Arm Speed Motion Analyzer

Arm Speed Motion Analyzer

Throw & Swing Speed Detection

11 ratings
26 reviews
Free
In-App Purchases

Details

  • Released
  • Updated
  • November 19, 2020
  • September 11, 2026

Features

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About

Measure throw and swing speeds without specialized equipment. This app uses your iPhone or Apple Watch motion sensors to provide real-time feedback for various sports. Track progress, set personal records, and analyze trends to train smarter.

Real-time speed detection
iPhone and Apple Watch compatibility
Supports multiple sports
Personal records and achievements
Weekly trends and analytics
Health app integration
Show original description

What's New in Arm Speed Motion Analyzer

3.2.0

September 11, 2026

Arm Speed 3.2.0 — A rebuilt History tab. See more at a glance, and find any session in seconds. NEW: Redesigned session cards — your top speed in its performance color, a mini bar chart of the session's throws, plus time, throw count, and heart rate on Apple Watch sessions. NEW: Sessions grouped by day — Today, Yesterday, and clear dates make scanning your history effortless. NEW: Search your history — find any session by name (Pro). NEW: Filters — narrow History by date range, device, activity, or sessions with records and achievements (Pro). NEW: Rename from History — retitle a session straight from the list. NEW: Endless scrolling — History keeps loading as you scroll and returns you right where you left off. NEW: Safer deleting — deletions now ask for confirmation, so a stray swipe can't erase a session. FIX: Better VoiceOver descriptions and large-text layouts throughout History. Thanks for using Arm Speed! If you enjoy the app, a review on the App Store goes a long way. Questions? Email: feedback@fre-studios.com

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Subscription plans

Arm Speed Pro

Unlock unlimited history, 3D motion paths, and more

$9.991 Year
7 Days trial
How to cancel Arm Speed Motion Analyzer subscription ⁉️
1

In-App Purchases

$2.99

Arm Speed Analyzer Pro

View and manage full speed record history

User reviews

What happened

This used to be a decent app but with this new update it’s no longer working on my Apple Watch, says failed to start workout even after resetting and updating the watch it still won’t work but loads up and works fine with my phone

Response from developer

Hello, sorry to hear about the issues with Apple Watch setup. We recently have updates that should make the Apple Watch experience more stable. If you are still experiencing issues, can you email us at support@fre-studios.com so we can look into your issues? Thanks for trying Arm Speed Motion Analyzer.

Excellent App

Does a great job of calculating speed, excellent integration with Apple Watch

Crash

It crashes the app when selecting dates under the charts settings tab. Please fix. Using paid version.

Response from developer

Hey there, we have made updates to the app that should fix this issue. If it's still occurring please email us at support@fre-studios.com

Disappointing start

Installation was quick and easy, as was updating the orientation setting for the throwing hand. Unfortunately, that’s where the good news ends. Measured arm speeds were very inconsistent and much lower than when measured with other devices. (Radar and Tech Disc.)

Works well

This app matches my speeds to what a tech disc does for disc golf.

Developer apps

FAQ

What does the Arm Speed Motion Analyzer app do?

This app uses your iPhone or Apple Watch's motion sensors to measure the speed of your throws and swings in real-time. It's designed for athletes to track their performance and progress across various sports without needing a radar gun.

What sports are supported by this app?

The app supports a wide range of sports including baseball, softball, pickleball, tennis, golf, disc golf, football, cricket, hockey, lacrosse, badminton, and racquetball. It can measure speeds for pitching, batting, serving, groundstrokes, swings, and throws.

Is this app free to use?

The app is free to download and start tracking your speeds. However, to unlock features like unlimited session history, advanced charts, personal records, weekly trends, and achievements, you can upgrade to Arm Speed Pro.

What devices are compatible with Arm Speed Motion Analyzer?

The app is compatible with both iPhone and Apple Watch. You can use your iPhone by holding it during your throw or swing, or utilize the Apple Watch for tracking. The app automatically detects motion on either device.

How does the app help me train smarter?

The app provides real-time speed feedback after every throw or swing, allowing for immediate adjustments. It also offers personal records, achievements, weekly trends, and analytics like speed band breakdowns and daily activity heatmaps to visualize improvement and identify areas for focus.