# 得到大脑（原Get笔记） vs Authenticator

The clearest difference is iOS requirement: 得到大脑（原Get笔记） at 13.0 against Authenticator's 15.0. On price, ads, in-app purchases 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 and Authenticator sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 得到大脑（原Get笔记） | Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (45 ratings)](https://appshunter.io/ios/app/get-ai/id6711334436/reviews)** | — |
| Number of ratings | **45** | — |
| Positive reviews | 78.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Freemium | — |
| Size | 269 MB | 2 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [luojilab](https://appshunter.io/developer/927765679) | [冬 杨](https://appshunter.io/developer/1887142490) |

## What reviewers say

### 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 |


### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-2fa-and-otp-codes/id6809370927)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator周会员 | $4.99 | per 7 days |
| Authenticator月会员 | $14.99 | per month |
| Authenticator年会员 | $29.99 | per year |
| Authenticator终身会员 | $39.99 | one-time |


## Frequently asked questions

### 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.

### Is Authenticator free?

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

### Do 得到大脑（原Get笔记） or Authenticator have ads?

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

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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.*