Lightning Sync vs PDF Snap
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lightning Sync
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.
- Access photos from PC web browser
- Convert images to PNG/JPG
- Batch download photos/videos
- Preview photos/videos
- Setup web server on iOS device
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Lightning Sync helps you access your photos from your PC web browser.It setup a web server on your iOS device, and you can easily browse and download photos via web page.Its core features includes: convert image to PNG/JPG format, batch download, preview photos/videos. we offer three subscriptions: yearly,3 months,6 months, each subscription unlock all premium functions, such as batch images/videos download, and many new features that coming soon. terms of use: https://gitee.com/vctr/support/raw/master/termsOfUse
PDF Snap
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.
- Image to PDF conversion
- File merging
- Offline PDF compression
- PDF splitting and cropping
- Line slice for multi-item pages
- Watermark addition
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Convert photos and images to PDF, compress large PDF files, merge documents, and split or extract pages — all on your iPhone. PDF Snap processes your selected files on-device. Your documents and images are not uploaded to our servers. It is a one-time purchase with no subscription. Main features • Photos to PDF: Choose images from Photos or Files, set the page size and orientation, and create a standard or scan-style PDF. • PDF compression: Choose clarity-first, balanced, or stronger compression. Preview the estimated size before processing to balance readability and file size. • PDF merge: Combine PDF files and images into one document, reorder items, set a file name, and add a text watermark. • PDF split and page extraction: Select a page range and save only the pages you need as a new PDF. • Crop and guide-line slicing: Remove blank margins or unrelated areas, or drag split lines to turn several receipts, forms, or screenshots on one page into separate PDF pages. • Local history and export: Preview and rename results on your device, save them to Files, or use the iOS share sheet. Useful for • Turning photos, receipts, and screenshots into one PDF • Combining contracts, class notes, or work attachments • Reducing a PDF before email, chat, or form upload • Extracting selected pages from a long document • Cropping scan margins or unrelated content • Separating several receipts captured on one page PDF Snap is a one-time purchase with no subscription. Other than a manual Check for Updates action, core document processing does not depend on a network connection.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Lightning Sync | PDF Snap |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 33.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 16.6 |
| Further details — not scored | ||
| Size | 4 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | 振强 劳 | 晓洪 梁 |
Customer experience
Lightning Sync
PDF Snap
In-app purchases
Lightning Sync
- 3 Months Premium Access$3.993 Months
- 6 Months Premium Access$4.996 Months
- Yearly Premium Access$9.991 Year
PDF Snap
No in-app purchases









