# Arm Speed Motion Analyzer vs TechDisc

The clearest difference is review sentiment: TechDisc at 76% against Arm Speed Motion Analyzer's 31%. TechDisc also leads on rating (4.7 vs 4.2) and ratings volume (238 vs 11). Arm Speed Motion Analyzer's advantage is update cadence (fortnightly vs monthly). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Arm Speed Motion Analyzer sells 3 in-app purchases, starting at $0.99 per month and TechDisc sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

TechDisc holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: TechDisc has 238 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 31% of Arm Speed Motion Analyzer's written reviews are positive against 76% of TechDisc's.

Arm Speed Motion Analyzer ships an update fortnightly, TechDisc monthly. The most recent releases landed on October 22, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Arm Speed Motion Analyzer | TechDisc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (11 ratings)](https://appshunter.io/ios/app/arm-speed-motion-analyzer/id1539318987/reviews) | **[4.7 (238 ratings)](https://appshunter.io/ios/app/techdisc/id6450316226/reviews)** |
| Number of ratings | 11 | **238** |
| Positive reviews | 30.8% of reviews | **76.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Freemium | Free with in-app purchases |
| Size | 11 MB | 39 MB |
| Requires iOS | 18.1 | **16.4** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [FRE STUDIOS LLC](https://appshunter.io/developer/619585736) | [Tech Disc Inc.](https://appshunter.io/developer/1692804221) |

## What reviewers say

### 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 |


### TechDisc

[App page](https://appshunter.io/ios/app/techdisc/id6450316226)

This app connects to a specialized disc golf sensor to measure key throwing metrics like spin, speed, and angles. It helps disc golfers analyze their throws, identify throw types, and track progress for improved performance.

**Highlights:** Measure spin, speed, nose angle, hyzer, launch angle, and wobble, Connects to TechDisc hardware sensor, Identifies throw types (backhand, forehand, etc.), Analyzes throw angles (flat, hyzer, anhyzer), Tracks drive, upshot, and standstill performance, Calculates average spin for different throws

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TechDisc Premium (1 Month) | $9.99 | per month |
| TechDisc Premium (1 Year) | $99.99 | per year |


## Frequently asked questions

### Is Arm Speed Motion Analyzer free?

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

### Is TechDisc free?

TechDisc is free to download, with in-app purchases available.

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

TechDisc is rated higher. Arm Speed Motion Analyzer averages 4.2 out of 5 from 11 ratings, while TechDisc averages 4.7 from 238 ratings.

### Do Arm Speed Motion Analyzer or TechDisc have ads?

Neither Arm Speed Motion Analyzer nor TechDisc shows ads.

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

Arm Speed Motion Analyzer ships an update fortnightly, and TechDisc monthly. Most recently, Arm Speed Motion Analyzer was updated on October 22, 2026 and TechDisc on October 19, 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.*