JAWKU vs Grapplers Connect
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JAWKU
This app measures athletic performance metrics like speed, agility, and reaction time with a wearable sensor. It allows athletes to track progress, visualize improvements, and access training content to enhance their performance.
- Measure sprint speed
- Measure agility drills
- Measure vertical jump height
- Measure reaction time
- Track performance history
- Visualize personal records
- Access training content
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Get Quick. Get Fast. Get JAWKU Speed. This app requires a JAWKU Speed sensor. Numbers don’t lie. And JAWKU Speed provides the key performance data across speed, agility and reaction time, with unrivaled accuracy in wearable technology. We changed the game. We're still changing it. JAWKU Speed was intentionally designed with you, the athlete, as our primary focus. Providing a meaningful experience, supported with accurate data capture hasn't existed like this, until now. The best part - while JAWKU is in a class of it's own, it's as simple to use as a stopwatch. YOUR PERFORMANCE UNLEASHED The JAWKU Speed App brings the entire experience to life. And setting it up is simple! Out of the box, the app will walk you through pairing and in a matter of minutes, you'll be unleashing an experience unlike any other. It's all there to help you understand how you're tracking and making good on all of that training you've been committed to. Let's take a closer look at the main features. TEST + Measure sprint speed + Measure agility (standardized tests or build your own drill) + Measure vertical jump height (NEW) + Measure reaction time off the blocks (in audible mode) + Select your distance and start mode (movement or audible) and you're ready to go TRAIN + Train with purpose. From within the app, you'll have access to the latest in training content from our partner, STACK, where athletes get better TRACK + Track your performance history over time + Visualize your performance against your previous times and personal records + Learn how your reaction time off the blocks is affecting your overall time. Seeing is believing. MY JAWKU + Manage everything here + Check sensor connectivity + Adjust/update your personal profile and settings
Grapplers Connect
Connect with verified combat sports coaches for personalized training sessions. Find experts in disciplines like BJJ, wrestling, MMA, and striking for direct booking, communication, and progress tracking.
- Find verified coaches by discipline
- Book personalized training sessions
- Direct communication with coaches
- Track training history and progress
- Secure payments and scheduling
- Support for BJJ, wrestling, MMA, judo, striking
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Grapplers Connect is the first marketplace built exclusively for combat sports athletes and coaches. Whether you're preparing for your next jiu jitsu tournament, refining your wrestling skills, or leveling up in MMA, Grapplers Connect gives you direct access to verified personal coaches across grappling and striking disciplines. This is where serious athletes find serious coaching. No DMs, no guesswork, no middlemen — just clean booking, direct communication, and personalized sessions that help you improve. From Brazilian Jiu Jitsu to freestyle wrestling, from judo to striking, Grapplers Connect is built for those who take training seriously. Every coach is vetted, and every session is built around your goals. Find verified coaches by discipline. Discover personal coaches in BJJ, MMA, wrestling, judo, submission grappling, and more. Every profile includes real athlete reviews, credentials, and availability. Book one-on-one training sessions. Choose your coach, pick a time, and book instantly. Whether it’s for a private lesson, competition prep, or ongoing mentorship, sessions are tailored to your needs. Message coaches directly. Communicate clearly with your coach before and after your sessions — no outside platforms needed. Track your training history. Stay consistent and accountable. View past sessions, log notes, and track your progress over time. Secure payments and scheduling. Know what you're paying for. Simple, transparent pricing with secure in-app payments and calendar integration. Supported disciplines include Brazilian Jiu Jitsu (BJJ), wrestling (freestyle, Greco-Roman, folkstyle), judo, MMA (mixed martial arts), submission grappling, and striking styles like boxing, Muay Thai, and kickboxing. Whether you're just starting out or preparing for a big match, Grapplers Connect gives you the tools to train with purpose. Skip the social media messages and gym referrals — get connected with verified coaches who match your discipline, goals, and schedule. This is the future of coaching in combat sports — built by and for the grappling community.
Screenshots
Verdict
The clearest difference is rating: Grapplers Connect at 5.0 against JAWKU's 4.0. JAWKU's advantage is ratings volume (244 vs 1) and update cadence (every 2 months vs every 12 months). On price, ads, in-app purchases and monetization model 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.
Grapplers Connect holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: JAWKU has 244 ratings behind it against 1, so its average is the more settled of the two.
JAWKU ships an update every 2 months, Grapplers Connect every 12 months. The most recent releases landed on August 2, 2026 and September 15, 2026 respectively.
| Parameter | JAWKU | Grapplers Connect |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (244 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 67.7% of reviews | — |
| Number of ratings | 244 — better | 1 |
| Update frequency | Every 2 months — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 31 MB | 66 MB |
| Age rating | 4+ | 17+ |
| Developer | Brian Frohlich | GRAPPLERS CONNECT LLC |
Customer experience
JAWKU
Grapplers Connect
Bugs and requests
JAWKU
Reported bugs
10 issues- Sensor disconnects at longer ranges (100+ meters)
- Times not recorded despite successful setup
- Audible mode not working on iPhone 13
- Jump clip registration fails
- Device won't charge or pair
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- App loading screens freeze after Bluetooth connection
- Sensor not detected despite proximity
- Timer stops before athlete finishes event
- Inconsistent performance across different iOS versions
- App hasn't been updated in multiple years
Requested features
8 requests- Multi-athlete simultaneous timing capability
- Continuous video recording with manual time selection
- Better documentation and instructional videos
- Improved app updates and maintenance
- Better Bluetooth range extension
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- Camera rotation functionality
- Offline functionality without internet requirement
- Better handling of crowded track environments
Grapplers Connect
Not enough reviews yet to summarise bugs or requests.
In-app purchases
JAWKU
No in-app purchases
Grapplers Connect
No in-app purchases








