# PDF Reader vs Max AI Chat

The clearest difference is update cadence: Max AI Chat at monthly against PDF Reader's every 3 months. PDF Reader's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Reader sells 6 in-app purchases, starting at $2.99 per 7 days and Max AI Chat sells 6 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PDF Reader ships an update every 3 months, Max AI Chat monthly. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | PDF Reader | Max AI Chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/max-ai-chat/id6791541870/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Freemium |
| Size | 36 MB | 11 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [KTC Technology](https://appshunter.io/developer/1888724049) | [Appercat](https://appshunter.io/developer/1896007464) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-text-to-speech/id6763692217)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Standard | $2.99 | per 7 days |
| Weekly Pro | $6.99 | per 7 days |
| Monthly Standard | $8.99 | per month |
| Monthly Pro | $19.99 | per month |
| Annual Standard | $71.99 | per year |
| Annual Pro | $159.99 | per year |


### Max AI Chat

[App page](https://appshunter.io/ios/app/max-ai-chat/id6791541870)

This app offers a suite of AI-powered tools for everyday tasks. Generate images, edit photos, create videos, transcribe audio, translate languages, and get AI-assisted answers with cited sources. It consolidates multiple AI functionalities into a single, convenient application.

**Highlights:** Multiple AI models for chat, Photo editing and enhancement, AI-generated images and video, Audio transcription and text-to-speech, Multilingual translation, Web-grounded search and research, Document and code generation

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lite | $6.99 | per 7 days |
| Pro Plus | $19.99 | per month |
| Pro Premium | $49.99 | per 3 months |
| 1,000 Credits | $4.99 | one-time |
| 3,000 Credits | $11.99 | one-time |
| 9,000 Credits | $29.99 | one-time |


## Frequently asked questions

### Is PDF Reader free?

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

### Is Max AI Chat free?

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

### Do PDF Reader or Max AI Chat have ads?

Neither PDF Reader nor Max AI Chat shows ads.

### Which is updated more often, PDF Reader or Max AI Chat?

PDF Reader ships an update every 3 months, and Max AI Chat monthly. Most recently, PDF Reader was updated on October 31, 2026 and Max AI Chat on November 10, 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.*