# 知乎 vs DogDogDoll

The clearest difference is rating: DogDogDoll at 5.0 against 知乎's 4.5. DogDogDoll also leads on in-app purchases (none vs 10). 知乎's advantage is ratings volume (26K vs 3) and chart position (#125 vs unranked). On price, ads and device support there is nothing between them.

Both are free to download. 知乎 sells 8 in-app purchases, starting at $2.99 per month. DogDogDoll asks for nothing beyond the download.

DogDogDoll holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: 知乎 has 26K ratings behind it against 3, so its average is the more settled of the two.

知乎 ships an update weekly, DogDogDoll every 3 weeks. The most recent releases landed on November 10, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 知乎 | DogDogDoll |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (26K ratings)](https://appshunter.io/ios/app/id432274380/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/dogdogdoll/id6747564362/reviews)** |
| Number of ratings | **26K** | 3 |
| Positive reviews | 15.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | — | Ad-supported |
| Best chart rank | **#125** | — |
| Size | 463 MB | 120 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 9+ |
| Developer | [Beijing Zhizhetianxia Technology Co., Ltd.](https://appshunter.io/developer/432274383) | [杭州眠猫网络科技有限公司](https://appshunter.io/developer/1821798361) |

## What reviewers say

### 知乎

[App page](https://appshunter.io/ios/app/id432274380)

**Currently charting:** #125 Top Grossing · Social Networking (US App Store)

Discover a high-quality question and answer community with original videos. Create, share, and explore content seamlessly with advanced AI search capabilities. Join now to engage in professional discussions and interactive exchanges.	Send feedback or inquiries to app@zhihu.com.

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 盐选会员月卡(1 个月) | $2.99 | per month |
| 盐选会员月卡(1 个月) | $2.99 | per month |
| 盐选会员连续月卡（1 个月） | $2.99 | per month |
| 盐选会员季卡(3 个月) | $7.99 | per 3 months |
| 盐选会员连续季卡（3 个月） | $7.99 | per 3 months |
| 6 个知乎币 | $0.99 | one-time |
| 盐选会员月卡 | $3.99 | one-time |
| 68 个知乎币 | $9.99 | one-time |

**What reviewers like**

- 🌟 Useful knowledge sharing platform
- 💡 Interesting content and ideas
- 📚 Ability to learn new things

**What reviewers complain about**

- 🚫 Strict censorship and content control
- 🤖 Biased and misleading content
- 🤑 Excessive ads and monetization
- 🔒 Privacy concerns and data collection
- 🚧 Poor user experience and app performance

**Reported bugs**

- Frequent app crashes and freezes
- Inability to unsubscribe from paid features

**Requested features**

- Improved content moderation and fairness
- Better user privacy controls
- Optimized app performance and stability


### DogDogDoll

[App page](https://appshunter.io/ios/app/dogdogdoll/id6747564362)

This app is designed for Ball-Jointed Doll (BJD) collectors. It provides news on doll releases, brand and product details, and tools to manage your collection and commissions. Track orders and payments all in one place.

**Highlights:** Doll release news, Brand and product browsing, Collection organization, Payment and order tracking, Faceup and wig commission search

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

**In-app purchases:** none


## Frequently asked questions

### Is 知乎 free?

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

### Is DogDogDoll free?

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

### Which has better reviews, 知乎 or DogDogDoll?

DogDogDoll is rated higher. 知乎 averages 4.5 out of 5 from 26K ratings, while DogDogDoll averages 5.0 from 3 ratings.

### Do 知乎 or DogDogDoll have ads?

Both 知乎 and DogDogDoll show ads.

### Which is updated more often, 知乎 or DogDogDoll?

知乎 ships an update weekly, and DogDogDoll every 3 weeks. Most recently, 知乎 was updated on November 10, 2026 and DogDogDoll on October 30, 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.*