# WhiteStar StarDrop vs PDFAI Scan

The clearest difference is in-app purchases: WhiteStar StarDrop at none against PDFAI Scan's 3. WhiteStar StarDrop also leads on update cadence (fortnightly vs every 6 weeks). 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. WhiteStar StarDrop asks for nothing beyond the download.

WhiteStar StarDrop ships an update fortnightly, PDFAI Scan every 6 weeks. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | WhiteStar StarDrop | 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 | **Fortnightly** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 80 MB | 69 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Whitestar Communications, Inc.](https://appshunter.io/developer/1486885060) | [Duc Lai](https://appshunter.io/developer/1763002953) |

## What reviewers say

### WhiteStar StarDrop

[App page](https://appshunter.io/ios/app/whitestar-stardrop/id6477874747)

**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 WhiteStar StarDrop free?

WhiteStar StarDrop 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 WhiteStar StarDrop or PDFAI Scan have ads?

Neither WhiteStar StarDrop nor PDFAI Scan shows ads.

### Which is updated more often, WhiteStar StarDrop or PDFAI Scan?

WhiteStar StarDrop ships an update fortnightly, and PDFAI Scan every 6 weeks. Most recently, WhiteStar StarDrop was updated on October 24, 2026 and PDFAI Scan on October 12, 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.*