# ChatPDF vs SummaryPDF

The clearest difference is review sentiment: SummaryPDF at 90% against ChatPDF's 0%. SummaryPDF also leads on ads (none vs shown) and iOS requirement (13.0 vs 18.0). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. ChatPDF sells 2 in-app purchases, starting at $2.99 per 7 days and SummaryPDF sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ChatPDF ships an update every 2 months, SummaryPDF monthly. The most recent releases landed on October 30, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | ChatPDF | SummaryPDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/chatpdf-summarize-and-ask-pdf/id6502504985/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | **90.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 24 MB | 97 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Tiny Leo Co., Ltd](https://appshunter.io/developer/1660777736) | [Necati Atamer Sahin](https://appshunter.io/developer/1696264399) |

## What reviewers say

### ChatPDF

[App page](https://appshunter.io/ios/app/chatpdf-summarize-and-ask-pdf/id6502504985)

This AI-powered chatbot helps you interact with PDF documents by providing instant summaries, answering detailed questions, and highlighting key information. It streamlines document analysis for students, professionals, and researchers, saving time and enhancing understanding.

**Highlights:** Upload and chat with PDFs, Instant document summaries, Detailed Q&A on content, Keyword search and highlighting, Multi-language support, User-friendly interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Trial Premium | $2.99 | per 7 days |
| Yearly Premium | $29.99 | per year |


### SummaryPDF

[App page](https://appshunter.io/ios/app/summarypdf-chatpdf-and-summary/id6589522614)

This AI-powered tool helps you quickly summarize any document, PDF, or image. You can also chat with your documents to ask specific questions and get instant answers, making it ideal for students and professionals.

**Highlights:** Summarize any document (PDF, DOC, TXT, images), Chat with documents to ask questions, Export summaries as PDF, Customize summary detail level, Choose summary and chat language, Review past summaries and chats

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SummaryPDF Premium Weekly | $1.99 | per 7 days |
| SummaryPDF Premium Weekly | $1.99 | per 7 days |
| SummaryPDF Premium Annual | $49.99 | per year |


## Frequently asked questions

### Is ChatPDF free?

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

### Is SummaryPDF free?

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

### Do ChatPDF or SummaryPDF have ads?

ChatPDF shows ads; SummaryPDF does not.

### Which is updated more often, ChatPDF or SummaryPDF?

ChatPDF ships an update every 2 months, and SummaryPDF monthly. Most recently, ChatPDF was updated on October 30, 2026 and SummaryPDF on September 24, 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.*