# 水印大师专业版 vs Liyn

The clearest difference is device support: 水印大师专业版 at 3 against Liyn's 1. 水印大师专业版 also leads on iOS requirement (10.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 水印大师专业版 | Liyn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/liyn/id6751191151/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Monetization | — | Free |
| Size | 12 MB | 3 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [伟 张](https://appshunter.io/developer/1469709571) | [Wai Man SIN](https://appshunter.io/developer/1786960385) |

## What reviewers say

### 水印大师专业版

[App page](https://appshunter.io/ios/app/id1503308277)

**Features:** macOS Compatibility

**In-app purchases:** none


### Liyn

[App page](https://appshunter.io/ios/app/liyn/id6751191151)

This AI assistant offers advanced multi-turn dialogue for problem-solving in writing, programming, translation, and academics. It supports photo, internet, and file searches for instant AI analysis.

**Highlights:** Multi-turn interactive dialogue, Problem formulation and solution, Writing assistance, Programming help, Translation support, Academic and work problem-solving, Photo and internet search, File upload analysis

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 水印大师专业版 free?

水印大师专业版 is free to download, with no in-app purchases.

### Is Liyn free?

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

### Do 水印大师专业版 or Liyn have ads?

Neither 水印大师专业版 nor Liyn 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.*