# Summary vs Chat4PDF.PDF Summary & AI Chat

The clearest difference is ads: Summary at none against Chat4PDF.PDF Summary & AI Chat's shown. Summary also leads on update cadence (every 4 weeks vs every 9 months). Chat4PDF.PDF Summary & AI Chat's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price and in-app purchases there is nothing between them.

Both are free to download. Summary sells 4 in-app purchases, starting at $9.99 per month and Chat4PDF.PDF Summary & AI Chat sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Summary ships an update every 4 weeks, Chat4PDF.PDF Summary & AI Chat every 9 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Summary | Chat4PDF.PDF Summary & AI Chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (37 ratings)](https://appshunter.io/ios/app/summary-ai-text-summarizer/id6446232928/reviews)** | — |
| Number of ratings | **37** | — |
| Positive reviews | 82.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 weeks** | Every 9 months |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 100 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Ruben Avanesov](https://appshunter.io/developer/1676835916) | [Magdalena Torres Melis](https://appshunter.io/developer/1250343862) |

## What reviewers say

### Summary

[App page](https://appshunter.io/ios/app/summary-ai-text-summarizer/id6446232928)

This AI-powered tool simplifies long texts into concise summaries and bullet points. It also offers instant translation of content into over 40 languages, making information more accessible and efficient to consume.

**Highlights:** AI-powered summarization, Bullet point summaries, Translate to 40+ languages, Intuitive user interface, Share Extension integration, Fast and accurate translation

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access | $9.99 | per month |
| Six Months Subscription | $29.99 | per 6 months |
| Summarizr Premium - Monthly | $9.99 | one-time |
| Lifetime Full Access | $29.99 | one-time |

**What reviewers like**

- 🚀 Efficient content condenser
- ✨ Essence in brevity
- 💡 Extremely useful for work
- 🌟 Cool app with translation bonus
- 👍 Great app for simplifying content

**What reviewers complain about**

- ❌ Mediocre 1,000 character limit
- 🐛 Broken - will not load text or URL
- 🐛 Simply doesn’t work after payment
- ❓ Questionable app with grammar error
- 💸 Needs to be free, expensive trial

**Reported bugs**

- Will not load text or URL
- Blank white screen after purchase/account creation
- API key does not work
- Grammar error in 'Get started' button

**Requested features**

- Make the app free with donation options
- More customization options for summaries


### Chat4PDF.PDF Summary & AI Chat

[App page](https://appshunter.io/ios/app/chat4pdfpdf-summary-and-ai-chat/id6505013437)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| English | $2.99 | per 7 days |
| Yearly Subscription | $29.99 | per year |


## Frequently asked questions

### Is Summary free?

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

### Is Chat4PDF.PDF Summary & AI Chat free?

Chat4PDF.PDF Summary & AI Chat is free to download, with in-app purchases available.

### Do Summary or Chat4PDF.PDF Summary & AI Chat have ads?

Chat4PDF.PDF Summary & AI Chat shows ads; Summary does not.

### Which is updated more often, Summary or Chat4PDF.PDF Summary & AI Chat?

Summary ships an update every 4 weeks, and Chat4PDF.PDF Summary & AI Chat every 9 months. Most recently, Summary was updated on November 3, 2026 and Chat4PDF.PDF Summary & AI Chat on November 4, 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.*