# 通达OA vs 得到大脑（原Get笔记）

The clearest difference is review sentiment: 得到大脑（原Get笔记） at 78% against 通达OA's 17%. 通达OA's advantage is in-app purchases (none vs 2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 得到大脑（原Get笔记） sells 2 in-app purchases, starting at $4.99 per month. 通达OA asks for nothing beyond the download.

通达OA ships an update every 9 days, 得到大脑（原Get笔记） weekly. Both last shipped on October 30, 2026.

## The numbers

| Metric | 通达OA | 得到大脑（原Get笔记） |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (45 ratings)](https://appshunter.io/ios/app/get-ai/id6711334436/reviews)** |
| Number of ratings | — | **45** |
| Positive reviews | 17.4% of reviews | **78.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 210 MB | 253 MB |
| Requires iOS | 13 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [北京通达信科科技有限公司](https://appshunter.io/developer/1018115125) | [luojilab](https://appshunter.io/developer/927765679) |

## What reviewers say

### 通达OA

[App page](https://appshunter.io/ios/app/oa/id1476669086)

This mobile application provides a network-based intelligent office system for businesses. It offers features like email, announcements, scheduling, and workflow management, aiming to enhance corporate productivity.

**Highlights:** Email, Announcements, Schedule Management, Contact Directory, Workflow, Micro-messages

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

**In-app purchases:** none


### 得到大脑（原Get笔记）

[App page](https://appshunter.io/ios/app/get-ai/id6711334436)

This AI-powered app transforms your spoken ideas, recordings, images, and web links into structured, polished notes. It offers intelligent search to quickly find information within your notes and supports text refinement. Ideal for work, study, and personal life organization.

**Highlights:** AI voice recording to text, AI image to text recognition, AI web link content summarization, AI text refinement and error correction, Intelligent AI-powered search within notes, Structured note organization

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 得到大脑会员连续包月 | $4.99 | per month |
| 得到大脑会员连续包年 | $49.99 | per year |


## Frequently asked questions

### Is 通达OA free?

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

### Is 得到大脑（原Get笔记） free?

得到大脑（原Get笔记） is free to download, with in-app purchases available.

### Do 通达OA or 得到大脑（原Get笔记） have ads?

Neither 通达OA nor 得到大脑（原Get笔记） shows ads.

### Which is updated more often, 通达OA or 得到大脑（原Get笔记）?

通达OA ships an update every 9 days, and 得到大脑（原Get笔记） weekly. Most recently, 通达OA was updated on October 30, 2026 and 得到大脑（原Get笔记） on October 30, 2026.

---

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