GrappleDex vs Boxing Chrono
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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/
Boxing Chrono
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Boxing Chrono is a clean, distraction-free boxing timer built for rounds, rest, and real training. Set your round time, rest time, and number of rounds — then hit start. The timer guides every round so you can stay focused on your workout. Perfect for boxing, Muay Thai, MMA, HIIT, and conditioning sessions — whether you’re training at home, in the gym, or outdoors. No ads. No accounts. Works offline. One-time purchase. No subscriptions. Train with structure and stay focused. Whether you’re doing pad work, heavy bag rounds, sparring, shadowboxing, or conditioning circuits, Boxing Chrono keeps your session moving with clear round/rest timing. Designed for fighters, coaches, and anyone training with timed rounds. Built to be fast and simple: Set your round duration Set your rest duration Choose how many rounds (or keep it open‑ended) Start your workout and let the timer guide every round Great for: Boxing / Muay Thai rounds Gym workout MMA rounds and conditioning HIIT intervals, circuits, and tabata‑style workouts Home training, gym sessions, or outdoor workouts It’s a great Boxing Timer & Interval Timer! Key Features Custom rounds: round length, rest length, and total rounds Large countdown display designed for quick glances Round + rest flow made for real training sessions Bell mode option for a classic fight‑timer feel Offline by design: no internet required No ads, no tracking, no account required
Screenshots
Verdict
The clearest difference is update cadence: GrappleDex at monthly against Boxing Chrono's every 4 months. GrappleDex also leads on iOS requirement (15.1 vs 26.2). 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. GrappleDex sells 1 in-app purchase, starting at $2.99 per month and Boxing Chrono sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
GrappleDex ships an update monthly, Boxing Chrono every 4 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | GrappleDex | Boxing Chrono |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 26.2 |
| Further details — not scored | ||
| Size | 69 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Aoshen Zhou | Ioannis Kyritsis |
In-app purchases
GrappleDex
- GrappleDex Pro7 Days trial$2.991 Month
Boxing Chrono
- Unlock Boxing Chrono$0.99









