# Watchbay vs Collagen MM

The clearest difference is device support: Watchbay at 3 against Collagen MM's 1. Watchbay also leads on iOS requirement (13.0 vs 16.4). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on November 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Watchbay | Collagen MM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (7 ratings)](https://appshunter.io/ios/app/watchbay/id6462392858/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | — |
| Size | 39 MB | 66 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PHYO MIN ZAW](https://appshunter.io/developer/1234091477) | [BIG BEE COMPANY LIMITED](https://appshunter.io/developer/1529854590) |

## What reviewers say

### Watchbay

[App page](https://appshunter.io/ios/app/watchbay/id6462392858)

This e-commerce application allows users to browse and purchase watches directly through their mobile devices. It provides a convenient platform for online watch shopping.

**Highlights:** E-commerce platform, Online watch purchasing, Mobile shopping experience, Browse watch selection

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

**In-app purchases:** none


### Collagen MM

[App page](https://appshunter.io/ios/app/collagen-mm/id6470705591)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Watchbay free?

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

### Is Collagen MM free?

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

### Do Watchbay or Collagen MM have ads?

Neither Watchbay nor Collagen MM shows ads.

### Which is updated more often, Watchbay or Collagen MM?

Watchbay ships an update every 4 months, and Collagen MM every 4 months. Most recently, Watchbay was updated on November 7, 2026 and Collagen MM 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.*