# PROTREK O2O vs BOC HZMBHK

The clearest difference is iOS requirement: PROTREK O2O at 15.5 against BOC HZMBHK's 18.0. 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.

PROTREK O2O ships an update every 4 weeks, BOC HZMBHK every 3 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | PROTREK O2O | BOC HZMBHK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Size | 56 MB | 146 MB |
| Requires iOS | **15.5** | 18.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [protrek holdings (hong kong) company limited](https://appshunter.io/developer/1575340472) | [Hong Kong, China Association of Athletics Affiliates Limited](https://appshunter.io/developer/1494259852) |

## What reviewers say

### PROTREK O2O

[App page](https://appshunter.io/ios/app/protrek-o2o/id1575340470)

**Features:** Vision Pro support

**In-app purchases:** none


### BOC HZMBHK

[App page](https://appshunter.io/ios/app/boc-hzmbhk/id6470292349)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PROTREK O2O free?

PROTREK O2O is free to download, with no in-app purchases.

### Is BOC HZMBHK free?

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

### Do PROTREK O2O or BOC HZMBHK have ads?

Neither PROTREK O2O nor BOC HZMBHK shows ads.

### Which is updated more often, PROTREK O2O or BOC HZMBHK?

PROTREK O2O ships an update every 4 weeks, and BOC HZMBHK every 3 weeks. Most recently, PROTREK O2O was updated on November 3, 2026 and BOC HZMBHK on November 7, 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.*