# Dialectic vs PDFAI Scan

The clearest difference is in-app purchases: Dialectic at none against PDFAI Scan's 3. Dialectic also leads on update cadence (every 2 days vs every 6 weeks) and iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

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

Dialectic ships an update every 2 days, PDFAI Scan every 6 weeks. The most recent releases landed on December 24, 2025 and September 25, 2026 respectively.

## The numbers

| Metric | Dialectic | PDFAI Scan |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 56 MB | 69 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ICarta](https://appshunter.io/developer/1505094938) | [Duc Lai](https://appshunter.io/developer/1763002953) |

## What reviewers say

### Dialectic

[App page](https://appshunter.io/ios/app/dialectic/id6448723560)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Dialectic free?

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

### Is PDFAI Scan free?

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

### Do Dialectic or PDFAI Scan have ads?

Neither Dialectic nor PDFAI Scan shows ads.

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

Dialectic ships an update every 2 days, and PDFAI Scan every 6 weeks. Most recently, Dialectic was updated on December 24, 2025 and PDFAI Scan on September 25, 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.*