# 刻意自学 vs 宠物狗百科

The clearest difference is in-app purchases: 宠物狗百科 at none against 刻意自学's 9. 刻意自学's advantage is ads (none vs shown) and update cadence (every 6 days vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 刻意自学 sells 9 in-app purchases, starting at $17.99 per month. 宠物狗百科 asks for nothing beyond the download.

刻意自学 ships an update every 6 days, 宠物狗百科 every 2 months. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 刻意自学 | 宠物狗百科 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 2 months |
| Size | 84 MB | 13 MB |
| Requires iOS | 16.2 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hangzhou Zhixing General Information Technology Co., Ltd.](https://appshunter.io/developer/1498605898) | [浩杰 姬](https://appshunter.io/developer/1514456091) |

## What reviewers say

### 刻意自学

[App page](https://appshunter.io/ios/app/id6447485344)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro会员月度套餐 | $17.99 | per month |
| Plus会员月度套餐 | $29.99 | per month |
| Pro会员季度套餐 | $34.99 | per 3 months |
| Ultra会员月度套餐 | $39.99 | per month |
| Pro会员年度套餐 | $39.99 | per year |
| Plus会员季度套餐 | $59.99 | per 3 months |
| Ultra会员季度套餐 | $89.99 | per 3 months |
| Plus会员年度套餐 | $99.99 | per year |
| Ultra会员年度套餐 | $199.99 | per year |


### 宠物狗百科

[App page](https://appshunter.io/ios/app/id6737447751)

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

**In-app purchases:** none


## Frequently asked questions

### Is 刻意自学 free?

刻意自学 is free to download, with in-app purchases available.

### Is 宠物狗百科 free?

宠物狗百科 is free to download, with no in-app purchases.

### Do 刻意自学 or 宠物狗百科 have ads?

宠物狗百科 shows ads; 刻意自学 does not.

### Which is updated more often, 刻意自学 or 宠物狗百科?

刻意自学 ships an update every 6 days, and 宠物狗百科 every 2 months. Most recently, 刻意自学 was updated on October 23, 2026 and 宠物狗百科 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.*