# PRINCO Watch vs Arcus VBT

The clearest difference is in-app purchases: PRINCO Watch at none against Arcus VBT's 10. PRINCO Watch also leads on device support (3 vs 1) and iOS requirement (8.0 vs 17.0). Arcus VBT's advantage is update cadence (weekly vs every 4 weeks). On price and ads there is nothing between them.

Both are free to download. Arcus VBT sells 10 in-app purchases, starting at $6.69 per month. PRINCO Watch asks for nothing beyond the download.

PRINCO Watch ships an update every 4 weeks, Arcus VBT weekly. The most recent releases landed on October 26, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PRINCO Watch | Arcus VBT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/arcus-vbt/id6778055009/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Monetization | — | Freemium |
| Size | 12 MB | 164 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PRINCO CORP.](https://appshunter.io/developer/1053302408) | [夏雯 姚](https://appshunter.io/developer/1896671999) |

## What reviewers say

### PRINCO Watch

[App page](https://appshunter.io/ios/app/princo-watch/id1079295120)

**Features:** macOS Compatibility

**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 (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Jump Pro Monthly | $6.69 | per month |
| Lift Pro Monthly | $7.99 | per month |
| Ultra Monthly | $10.99 | per month |
| Arcus Coach 10 Monthly | $19.99 | per month |
| Arcus Coach 20 Monthly | $29.99 | per month |
| Jump Pro Yearly | $45.90 | per year |
| Lift Pro Yearly | $54.90 | per year |
| Ultra Yearly | $75.90 | per year |
| Arcus Coach 10 Yearly | $149.99 | per year |
| Arcus Coach 20 Yearly | $229.99 | per year |


## Frequently asked questions

### Is PRINCO Watch free?

PRINCO Watch 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 PRINCO Watch or Arcus VBT have ads?

Neither PRINCO Watch nor Arcus VBT shows ads.

### Which is updated more often, PRINCO Watch or Arcus VBT?

PRINCO Watch ships an update every 4 weeks, and Arcus VBT weekly. Most recently, PRINCO Watch was updated on October 26, 2026 and Arcus VBT on October 31, 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.*