Comparison

K2XFIT vs GrappleDex

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

Head to head
About

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.

Highlights
  • Workout tracking
  • Meal logging
  • Progress monitoring
  • Personalized coaching
  • Body measurement tracking
  • Wearable device integration
  • Real-time messaging
Features
Read full description

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!

About

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.

Highlights
  • 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
Features
Read full description

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

K2XFIT4 screens
GrappleDex4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. GrappleDex sells 1 in-app purchase, starting at $2.99 per month. K2XFIT asks for nothing beyond the download.

UpkeepUpdate frequency

K2XFIT ships an update every 2 months, GrappleDex monthly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
K2XFIT versus GrappleDex: the parameters behind the verdict, then further details
ParameterK2XFITGrappleDex
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings—1 — better
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.515.1 — better
Further details — not scored
Size194 MB69 MB
Age rating4+4+
DeveloperK2 Martial Arts and Fitness IncAoshen Zhou

Customer experience

K2XFIT

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

GrappleDex

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

K2XFIT

No in-app purchases

1 purchases

GrappleDex

Subscriptions1
  • GrappleDex Pro7 Days trial$2.991 Month

Questions

Is K2XFIT free?
K2XFIT is free to download, with no in-app purchases.
Is GrappleDex free?
GrappleDex is free to download, with in-app purchases available.
Do K2XFIT or GrappleDex have ads?
Neither K2XFIT nor GrappleDex shows ads.
Which is updated more often, K2XFIT or GrappleDex?
K2XFIT ships an update every 2 months, and GrappleDex monthly. Most recently, K2XFIT was updated on October 29, 2026 and GrappleDex on October 24, 2026.

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