# AI PDF Summarizer & Doc Chat vs Summary AI

The clearest difference is update cadence: Summary AI at every 3 weeks against AI PDF Summarizer & Doc Chat's every 6 weeks. AI PDF Summarizer & Doc Chat's advantage is iOS requirement (15 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI PDF Summarizer & Doc Chat sells 3 in-app purchases, starting at $6.49 per 7 days and Summary AI sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

AI PDF Summarizer & Doc Chat ships an update every 6 weeks, Summary AI every 3 weeks. Both last shipped on November 5, 2026.

## The numbers

| Metric | AI PDF Summarizer & Doc Chat | Summary AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/ai-pdf-summarizer-and-doc-chat/id6756771374/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 77 MB | 43 MB |
| Requires iOS | **15** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nisha Sethiya](https://appshunter.io/developer/1841358619) | [Manthan Prajapati](https://appshunter.io/developer/1851010143) |

## What reviewers say

### AI PDF Summarizer & Doc Chat

[App page](https://appshunter.io/ios/app/ai-pdf-summarizer-and-doc-chat/id6756771374)

Instantly summarize lengthy documents, extract key information, and ask questions about your files. This tool saves time for students, professionals, and researchers by providing quick insights from PDFs, Word docs, and text files.

**Highlights:** Summarize any PDF, Word doc, or text file, Extract key points from research papers, Ask questions about document content, Analyze contracts and legal files, Save time on document review

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.49 | per 7 days |
| Monthly | $8.99 | per month |
| Yearly | $24.99 | per year |


### Summary AI

[App page](https://appshunter.io/ios/app/summary-ai-notes-and-summarize/id6759404214)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pro monthly | $5.99 | per month |
| pro yearly | $12.99 | per year |


## Frequently asked questions

### Is AI PDF Summarizer & Doc Chat free?

AI PDF Summarizer & Doc Chat is free to download, with in-app purchases available.

### Is Summary AI free?

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

### Do AI PDF Summarizer & Doc Chat or Summary AI have ads?

Neither AI PDF Summarizer & Doc Chat nor Summary AI shows ads.

### Which is updated more often, AI PDF Summarizer & Doc Chat or Summary AI?

AI PDF Summarizer & Doc Chat ships an update every 6 weeks, and Summary AI every 3 weeks. Most recently, AI PDF Summarizer & Doc Chat was updated on November 5, 2026 and Summary AI on November 5, 2026.

---

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