# ChattyPDF AI vs Instayield

The clearest difference is in-app purchases: Instayield at none against ChattyPDF AI's 5. Instayield also leads on iOS requirement (11.0 vs 15.0). ChattyPDF AI's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. ChattyPDF AI sells 5 in-app purchases, starting at $6.99 per 7 days. Instayield asks for nothing beyond the download.

ChattyPDF AI ships an update every 3 weeks, Instayield every 3 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ChattyPDF AI | Instayield |
| --- | --- | --- |
| 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 | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 94 MB | 16 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Adish Padhani](https://appshunter.io/developer/992727409) | [Agronet Spa](https://appshunter.io/developer/1616171552) |

## What reviewers say

### 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 |


### Instayield

[App page](https://appshunter.io/ios/app/instayield/id6465894186)

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

**In-app purchases:** none


## Frequently asked questions

### Is ChattyPDF AI free?

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

### Is Instayield free?

Instayield is free to download, with no in-app purchases.

### Do ChattyPDF AI or Instayield have ads?

Neither ChattyPDF AI nor Instayield shows ads.

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

ChattyPDF AI ships an update every 3 weeks, and Instayield every 3 months. Most recently, ChattyPDF AI was updated on October 24, 2026 and Instayield on October 7, 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.*