# PRINCO Watch vs 百威生研

The clearest difference is update cadence: PRINCO Watch at every 4 weeks against 百威生研's every 9 months. PRINCO Watch also leads on iOS requirement (8.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PRINCO Watch ships an update every 4 weeks, 百威生研 every 9 months. The most recent releases landed on October 19, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | PRINCO Watch | 百威生研 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 9 months |
| Size | 12 MB | 40 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PRINCO CORP.](https://appshunter.io/developer/1053302408) | [MOBILE CARDS ENTERPRISE](https://appshunter.io/developer/1676218596) |

## What reviewers say

### PRINCO Watch

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 百威生研

[App page](https://appshunter.io/ios/app/id6448719926)

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

**In-app purchases:** none


## Frequently asked questions

### Is PRINCO Watch free?

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

### Is 百威生研 free?

百威生研 is free to download, with no in-app purchases.

### Do PRINCO Watch or 百威生研 have ads?

Neither PRINCO Watch nor 百威生研 shows ads.

### Which is updated more often, PRINCO Watch or 百威生研?

PRINCO Watch ships an update every 4 weeks, and 百威生研 every 9 months. Most recently, PRINCO Watch was updated on October 19, 2026 and 百威生研 on October 9, 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.*