# Alpha Note vs 得理AI

The clearest difference is in-app purchases: Alpha Note at none against 得理AI's 16. Alpha Note also leads on iOS requirement (9.0 vs 15.0). 得理AI's advantage is update cadence (every 6 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. 得理AI sells 15 in-app purchases, starting at $7.99 per month. Alpha Note asks for nothing beyond the download.

Alpha Note ships an update every 6 weeks, 得理AI every 6 days. The most recent releases landed on October 12, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Alpha Note | 得理AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Size | 55 MB | 142 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 12+ |
| Developer | [北京新橙科技有限公司](https://appshunter.io/developer/1317197863) | [深圳得理科技有限公司](https://appshunter.io/developer/1512357116) |

## What reviewers say

### Alpha Note

[App page](https://appshunter.io/ios/app/alpha-note/id1325527674)

**Features:** macOS Compatibility

**In-app purchases:** none


### 得理AI

[App page](https://appshunter.io/ios/app/ai/id1512357117)

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 得理法搜连续包月 | $7.99 | per month |
| 得理法搜连续包月 | $7.99 | per month |
| 得理法搜SVIP连续包月 | $12.99 | per month |
| 得理法搜SVIP连续包月 | $12.99 | per month |
| 得理法搜企业版企业会员连续包年 | $199.99 | per year |
| 首单得理法搜SVIP1个月 | $0.99 | one-time |
| 知识产权专业库包月服务 | $5.99 | one-time |
| 得理法搜包月会员 | $9.99 | one-time |
| 得理法搜SVIP包月会员 | $14.99 | one-time |
| 知识产权专业库半年服务 | $29.99 | one-time |
| 得理法搜6个月会员 | $39.99 | one-time |
| 得理法搜包年会员 | $59.99 | one-time |
| 知识产权专业库包年服务 | $59.99 | one-time |
| 得理法搜包年会员 | $69.99 | one-time |
| 得理法搜SVIP包年会员 | $99.99 | one-time |


## Frequently asked questions

### Is Alpha Note free?

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

### Is 得理AI free?

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

### Do Alpha Note or 得理AI have ads?

Neither Alpha Note nor 得理AI shows ads.

### Which is updated more often, Alpha Note or 得理AI?

Alpha Note ships an update every 6 weeks, and 得理AI every 6 days. Most recently, Alpha Note was updated on October 12, 2026 and 得理AI on October 21, 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.*