Comparison

JAWKU vs Track Performance Calculator

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

Track Performance Calculator

Features
Read full description

Track Performance Calculator is a data-driven tool designed to help athletes and coaches estimate performance potential across track and field events. Translate existing marks into meaningful insights and better understand what you’re capable of when your performances align. Features Event Conversions – Estimate potential times across sprint events and hurdles 800m Retention Analysis – Evaluate how speed carries into longer distances Pacing Calculator – Plan race strategy with structured splits Split Calculator – Analyze relay splits, lap splits, and race segments Dark Mode – Clean, modern interface for any environment Designed For Athletes and coaches looking to better understand performance, identify gaps, and make more informed training decisions.

Screenshots

JAWKU4 screens
Track Performance Calculator4 screens

Verdict

The call

The clearest difference is update cadence: Track Performance Calculator at monthly 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, Track Performance Calculator monthly. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

Scorecard1 real difference · 9 level
JAWKU versus Track Performance Calculator: the parameters behind the verdict, then further details
ParameterJAWKUTrack Performance Calculator
PriceFreeFree
Rating4.0 (244 ratings) — better—
Positive reviews67.7% of reviews—
Number of ratings244 — better—
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.615.1 — better
Further details — not scored
Size31 MB184 MB
Age rating4+17+
DeveloperBrian FrohlichKeith Fingers

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

Track Performance Calculator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

JAWKU

No in-app purchases

None

Track Performance Calculator

No in-app purchases

Questions

Is JAWKU free?
JAWKU is free to download, with no in-app purchases.
Is Track Performance Calculator free?
Track Performance Calculator is free to download, with no in-app purchases.
Do JAWKU or Track Performance Calculator have ads?
Neither JAWKU nor Track Performance Calculator shows ads.
Which is updated more often, JAWKU or Track Performance Calculator?
JAWKU ships an update every 2 months, and Track Performance Calculator monthly. Most recently, JAWKU was updated on October 4, 2026 and Track Performance Calculator on October 2, 2026.

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