# PDF Tools vs Pi Design

The clearest difference is in-app purchases: Pi Design at none against PDF Tools's 2. Pi Design also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Tools sells 2 in-app purchases, starting at $2.99 per 7 days. Pi Design asks for nothing beyond the download.

## The numbers

| Metric | PDF Tools | Pi Design |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pi-design/id6742815061/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | — |
| Monetization | — | Free |
| Size | 5 MB | 22 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [云峰 林](https://appshunter.io/developer/1740866485) | [上海醒智科技有限公司](https://appshunter.io/developer/1715258475) |

## What reviewers say

### PDF Tools

[App page](https://appshunter.io/ios/app/pdf-tools-merge-split-edit/id6738097501)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Assistant Weekly VIP+Trial | $2.99 | per 7 days |
| PDF Assistant Permanent VIP | $3.99 | one-time |


### Pi Design

[App page](https://appshunter.io/ios/app/pi-design/id6742815061)

An AI-powered platform for content creation and sharing, integrating knowledge management, a design engine, and an AI-native editor. It offers a comprehensive intelligent agent co-pilot system for professional-quality, efficient content development and sharing globally.

**Highlights:** AI-native content creation, Knowledge management integration, Design engine, AI-native editor, Content sharing

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Tools free?

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

### Is Pi Design free?

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

### Do PDF Tools or Pi Design have ads?

PDF Tools shows ads; Pi Design does not.

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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.*