# Lightning Sync vs PDF Snap

The clearest difference is review sentiment: PDF Snap at 100% against Lightning Sync's 33%. PDF Snap also leads on in-app purchases (none vs 3). Lightning Sync's advantage is price (Free vs $2.99) and update cadence (every 2 days vs fortnightly). On ads and iOS requirement there is nothing between them.

Lightning Sync is free to download; PDF Snap costs $2.99 up front. Lightning Sync sells 3 in-app purchases, starting at $3.99 per 3 months. PDF Snap asks for nothing beyond the download.

Lightning Sync ships an update every 2 days, PDF Snap fortnightly. The most recent releases landed on June 4, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Lightning Sync | PDF Snap |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/lightning-sync/id6742749461/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Fortnightly |
| Monetization | **Freemium** | Paid |
| Size | 4 MB | 3 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [振强 劳](https://appshunter.io/developer/1515679559) | [晓洪 梁](https://appshunter.io/developer/1799607125) |

## What reviewers say

### Lightning Sync

[App page](https://appshunter.io/ios/app/lightning-sync/id6742749461)

Access your iOS device's photos from your PC's web browser. Easily browse, convert images to JPG/PNG, and download them in batches. Unlock premium features with a subscription for enhanced functionality.

**Highlights:** Access photos from PC web browser, Convert images to PNG/JPG, Batch download photos/videos, Preview photos/videos, Setup web server on iOS device

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Months Premium Access | $3.99 | per 3 months |
| 6 Months Premium Access | $4.99 | per 6 months |
| Yearly Premium Access | $9.99 | per year |


### PDF Snap

[App page](https://appshunter.io/ios/app/pdf-snap-photo-converter/id6743408614)

This utility app allows you to manage PDF files directly on your iPhone without an internet connection. It offers features like converting images to PDF, merging files, compressing documents, and splitting pages. It's designed for efficient mobile PDF workflows, prioritizing privacy and ease of use for everyday tasks.

**Highlights:** Image to PDF conversion, File merging, Offline PDF compression, PDF splitting and cropping, Line slice for multi-item pages, Watermark addition

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

**In-app purchases:** none


## Frequently asked questions

### Is Lightning Sync free?

Lightning Sync is free to download, with in-app purchases available.

### Is PDF Snap free?

PDF Snap costs $2.99, with no in-app purchases.

### Do Lightning Sync or PDF Snap have ads?

Neither Lightning Sync nor PDF Snap shows ads.

### Which is updated more often, Lightning Sync or PDF Snap?

Lightning Sync ships an update every 2 days, and PDF Snap fortnightly. Most recently, Lightning Sync was updated on June 4, 2026 and PDF Snap on September 20, 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.*