# Chat PDF Summary vs PDFChat AI

The clearest difference is update cadence: PDFChat AI at fortnightly against Chat PDF Summary's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Chat PDF Summary sells 6 in-app purchases, starting at $5.99 per 7 days and PDFChat AI sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Chat PDF Summary ships an update every 8 months, PDFChat AI fortnightly. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Chat PDF Summary | PDFChat AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/pdfchat-ai-chat-with-pdf/id6774671495/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Fortnightly** |
| Monetization | — | Freemium |
| Size | 9 MB | 29 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jose Sapon](https://appshunter.io/developer/1833571607) | [Artem Osetrov](https://appshunter.io/developer/1885616334) |

## What reviewers say

### Chat PDF Summary

[App page](https://appshunter.io/ios/app/chat-pdf-summary-ai-summarize/id6758478401)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Weekly | $5.99 | per 7 days |
| Plus Yearly | $49.99 | per year |
| Premium Version | $2.99 | one-time |
| Small Credits Pack | $4.99 | one-time |
| Medium Credits Pack | $6.99 | one-time |
| Large Credits Pack | $8.99 | one-time |


### PDFChat AI

[App page](https://appshunter.io/ios/app/pdfchat-ai-chat-with-pdf/id6774671495)

Interact with your documents by asking questions and receiving instant, cited answers. This app can also scan paper documents, summarize content, and translate text into over 50 languages. It's designed for efficient information extraction and understanding.

**Highlights:** Chat with PDFs and get cited answers, Scan paper documents with AI OCR, Summarize and extract key points, Translate documents to 50+ languages, Import PDF, DOCX, RTF, and TXT files, Private document processing on-device

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| PDFChat AI Yearly Premium | $29.99 | per year |


## Frequently asked questions

### Is Chat PDF Summary free?

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

### Is PDFChat AI free?

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

### Do Chat PDF Summary or PDFChat AI have ads?

Neither Chat PDF Summary nor PDFChat AI shows ads.

### Which is updated more often, Chat PDF Summary or PDFChat AI?

Chat PDF Summary ships an update every 8 months, and PDFChat AI fortnightly. Most recently, Chat PDF Summary was updated on November 5, 2026 and PDFChat AI on November 10, 2026.

---

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