# PDFAI Scan vs Big Time App

The clearest difference is in-app purchases: Big Time App at none against PDFAI Scan's 3. PDFAI Scan's advantage is update cadence (every 6 weeks vs every 11 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDFAI Scan sells 3 in-app purchases, starting at $3.99 per 7 days. Big Time App asks for nothing beyond the download.

PDFAI Scan ships an update every 6 weeks, Big Time App every 11 months. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PDFAI Scan | Big Time App |
| --- | --- | --- |
| 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 | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 11 months |
| Monetization | Free with in-app purchases | — |
| Size | 69 MB | 345 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Duc Lai](https://appshunter.io/developer/1763002953) | [Big Gun Digital Ltd](https://appshunter.io/developer/1770464160) |

## 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 |


### Big Time App

[App page](https://appshunter.io/ios/app/big-time-app/id6717590858)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is PDFAI Scan free?

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

### Is Big Time App free?

Big Time App is free to download, with no in-app purchases.

### Do PDFAI Scan or Big Time App have ads?

Neither PDFAI Scan nor Big Time App shows ads.

### Which is updated more often, PDFAI Scan or Big Time App?

PDFAI Scan ships an update every 6 weeks, and Big Time App every 11 months. Most recently, PDFAI Scan was updated on October 12, 2026 and Big Time App on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*