# AiAgent vs 知答

The clearest difference is in-app purchases: AiAgent at none against 知答's 4. AiAgent also leads on iOS requirement (11.0 vs 15.6). 知答's advantage is update cadence (weekly vs every 25 months). On price, ads and device support there is nothing between them.

Both are free to download. 知答 sells 4 one-off in-app purchases. AiAgent asks for nothing beyond the download.

AiAgent ships an update every 25 months, 知答 weekly. The most recent releases landed on September 7, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | AiAgent | 知答 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | **Weekly** |
| Size | 47 MB | 77 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Huilian Information Technology Co., Ltd.](https://appshunter.io/developer/919844226) | [晓生 唐](https://appshunter.io/developer/1680679241) |

## What reviewers say

### AiAgent

[App page](https://appshunter.io/ios/app/aiagent/id6449188046)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is AiAgent free?

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

### Is 知答 free?

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

### Do AiAgent or 知答 have ads?

Neither AiAgent nor 知答 shows ads.

### Which is updated more often, AiAgent or 知答?

AiAgent ships an update every 25 months, and 知答 weekly. Most recently, AiAgent was updated on September 7, 2026 and 知答 on September 11, 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.*