# i博思 vs 专利代理人题库

The clearest difference is in-app purchases: i博思 at none against 专利代理人题库's 3. i博思 also leads on update cadence (monthly vs every 48 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 专利代理人题库 sells 3 one-off in-app purchases. i博思 asks for nothing beyond the download.

i博思 ships an update monthly, 专利代理人题库 every 48 months. The most recent releases landed on October 5, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | i博思 | 专利代理人题库 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 48 months |
| Size | 110 MB | 11 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [苏州科大讯飞教育科技有限公司](https://appshunter.io/developer/1142862402) | [亮君 曲](https://appshunter.io/developer/590025980) |

## What reviewers say

### i博思

[App page](https://appshunter.io/ios/app/i/id1313101516)

**In-app purchases:** none


### 专利代理人题库

[App page](https://appshunter.io/ios/app/id1507061935)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP8个月 | $4.99 | one-time |
| VIP20个月 | $5.99 | one-time |
| VIP32个月 | $7.99 | one-time |


## Frequently asked questions

### Is i博思 free?

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

### Is 专利代理人题库 free?

专利代理人题库 is free to download, with in-app purchases available.

### Do i博思 or 专利代理人题库 have ads?

Neither i博思 nor 专利代理人题库 shows ads.

### Which is updated more often, i博思 or 专利代理人题库?

i博思 ships an update monthly, and 专利代理人题库 every 48 months. Most recently, i博思 was updated on October 5, 2026 and 专利代理人题库 on October 17, 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.*