# Radar Gun vs Arm Speed Motion Analyzer

The clearest difference is price: Arm Speed Motion Analyzer at Free against Radar Gun's $0.99. Arm Speed Motion Analyzer also leads on update cadence (fortnightly vs every 21 months) and rating (4.2 vs 3.9). Radar Gun's advantage is in-app purchases (none vs 3) and ratings volume (146 vs 11). On review sentiment, ads and device support there is nothing between them.

Arm Speed Motion Analyzer is free to download; Radar Gun costs $0.99 up front. Arm Speed Motion Analyzer sells 3 in-app purchases, starting at $0.99 per month. Radar Gun asks for nothing beyond the download.

Arm Speed Motion Analyzer holds the better App Store score, 4.2 against 3.9. That said, the two scores are not equally well evidenced: Radar Gun has 146 ratings behind it against 11, so its average is the more settled of the two. Written reviews split almost evenly too, at 31% and 31% positive.

Radar Gun ships an update every 21 months, Arm Speed Motion Analyzer fortnightly. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Radar Gun | Arm Speed Motion Analyzer |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.9 (146 ratings)](https://appshunter.io/ios/app/radar-gun/id525924252/reviews) | **[4.2 (11 ratings)](https://appshunter.io/ios/app/arm-speed-motion-analyzer/id1539318987/reviews)** |
| Number of ratings | **146** | 11 |
| Positive reviews | **31.3% of reviews** | 30.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Fortnightly** |
| Monetization | **Free** | Freemium |
| Size | 2 MB | 11 MB |
| Requires iOS | **11.0** | 18.1 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [30 South LLC](https://appshunter.io/developer/331245760) | [FRE STUDIOS LLC](https://appshunter.io/developer/619585736) |

## What reviewers say

### Radar Gun

[App page](https://appshunter.io/ios/app/radar-gun/id525924252)

Measure the speed of a baseball pitcher's throw. Tap when the ball is released and again when it's caught to calculate average speed. Offers preset distances for baseball, little league, and softball, plus a custom option.

**Highlights:** Measure pitch speed, Tap to start and stop timer, Preset distances (Baseball, Little League, Softball), Custom distance input, Average speed calculation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Arm Speed Motion Analyzer

[App page](https://appshunter.io/ios/app/arm-speed-motion-analyzer/id1539318987)

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.

**Highlights:** Real-time speed detection, iPhone and Apple Watch compatibility, Supports multiple sports, Personal records and achievements, Weekly trends and analytics, Health app integration

**Features:** Family Sharing, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arm Speed Pro Monthly | $0.99 | per month |
| Arm Speed Pro | $9.99 | per year |
| Arm Speed Analyzer Pro | $2.99 | one-time |


## Frequently asked questions

### Is Radar Gun free?

Radar Gun costs $0.99, with no in-app purchases.

### Is Arm Speed Motion Analyzer free?

Arm Speed Motion Analyzer is free to download, with in-app purchases available.

### Which has better reviews, Radar Gun or Arm Speed Motion Analyzer?

Arm Speed Motion Analyzer is rated higher. Radar Gun averages 3.9 out of 5 from 146 ratings, while Arm Speed Motion Analyzer averages 4.2 from 11 ratings.

### Do Radar Gun or Arm Speed Motion Analyzer have ads?

Neither Radar Gun nor Arm Speed Motion Analyzer shows ads.

### Which is updated more often, Radar Gun or Arm Speed Motion Analyzer?

Radar Gun ships an update every 21 months, and Arm Speed Motion Analyzer fortnightly. Most recently, Radar Gun was updated on October 14, 2026 and Arm Speed Motion Analyzer on October 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*