# PDF Summarizer vs PDFai

The clearest difference is update cadence: PDFai at fortnightly against PDF Summarizer's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Summarizer sells 2 in-app purchases, starting at $6.99 per month and PDFai sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PDF Summarizer ships an update every 2 months, PDFai fortnightly. Both last shipped on October 25, 2026.

## The numbers

| Metric | PDF Summarizer | PDFai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/pdf-summarizer-summarize-pdf/id6761840907/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 78 MB | 96 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Asad Ahsan](https://appshunter.io/developer/1326954499) | [KolekciApps LLC](https://appshunter.io/developer/1873341851) |

## What reviewers say

### PDF Summarizer

[App page](https://appshunter.io/ios/app/pdf-summarizer-summarize-pdf/id6761840907)

This application uses AI to condense lengthy PDF documents into concise summaries, key insights, and structured reports. It allows users to interact with their documents by asking questions and clarifying specific sections, saving time and improving comprehension for study or professional use.

**Highlights:** AI PDF summarization, Chat with document AI, Highlight key points, Export summaries (TXT/PDF), Structured reports, Reading workflow optimization

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $6.99 | per month |
| Yearly Subscription | $29.99 | per year |


### PDFai

[App page](https://appshunter.io/ios/app/pdfai-pdf-chat-and-summarizer/id6780204877)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $99.99 | per year |


## Frequently asked questions

### Is PDF Summarizer free?

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

### Is PDFai free?

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

### Do PDF Summarizer or PDFai have ads?

Both PDF Summarizer and PDFai show ads.

### Which is updated more often, PDF Summarizer or PDFai?

PDF Summarizer ships an update every 2 months, and PDFai fortnightly. Most recently, PDF Summarizer was updated on October 25, 2026 and PDFai on October 25, 2026.

---

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