# Joint Angle Camera vs Arcus VBT

The clearest difference is update cadence: Arcus VBT at every 8 days against Joint Angle Camera's every 3 weeks. Joint Angle Camera's advantage is iOS requirement (15.5 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Joint Angle Camera sells 1 one-off in-app purchase and Arcus VBT sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Joint Angle Camera ships an update every 3 weeks, Arcus VBT every 8 days. The most recent releases landed on September 19, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Joint Angle Camera | Arcus VBT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/arcus-vbt/id6778055009/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | — | Freemium |
| Size | 61 MB | 332 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [鹏 徐](https://appshunter.io/developer/6775937457) | [夏雯 姚](https://appshunter.io/developer/1896671999) |

## What reviewers say

### Joint Angle Camera

[App page](https://appshunter.io/ios/app/joint-angle-camera/id6776578930)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro forever | $4.99 | one-time |


### Arcus VBT

[App page](https://appshunter.io/ios/app/arcus-vbt/id6778055009)

Analyze barbell training with real-time or imported video analysis. Track key velocity metrics, review reps, and monitor progress over time with detailed charts and cloud sync. Designed for strength athletes and coaches seeking to enhance their training.

**Highlights:** Live camera tracking, Video import analysis, Barbell velocity metrics, Rep-by-rep history, Progress charts, Cloud sync

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arcus Pro Monthly | $7.99 | per month |
| Arcus Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is Joint Angle Camera free?

Joint Angle Camera is free to download, with in-app purchases available.

### Is Arcus VBT free?

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

### Do Joint Angle Camera or Arcus VBT have ads?

Neither Joint Angle Camera nor Arcus VBT shows ads.

### Which is updated more often, Joint Angle Camera or Arcus VBT?

Joint Angle Camera ships an update every 3 weeks, and Arcus VBT every 8 days. Most recently, Joint Angle Camera was updated on September 19, 2026 and Arcus VBT on September 20, 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.*