Comparison

JAWKU vs Grapplers Connect

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

Head to head
About

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.

Highlights
  • Measure sprint speed
  • Measure agility drills
  • Measure vertical jump height
  • Measure reaction time
  • Track performance history
  • Visualize personal records
  • Access training content
Features
Read full description

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

About

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.

Highlights
  • 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
Features
Read full description

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

JAWKU4 screens
Grapplers Connect4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
JAWKU versus Grapplers Connect: the parameters behind the verdict, then further details
ParameterJAWKUGrapplers Connect
PriceFreeFree
Rating4.0 (244 ratings)5.0 (1 ratings) — better
Positive reviews67.7% of reviews—
Number of ratings244 — better1
Update frequencyEvery 2 months — betterEvery 12 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.615.6
Further details — not scored
Size31 MB66 MB
Age rating4+17+
DeveloperBrian FrohlichGRAPPLERS CONNECT LLC

Customer experience

JAWKU

All ratings244 ratings
Positive73.0%
Neutral3.7%
Negative23.4%
Written reviews65 reviews
Positive67.7%
Neutral6.2%
Negative26.2%

Grapplers Connect

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

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
Show 5 more
  • 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
Show 3 more
  • 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

None

JAWKU

No in-app purchases

None

Grapplers Connect

No in-app purchases

Questions

Is JAWKU free?
JAWKU is free to download, with no in-app purchases.
Is Grapplers Connect free?
Grapplers Connect is free to download, with no in-app purchases.
Which has better reviews, JAWKU or Grapplers Connect?
Grapplers Connect is rated higher. JAWKU averages 4.0 out of 5 from 244 ratings, while Grapplers Connect averages 5.0 from 1 ratings.
Do JAWKU or Grapplers Connect have ads?
Neither JAWKU nor Grapplers Connect shows ads.
Which is updated more often, JAWKU or Grapplers Connect?
JAWKU ships an update every 2 months, and Grapplers Connect every 12 months. Most recently, JAWKU was updated on August 2, 2026 and Grapplers Connect on September 15, 2026.

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