Comparison

JAWKU vs Chaperone Performance Coaching

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

Chaperone Performance Coaching

Features
Read full description

Chaperone Performance connects athletes with coaches for structured training, feedback, and communication—built for track and field and performance development. FOR ATHLETES • Discover and connect with coaches in the marketplace • Request coaching, intro calls, and consultations • Receive weekly training plans and complete assigned workouts • Submit performance results and videos for coach review • Message your coach and stay on track with today’s training focus FOR COACHES • Build your coaching profile with bio, events, and gallery • Review athlete requests and manage your roster • Create and assign weekly training plans • Review performance submissions and provide feedback • Chat with athletes and manage your coaching workflow Chaperone Performance is designed for serious athletes and professional coaches who want a clear, mobile-first way to train together—whether you’re youth, collegiate, or competitive.

Screenshots

JAWKU4 screens
Chaperone Performance Coaching3 screens

Verdict

The call

The clearest difference is update cadence: Chaperone Performance Coaching at fortnightly against JAWKU's every 2 months. 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

JAWKU ships an update every 2 months, Chaperone Performance Coaching fortnightly. Both last shipped on October 22, 2026.

Scorecard1 real difference · 9 level
JAWKU versus Chaperone Performance Coaching: the parameters behind the verdict, then further details
ParameterJAWKUChaperone Performance Coaching
PriceFreeFree
Rating4.0 (257 ratings) — better—
Positive reviews67.7% of reviews—
Number of ratings257 — better—
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.615.1 — better
Further details — not scored
Size31 MB112 MB
Age rating4+4+
DeveloperBrian FrohlichChaperone Performance LLC

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

Chaperone Performance Coaching

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

JAWKU

No in-app purchases

None

Chaperone Performance Coaching

No in-app purchases

Questions

Is JAWKU free?
JAWKU is free to download, with no in-app purchases.
Is Chaperone Performance Coaching free?
Chaperone Performance Coaching is free to download, with no in-app purchases.
Do JAWKU or Chaperone Performance Coaching have ads?
Neither JAWKU nor Chaperone Performance Coaching shows ads.
Which is updated more often, JAWKU or Chaperone Performance Coaching?
JAWKU ships an update every 2 months, and Chaperone Performance Coaching fortnightly. Most recently, JAWKU was updated on October 22, 2026 and Chaperone Performance Coaching on October 22, 2026.

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