# Summarize Text Summary vs ChatPDF

The clearest difference is ads: ChatPDF at none against Summarize Text Summary's shown. ChatPDF also leads on update cadence (every 2 months vs every 6 months). Summarize Text Summary's advantage is rating (4.5 vs 4.2) and ratings volume (18 vs 6). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Summarize Text Summary sells 6 in-app purchases, starting at $0.99 per month and ChatPDF sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Summarize Text Summary holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 18 and 6 respectively.

Summarize Text Summary ships an update every 6 months, ChatPDF every 2 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Summarize Text Summary | ChatPDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (18 ratings)](https://appshunter.io/ios/app/summarize-text-summary/id6446126096/reviews)** | [4.2 (6 ratings)](https://appshunter.io/ios/app/chatpdf-essay-and-summary-ai/id6450712465/reviews) |
| Number of ratings | **18** | 6 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 154 MB | 64 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sick App Developers GmbH](https://appshunter.io/developer/1507412735) | [Can TASPINAR](https://appshunter.io/developer/884490998) |

## What reviewers say

### Summarize Text Summary

[App page](https://appshunter.io/ios/app/summarize-text-summary/id6446126096)

This AI-powered tool quickly condenses lengthy text into concise summaries, extracts key insights, and generates intelligent notes. It supports various text formats and allows for customizable output, helping users save time and stay organized.

**Highlights:** Effortless text summaries, Smart note-taking, Keyword extraction, Supports all text formats, Customizable output detail, Save and manage notes, Seamless sharing

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Summary Gold Monthly | $0.99 | per month |
| Summary Platinum Monthly | $2.99 | per month |
| Summary Diamond Monthly | $4.99 | per month |
| Summary Gold Yearly | $9.99 | per year |
| Summary Platinum Yearly | $29.99 | per year |
| Summary Diamond Yearly | $79.99 | per year |


### ChatPDF

[App page](https://appshunter.io/ios/app/chatpdf-essay-and-summary-ai/id6450712465)

Instantly extract information from PDFs, videos, and websites by asking questions. Get precise answers for homework, research, and study. Offers free daily credits and a Pro plan for unlimited access.

**Highlights:** Ask questions about PDF content, Summarize videos and websites, AI-powered precise answers, Homework and exam preparation, Free daily credits, Multilingual support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - Weekly | $2.99 | per 7 days |
| Pro - 1 Month | $4.99 | per month |
| Pro - Annual | $29.99 | per year |


## Frequently asked questions

### Is Summarize Text Summary free?

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

### Is ChatPDF free?

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

### Which has better reviews, Summarize Text Summary or ChatPDF?

Summarize Text Summary is rated higher. Summarize Text Summary averages 4.5 out of 5 from 18 ratings, while ChatPDF averages 4.2 from 6 ratings.

### Do Summarize Text Summary or ChatPDF have ads?

Summarize Text Summary shows ads; ChatPDF does not.

### Which is updated more often, Summarize Text Summary or ChatPDF?

Summarize Text Summary ships an update every 6 months, and ChatPDF every 2 months. Most recently, Summarize Text Summary was updated on October 27, 2026 and ChatPDF on October 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.*