# Smart Mining Strobe vs PDF Converter

The clearest difference is in-app purchases: Smart Mining Strobe at none against PDF Converter's 3. Smart Mining Strobe also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PDF Converter sells 3 in-app purchases, starting at $9.99 per 7 days. Smart Mining Strobe asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Smart Mining Strobe | PDF Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (6 ratings)](https://appshunter.io/ios/app/pdf-converter-docs-scanner/id6773582437/reviews)** |
| Number of ratings | — | **6** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | — | Free with in-app purchases |
| Size | 45 MB | 58 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andre Jansen van Rensburg](https://appshunter.io/developer/1794821710) | [Komal Gangani](https://appshunter.io/developer/1854018266) |

## What reviewers say

### Smart Mining Strobe

[App page](https://appshunter.io/ios/app/smart-mining-strobe/id6741593790)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Converter

[App page](https://appshunter.io/ios/app/pdf-converter-docs-scanner/id6773582437)

This app transforms your mobile device into a powerful PDF scanner and editor. Convert various file types to and from PDF, perform OCR for searchable text, and secure your documents with passwords and encryption. It offers a comprehensive suite of tools for managing, signing, and annotating PDFs without needing a desktop.

**Highlights:** Mobile document scanning with auto edge detection, On-device OCR for searchable text, Convert to/from PDF and multiple file formats, Merge, split, reorder, and compress PDFs, Sign, fill forms, and annotate documents, Password protection and redaction, iCloud sync and share sheet integration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $9.99 | per 7 days |
| Weekly | $9.99 | per 7 days |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is Smart Mining Strobe free?

Smart Mining Strobe is free to download, with no in-app purchases.

### Is PDF Converter free?

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

### Do Smart Mining Strobe or PDF Converter have ads?

Neither Smart Mining Strobe nor PDF Converter shows ads.

### Which is updated more often, Smart Mining Strobe or PDF Converter?

Smart Mining Strobe ships an update every 5 days, and PDF Converter every 5 days. Most recently, Smart Mining Strobe was updated on October 25, 2026 and PDF Converter on October 27, 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.*