Arm Speed Analyzer vs. Golf Launch Monitors
Swing Speed Radar / Launch MonitorDevices like the PRGR HS-130A and Rapsodo MLM2PRO exist to give golfers real clubhead speed, ball speed, and distance data. Arm Speed Analyzer trades that precision for zero cost and zero setup — and works well past the golf course. Here's where each wins.
The Race
Clubhead & Ball Speed Accuracy
A launch monitor like the PRGR HS-130A or Rapsodo MLM2PRO reads clubhead speed, ball speed, and smash factor with radar or camera precision. Arm Speed Analyzer estimates swing speed from device motion, which is built for trends, not a certified number.
Cost
Even an affordable launch monitor is still a purchase. Arm Speed Analyzer is free on the phone or watch you already bring to the range.
Setup
Launch monitors need to be placed at a specific spot relative to the ball and sometimes recalibrated between clubs. Arm Speed Analyzer just needs your watch or phone on you.
Sports Covered
A golf launch monitor does one thing — golf. Arm Speed Analyzer uses the same setup for golf swings, baseball throws and swings, tennis and pickleball, and disc golf.
Ball Flight Data
If you're dialing in club selection or comparing equipment, ball flight data is the whole point of a launch monitor. Arm Speed Analyzer only measures the swing, not what happens to the ball afterward.
Which Should You Use?
Choose Golf Launch Monitors If…
you need real clubhead or ball speed numbers and distance data to dial in equipment or track a swing change, and $200–$600 fits your budget.
Choose Arm Speed Analyzer If…
you just want to see whether your swing speed is trending up over time, for free, using an app that also works for baseball, tennis, pickleball, and disc golf.
Frequently Asked Questions
Can Arm Speed Analyzer replace a golf launch monitor?
Not for ball flight data — a launch monitor measures clubhead speed, ball speed, and carry distance with radar or camera precision. Arm Speed Analyzer only tracks swing speed trends, for free, without any hardware to set up.
Do I need to stand in a specific spot to use Arm Speed Analyzer at the range?
No. Unlike a launch monitor, which needs to be positioned relative to the ball, Arm Speed Analyzer just reads the motion of your watch or phone during the swing — stand wherever you'd normally hit from.
Track Your Arm Speed for Free
No setup, no subscription. Just your iPhone or Apple Watch.
