manage subscriptions in Settings > Apple ID > Subscriptions. Terms of Use: https://saadzniber.github.io/kettlebel-legal/ Privacy Policy: https://saadzniber.github.io/kettlebel-legal/
Screenshots
Verdict
The clearest difference is iOS requirement: BELLr at 13.0 against Kettlebel's 17.0. 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.
| Parameter | BELLr | Kettlebel |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, Apple Watch |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 140 MB |
| Age rating | 4+ | 4+ |
| Developer | Matt Overholt | Saad Zniber |
In-app purchases
BELLr
No in-app purchases
Kettlebel
No in-app purchases









