# 鲸鱼AI助手 vs PDFToolAppNew

The clearest difference is in-app purchases: PDFToolAppNew at none against 鲸鱼AI助手's 6. PDFToolAppNew also leads on update cadence (daily vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 鲸鱼AI助手 sells 6 one-off in-app purchases. PDFToolAppNew asks for nothing beyond the download.

鲸鱼AI助手 ships an update every 3 weeks, PDFToolAppNew daily. The most recent releases landed on October 11, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 鲸鱼AI助手 | PDFToolAppNew |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 72 MB | 12 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [英杰 李](https://appshunter.io/developer/1801630224) | [乾鹏 王](https://appshunter.io/developer/1886947601) |

## What reviewers say

### 鲸鱼AI助手

[App page](https://appshunter.io/ios/app/ai-aiword/id6743194096)

Easily export AI-generated content, including Markdown and LaTeX formulas, into editable Word, PDF, or Excel documents. Solves formatting issues when copying AI conversations, supporting major AI platforms and various chart types.

**Highlights:** One-click AI content export, Fixes AI copy-paste formatting issues, Supports Markdown and LaTeX formulas, Converts Mermaid charts, Exports to Word, PDF, Excel, Compatible with major AI platforms, Privacy-focused with local, encrypted operations

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级会员日卡 | $0.99 | one-time |
| 高级会员周卡 | $1.99 | one-time |
| 高级会员月卡 | $3.99 | one-time |
| 高级会员季卡 | $5.99 | one-time |
| 高级会员年卡 | $14.99 | one-time |
| 高级会员永久卡 | $29.99 | one-time |


### PDFToolAppNew

[App page](https://appshunter.io/ios/app/pdftoolappnew/id6760968581)

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

**In-app purchases:** none


## Frequently asked questions

### Is 鲸鱼AI助手 free?

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

### Is PDFToolAppNew free?

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

### Do 鲸鱼AI助手 or PDFToolAppNew have ads?

Neither 鲸鱼AI助手 nor PDFToolAppNew shows ads.

### Which is updated more often, 鲸鱼AI助手 or PDFToolAppNew?

鲸鱼AI助手 ships an update every 3 weeks, and PDFToolAppNew daily. Most recently, 鲸鱼AI助手 was updated on October 11, 2026 and PDFToolAppNew on September 30, 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.*