# 中免海南 vs Bychic21

The clearest difference is update cadence: Bychic21 at weekly against 中免海南's every 4 weeks. Bychic21 also leads on iOS requirement (13.0 vs 15.0). 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.

中免海南 ships an update every 4 weeks, Bychic21 weekly. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 中免海南 | Bychic21 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/id1027275974/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 87.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 72 MB | 99 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [中免(海南)数字科技有限公司](https://appshunter.io/developer/1864095052) | [ShenZhen Jiahong interconnection co.ltd](https://appshunter.io/developer/1468744024) |

## What reviewers say

### 中免海南

[App page](https://appshunter.io/ios/app/id1027275974)

This is the official shopping platform for a leading duty-free e-commerce brand, backed by a central state-owned enterprise. It offers a wide selection of global luxury goods and guarantees authentic products for a premium shopping experience.

**Highlights:** Official shopping platform, Global luxury goods, State-owned enterprise backing, Authentic product guarantee, Duty-free e-commerce

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

**In-app purchases:** none


### Bychic21

[App page](https://appshunter.io/ios/app/bychic21/id6753163905)

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

**In-app purchases:** none


## Frequently asked questions

### Is 中免海南 free?

中免海南 is free to download, with no in-app purchases.

### Is Bychic21 free?

Bychic21 is free to download, with no in-app purchases.

### Do 中免海南 or Bychic21 have ads?

Neither 中免海南 nor Bychic21 shows ads.

### Which is updated more often, 中免海南 or Bychic21?

中免海南 ships an update every 4 weeks, and Bychic21 weekly. Most recently, 中免海南 was updated on November 6, 2026 and Bychic21 on November 5, 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.*