# 开市客 vs 咖博士

The clearest difference is update cadence: 开市客 at monthly against 咖博士's every 3 months. 咖博士's advantage is iOS requirement (11.0 vs 13.0). 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.

开市客 ships an update monthly, 咖博士 every 3 months. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 开市客 | 咖博士 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (24 ratings)](https://appshunter.io/ios/app/id1457942022/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 12.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Size | 39 MB | 49 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Costco](https://appshunter.io/developer/1457942021) | [Suzhou ChisalSoft Technology Co., Ltd.](https://appshunter.io/developer/786990357) |

## What reviewers say

### 开市客

[App page](https://appshunter.io/ios/app/id1457942022)

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

**In-app purchases:** none


### 咖博士

[App page](https://appshunter.io/ios/app/id6444034192)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 开市客 free?

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

### Is 咖博士 free?

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

### Do 开市客 or 咖博士 have ads?

Neither 开市客 nor 咖博士 shows ads.

### Which is updated more often, 开市客 or 咖博士?

开市客 ships an update monthly, and 咖博士 every 3 months. Most recently, 开市客 was updated on November 6, 2026 and 咖博士 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.*