K2XFIT vs GrappleDex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
K2XFIT
Track your workouts, meals, and progress towards fitness goals with personalized coaching. Schedule activities, monitor body measurements, and receive reminders. Connect wearable devices for seamless data syncing.
- Workout tracking
- Meal logging
- Progress monitoring
- Personalized coaching
- Body measurement tracking
- Wearable device integration
- Real-time messaging
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With the K2XFIT App, you can start tracking your workouts and meals, measuring results, and achieving your fitness goals, all with the help of your personal coach. - Access training plans and track workouts - Schedule workouts and stay committed by beating your personal bests - Track progress towards your goals - Manage your nutrition intake as prescribed by your coach - Set health and fitness goals - Message your coach in real-time - Track body measurements and take progress photos - Get push notification reminders for scheduled workouts and activities - Connect to wearable devices like Apple Watch (synced to Health app), Fitbit and Withings to sync body stats instantly Download the app today!
GrappleDex
Log your Brazilian Jiu-Jitsu training sessions to track progress and understand your game. Set training focuses, review past sessions, and identify patterns in your techniques and positions. Stay consistent with reminders and weekly summaries.
- Log BJJ sessions with positions, techniques, and notes
- Tag sessions as Gi or No-Gi
- Search training history instantly
- Set session focus and track accountability
- Visualize progress with heatmaps and graphs
- Compare related sessions for pattern identification
- Weekly summaries and logging reminders
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GrappleDex is a Brazilian Jiu-Jitsu training journal built specifically for BJJ practitioners. Log your sessions, train with intention, and understand your game over time. Your sessions are private by default. Share the ones you want to the community feed and see what other grapplers are working on. Log BJJ Sessions in Seconds - Record positions, techniques, notes, duration, and session feedback - Attach photos from the mats - Instantly search your full training history - Review detailed sessions with notes and related training - Light and dark themes Share Your Training - A community feed of shared sessions from grapplers everywhere - Like sessions and see who liked yours - Tap anyone to see their belt, gym, training stats, and recent activity Train With Intention - Set a focus for your next session or training week - Stay accountable before and after class - Reflect on your focus as you log sessions - Review past focuses alongside your training calendar See Your Progress Clearly - Track sessions, hours, and training days - Discover your most trained positions and techniques - Visualize patterns with heatmaps and activity graphs - Spot strengths, gaps, and trends in your game Understand Your Game - Compare related sessions to identify recurring patterns - Keep notes, techniques, and positions organized in one place - Build a clearer picture of how you actually train Stay Consistent - Get reminders to log and reflect after training - Receive weekly summaries based on your activity - Build habits that support long-term improvement Unlock More With Pro - Create custom positions and techniques of your own - Support the continued development of GrappleDex Built for every BJJ practitioner; hobbyist, competitor, or coach. Whether you train for fitness, self-defense, or competition, GrappleDex helps you stay organized, train with purpose, and continuously improve in Brazilian Jiu-Jitsu. Website: https://grappledex.com/ Instagram: https://instagram.com/grappledex Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: K2XFIT at none against GrappleDex's 1. K2XFIT also leads on device support (4 vs 2). On price, update cadence, ads and iOS requirement 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. GrappleDex sells 1 in-app purchase, starting at $2.99 per month. K2XFIT asks for nothing beyond the download.
K2XFIT ships an update every 2 months, GrappleDex monthly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.
| Parameter | K2XFIT | GrappleDex |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 15.5 | 15.1 — better |
| Further details — not scored | ||
| Size | 194 MB | 69 MB |
| Age rating | 4+ | 4+ |
| Developer | K2 Martial Arts and Fitness Inc | Aoshen Zhou |
Customer experience
K2XFIT
GrappleDex
In-app purchases
K2XFIT
No in-app purchases
GrappleDex
- GrappleDex Pro7 Days trial$2.991 Month









