# 知答 vs Muse AI

The clearest difference is ads: 知答 at none against Muse AI's shown. 知答 also leads on update cadence (weekly vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 知答 sells 4 one-off in-app purchases and Muse AI sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

知答 ships an update weekly, Muse AI monthly. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 知答 | Muse AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Monthly |
| Size | 77 MB | 283 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [晓生 唐](https://appshunter.io/developer/1680679241) | [Shenzhen Chunjiang Yueming Technology Co., Ltd.](https://appshunter.io/developer/6775868352) |

## What reviewers say

### 知答

[App page](https://appshunter.io/ios/app/ai-agent/id6739323442)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 购买60个知豆 | $0.99 | one-time |
| 购买180个知豆 | $2.99 | one-time |
| 购买300个知豆 | $3.99 | one-time |
| 购买1680个知豆 | $24.99 | one-time |


### Muse AI

[App page](https://appshunter.io/ios/app/muse-ai/id6775868350)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周度会员-首充优惠 | $2.99 | per 7 days |
| 月度会员-超值特惠 | $9.99 | per month |
| 年度会员-80%用户选择 | $24.99 | per year |


## Frequently asked questions

### Is 知答 free?

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

### Is Muse AI free?

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

### Do 知答 or Muse AI have ads?

Muse AI shows ads; 知答 does not.

### Which is updated more often, 知答 or Muse AI?

知答 ships an update weekly, and Muse AI monthly. Most recently, 知答 was updated on October 16, 2026 and Muse AI on October 24, 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.*