# LavaRock vs Flash PDF

The clearest difference is rating: Flash PDF at 5.0 against LavaRock's 3.0. Flash PDF also leads on update cadence (fortnightly vs every 12 months). LavaRock's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Flash PDF holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

LavaRock ships an update every 12 months, Flash PDF fortnightly. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | LavaRock | Flash PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/lavarock/id6504584396/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flash-pdffast-readscan/id6742016312/reviews)** |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Fortnightly** |
| Monetization | **Free** | Ad-supported |
| Size | 4 MB | 29 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Independent L.L.C.](https://appshunter.io/developer/1752933214) | [VISION NETWORK TECHNOLOGY CO.,LIMITED](https://appshunter.io/developer/1717534539) |

## What reviewers say

### LavaRock

[App page](https://appshunter.io/ios/app/lavarock/id6504584396)

A privacy-focused web browser designed to offer an alternative to mainstream options. It emphasizes user data protection, offering private browsing modes and features to block trackers and malware.

**Highlights:** Private browsing mode (Eruption mode), Tracker and malware prevention (AfterBurner), No user data collection or sale, No account required, Intuitive navigation gestures

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Flash PDF

[App page](https://appshunter.io/ios/app/flash-pdffast-readscan/id6742016312)

Easily convert photos and images into PDF documents. Merge multiple PDFs into one or split large files into smaller ones. Streamline your document processing with a simple and intuitive interface.

**Highlights:** Photo to PDF conversion, Image to PDF conversion, Merge PDF files, Split PDF files, Intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LavaRock free?

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

### Is Flash PDF free?

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

### Which has better reviews, LavaRock or Flash PDF?

Flash PDF is rated higher. LavaRock averages 3.0 out of 5 from 2 ratings, while Flash PDF averages 5.0 from 1 ratings.

### Do LavaRock or Flash PDF have ads?

Flash PDF shows ads; LavaRock does not.

### Which is updated more often, LavaRock or Flash PDF?

LavaRock ships an update every 12 months, and Flash PDF fortnightly. Most recently, LavaRock was updated on October 21, 2026 and Flash PDF on October 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.*