# noteE vs 今知错题本：批量拍照录题，思维导图笔记复习高效整理工具

The clearest difference is update cadence: 今知错题本：批量拍照录题，思维导图笔记复习高效整理工具 at every 4 days against noteE's every 9 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. noteE sells 5 in-app purchases, starting at $0.99 per 7 days and 今知错题本：批量拍照录题，思维导图笔记复习高效整理工具 sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

noteE ships an update every 9 days, 今知错题本：批量拍照录题，思维导图笔记复习高效整理工具 every 4 days. The most recent releases landed on September 22, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | noteE | 今知错题本：批量拍照录题，思维导图笔记复习高效整理工具 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (11 ratings)](https://appshunter.io/ios/app/notee-ai-notes-and-docs/id1669201695/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | Free | — |
| Size | 294 MB | 27 MB |
| Requires iOS | **17.0** | 17.5 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Huaxia Xufu (Beijing) Technology Co., Ltd](https://appshunter.io/developer/1669199483) | [惠桐 董](https://appshunter.io/developer/1822284792) |

## What reviewers say

### noteE

[App page](https://appshunter.io/ios/app/notee-ai-notes-and-docs/id1669201695)

This app transforms handwritten notes into text with AI, recognizes math formulas, and generates review questions. It also creates mind maps from notes, answers questions in natural language, and supports various export formats. Enjoy unlimited note-taking with customizable templates and iCloud sync.

**Highlights:** AI handwriting conversion, Smart formula recognition, AI-generated review questions, AI mind map generation, Natural language Q&A search, Export to PDF, PNG, JPEG, iCloud backup and sync

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 书笺森罗（周版本） | $0.99 | per 7 days |
| 书笺森罗（月版本） | $3.99 | per month |
| 书笺森罗（季度版本） | $5.99 | per 3 months |
| 书笺森罗（年度版本） | $7.99 | per year |
| 书笺森罗 | $9.99 | one-time |


### 今知错题本：批量拍照录题，思维导图笔记复习高效整理工具

[App page](https://appshunter.io/ios/app/id6747738523)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 今知错题本月度Pro会员 | $0.99 | per month |


## Frequently asked questions

### Is noteE free?

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

### Is 今知错题本：批量拍照录题，思维导图笔记复习高效整理工具 free?

今知错题本：批量拍照录题，思维导图笔记复习高效整理工具 is free to download, with in-app purchases available.

### Do noteE or 今知错题本：批量拍照录题，思维导图笔记复习高效整理工具 have ads?

Neither noteE nor 今知错题本：批量拍照录题，思维导图笔记复习高效整理工具 shows ads.

### Which is updated more often, noteE or 今知错题本：批量拍照录题，思维导图笔记复习高效整理工具?

noteE ships an update every 9 days, and 今知错题本：批量拍照录题，思维导图笔记复习高效整理工具 every 4 days. Most recently, noteE was updated on September 22, 2026 and 今知错题本：批量拍照录题，思维导图笔记复习高效整理工具 on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*