# 共藏 vs 思明堂数学

The clearest difference is in-app purchases: 思明堂数学 at none against 共藏's 3. 思明堂数学 also leads on ads (none vs shown). 共藏's advantage is update cadence (weekly vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 共藏 sells 3 in-app purchases, starting at $0.99 per month. 思明堂数学 asks for nothing beyond the download.

共藏 ships an update weekly, 思明堂数学 every 2 months. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 共藏 | 思明堂数学 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6745865802/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Size | 86 MB | 106 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Juying Information Technology Co., Ltd.](https://appshunter.io/developer/1650530692) | [上海思明堂生物科技股份有限公司](https://appshunter.io/developer/1219886529) |

## What reviewers say

### 共藏

[App page](https://appshunter.io/ios/app/id6745865802)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $0.99 | per month |
| 月度会员 | $0.99 | one-time |
| 永久会员 | $9.99 | one-time |


### 思明堂数学

[App page](https://appshunter.io/ios/app/id6777937505)

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

**In-app purchases:** none


## Frequently asked questions

### Is 共藏 free?

共藏 is free to download, with in-app purchases available.

### Is 思明堂数学 free?

思明堂数学 is free to download, with no in-app purchases.

### Do 共藏 or 思明堂数学 have ads?

共藏 shows ads; 思明堂数学 does not.

### Which is updated more often, 共藏 or 思明堂数学?

共藏 ships an update weekly, and 思明堂数学 every 2 months. Most recently, 共藏 was updated on October 30, 2026 and 思明堂数学 on October 25, 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.*