# PDFAI Scan vs ChatG

The clearest difference is iOS requirement: ChatG at 12.0 against PDFAI Scan's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. PDFAI Scan sells 3 in-app purchases, starting at $3.99 per 7 days and ChatG sells 4 in-app purchases, starting at $6.00 per 7 days. Whichever you choose, the download price is not the number that matters.

PDFAI Scan ships an update every 6 weeks, ChatG every 2 months. The most recent releases landed on October 12, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | PDFAI Scan | ChatG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/pdfai-scan-document-scanner/id6654887952/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 69 MB | 159 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Duc Lai](https://appshunter.io/developer/1763002953) | [PIXELZ360 PTY LTD](https://appshunter.io/developer/1783178557) |

## What reviewers say

### PDFAI Scan

[App page](https://appshunter.io/ios/app/pdfai-scan-document-scanner/id6654887952)

Transform your device into a smart document scanner with AI-powered study tools. Easily scan, convert, and enhance documents, then leverage AI for summaries, flashcards, and interactive quizzes. Listen to documents read aloud and share your work in various formats.

**Highlights:** AI-powered document scanning, OCR text extraction, AI study tools (summaries, flashcards, quizzes), Text-to-Speech functionality, Export to PDF, Word, Text, Images, iCloud sync across devices

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDFAI Scan Premium Weekly | $3.99 | per 7 days |
| PDFAI Scan Premium Monthly | $4.99 | per month |
| Premium Account(1 year) | $39.99 | per year |


### ChatG

[App page](https://appshunter.io/ios/app/chatg-ai-chat-bot-assistant/id6739484819)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $6.00 | per 7 days |
| Premium Yearly | $60.00 | per month |
| ChatG: AI Chat Bot Assistant | $5.99 | one-time |
| ChatG: AI Chat Bot Assistant | $59.99 | one-time |


## Frequently asked questions

### Is PDFAI Scan free?

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

### Is ChatG free?

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

### Do PDFAI Scan or ChatG have ads?

Neither PDFAI Scan nor ChatG shows ads.

### Which is updated more often, PDFAI Scan or ChatG?

PDFAI Scan ships an update every 6 weeks, and ChatG every 2 months. Most recently, PDFAI Scan was updated on October 12, 2026 and ChatG on October 2, 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.*