Bat-knob swing sensor

SwingDino vs Diamond Kinetics SwingTracker

Diamond Kinetics is the most youth-friendly of the bat sensors and a genuinely good one. SwingDino starts free and leads with the exit-velo number kids love, straight from your phone.

Feature

SwingDino

Diamond Kinetics SwingTracker

Starting price

Free on iPhone

$99.99 + $54.99/yr

What you need

An iPhone

The sensor on every bat

Exit velocity

Yes, from your camera

No, swing only

Contact type

Yes, grounder to fly ball

No, swing metrics

Free to start

Yes

Limited free tier

Who it's for

Every hitter, age 4 to 94

Youth & teens

The vibe

Dino-themed and loud

Clean & data-forward

Cheapest way to find out? Free.

Get the app, set your phone on a stand off to the side, and take a cut. No radar gun, no facility membership, no five-figure invoice.

Competitor specs and prices are gathered from public sources as of 2026 and may change, check each brand for current details. SwingDino is a fun, repeatable progress tracker, not a lab-calibrated instrument.