# ChatPDF vs Slides AI

The clearest difference is monetization model: ChatPDF at free with in-app purchases against Slides AI's subscription. ChatPDF also leads on rating (4.6 vs 4.3) and ratings volume (95 vs 16). Slides AI's advantage is ads (none vs shown). On price, review sentiment, update cadence and in-app purchases there is nothing between them.

Both are free to download. ChatPDF sells 2 in-app purchases, starting at $14.99 per month and Slides AI sells 10 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ChatPDF holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: ChatPDF has 95 ratings behind it against 16, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

ChatPDF ships an update every 4 days, Slides AI every 5 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ChatPDF | Slides AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (95 ratings)](https://appshunter.io/ios/app/chatpdf-chat-pdf-ai/id6742454061/reviews)** | [4.3 (16 ratings)](https://appshunter.io/ios/app/slides-ai-presentation-maker/id6775854882/reviews) |
| Number of ratings | **95** | 16 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 41 MB | 28 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ChatPDF GmbH](https://appshunter.io/developer/1711436087) | [Denys Hodushko](https://appshunter.io/developer/6775854884) |

## What reviewers say

### ChatPDF

[App page](https://appshunter.io/ios/app/chatpdf-chat-pdf-ai/id6742454061)

This AI-powered tool allows you to ask questions and get summaries directly from your PDF documents. It supports multiple files, OCR, and multilingual interactions, making complex information easily accessible.

**Highlights:** Instant answers from PDFs, Quick document summaries, Chat with multiple PDFs, OCR for scanned documents, Multilingual support, Cross-device access

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plus Subscription | $14.99 | per month |
| ChatPDF Yearly Plus Plan | $89.99 | per year |


### Slides AI

[App page](https://appshunter.io/ios/app/slides-ai-presentation-maker/id6775854882)

Transform ideas into professional presentations instantly. This AI-powered tool generates complete slide decks from text prompts, PDFs, or web links, offering automatic design and easy editing. Organize, export, and share your polished presentations with ease.

**Highlights:** Generate presentations from text prompts, Convert PDFs and web links to slides, Automatic professional slide design, Edit text, structure, and slide details, Organize presentations in a library, Export and share decks

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premuim For Less | $4.99 | per 7 days |
| Unlock Premuim For Less | $5.99 | per 7 days |
| Double Credits Booster | $6.99 | per 7 days |
| Unlock Premuim For Less | $6.99 | per 7 days |
| Unlock Premuim | $8.99 | per 7 days |
| Double Credits Booster | $19.99 | per month |
| Unlock Premuim | $24.99 | per month |
| 200 Presentation Credits | $4.99 | one-time |
| 500 Presentation Credits | $9.99 | one-time |
| 1000 Presentation Credits | $17.99 | one-time |


## Frequently asked questions

### Is ChatPDF free?

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

### Is Slides AI free?

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

### Which has better reviews, ChatPDF or Slides AI?

ChatPDF is rated higher. ChatPDF averages 4.6 out of 5 from 95 ratings, while Slides AI averages 4.3 from 16 ratings.

### Do ChatPDF or Slides AI have ads?

ChatPDF shows ads; Slides AI does not.

### Which is updated more often, ChatPDF or Slides AI?

ChatPDF ships an update every 4 days, and Slides AI every 5 days. Most recently, ChatPDF was updated on November 4, 2026 and Slides AI on November 5, 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.*