# 小金坞 vs 知答

The clearest difference is in-app purchases: 小金坞 at none against 知答's 4. 小金坞 also leads on iOS requirement (9.0 vs 15.6). 知答's advantage is update cadence (weekly vs every 2 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. 小金坞 asks for nothing beyond the download.

小金坞 ships an update every 2 months, 知答 weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | 小金坞 | 知答 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 30 MB | 77 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [许杰 严](https://appshunter.io/developer/1520332664) | [晓生 唐](https://appshunter.io/developer/1680679241) |

## What reviewers say

### 小金坞

[App page](https://appshunter.io/ios/app/id1520344305)

**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 小金坞 free?

小金坞 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 小金坞 or 知答 have ads?

Neither 小金坞 nor 知答 shows ads.

### Which is updated more often, 小金坞 or 知答?

小金坞 ships an update every 2 months, and 知答 weekly. Most recently, 小金坞 was updated on October 25, 2026 and 知答 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.*