# kDesktop vs Arcus VBT

The clearest difference is in-app purchases: kDesktop at none against Arcus VBT's 6. kDesktop also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). Arcus VBT's advantage is update cadence (every 8 days vs every 2 months). On price and ads there is nothing between them.

Both are free to download. Arcus VBT sells 6 in-app purchases, starting at $7.99 per month. kDesktop asks for nothing beyond the download.

kDesktop ships an update every 2 months, Arcus VBT every 8 days. The most recent releases landed on October 19, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | kDesktop | Arcus VBT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/arcus-vbt/id6778055009/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | — | Freemium |
| Size | 74 MB | 144 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [佐 郦](https://appshunter.io/developer/1534831374) | [夏雯 姚](https://appshunter.io/developer/1896671999) |

## What reviewers say

### kDesktop

[App page](https://appshunter.io/ios/app/kdesktop/id1536351036)

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

**In-app purchases:** none


### 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 (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arcus Pro Monthly | $7.99 | per month |
| Arcus Coach 10 Monthly | $19.99 | per month |
| Arcus Coach 20 Monthly | $29.99 | per month |
| Arcus Pro Yearly | $49.99 | per year |
| Arcus Coach 10 Yearly | $149.99 | per year |
| Arcus Coach 20 Yearly | $229.99 | per year |


## Frequently asked questions

### Is kDesktop free?

kDesktop is free to download, with no in-app purchases.

### Is Arcus VBT free?

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

### Do kDesktop or Arcus VBT have ads?

Neither kDesktop nor Arcus VBT shows ads.

### Which is updated more often, kDesktop or Arcus VBT?

kDesktop ships an update every 2 months, and Arcus VBT every 8 days. Most recently, kDesktop was updated on October 19, 2026 and Arcus VBT on October 15, 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.*