# Nutshell vs ChattyPDF AI

The clearest difference is update cadence: Nutshell at every 11 days against ChattyPDF AI's every 3 weeks. Nutshell also leads on iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Nutshell sells 2 in-app purchases, starting at $1.99 per 7 days and ChattyPDF AI sells 5 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Nutshell ships an update every 11 days, ChattyPDF AI every 3 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Nutshell | ChattyPDF AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (148 ratings)](https://appshunter.io/ios/app/chattypdf-ai-chat-wany-doc/id6451393269/reviews)** |
| Number of ratings | — | **148** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 67 MB | 94 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SK LABS LIMITED](https://appshunter.io/developer/1651362333) | [Adish Padhani](https://appshunter.io/developer/992727409) |

## What reviewers say

### Nutshell

[App page](https://appshunter.io/ios/app/nutshell-ai-summary-tool/id6449735676)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NutShell Pro | $1.99 | per 7 days |
| Nutshell Pro 1 Month | $3.99 | per month |


### ChattyPDF AI

[App page](https://appshunter.io/ios/app/chattypdf-ai-chat-wany-doc/id6451393269)

This AI-powered assistant allows you to chat with any document, extract key information, and generate instant summaries. Simply upload a file, ask a question, and receive precise answers in seconds, saving you time and effort.

**Highlights:** Chat with any document, Extract key information, Generate instant summaries, Get precise answers, Unlimited file size, Boost productivity

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chat PDF AI Pro Weekly | $6.99 | per 7 days |
| Chat PDF AI Pro Weekly | $6.99 | per 7 days |
| Chat PDF AI Pro Limited Offer | $34.99 | per year |
| Chat PDF AI Pro Yearly | $69.99 | per year |
| Chat PDF AI Pro Yearly | $69.99 | per year |


## Frequently asked questions

### Is Nutshell free?

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

### Is ChattyPDF AI free?

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

### Do Nutshell or ChattyPDF AI have ads?

Neither Nutshell nor ChattyPDF AI shows ads.

### Which is updated more often, Nutshell or ChattyPDF AI?

Nutshell ships an update every 11 days, and ChattyPDF AI every 3 weeks. Most recently, Nutshell was updated on October 27, 2026 and ChattyPDF AI 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.*