Comparison

Offline PDF Merge vs PDF Compressor

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Offline PDF Merge

Features
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Offline PDF Merge lets you merge, split, reorder, and compress PDFs entirely on your iPhoneβ€”with complete privacy. No internet required. No uploads. No account. All PDF processing happens locally on your device, so your documents never leave your phone. Fast, simple, and built with native iOS technologies. WHY CHOOSE OFFLINE PDF MERGE? - 100% Offline & Private - All processing is done on-device. - No cloud uploads, no servers, no tracking. - Your files remain completely private. - Works without an internet connection. FAST & POWERFUL - Merge multiple PDF files in seconds. - Split PDFs using page ranges like β€œ1-3,5,7-9”. - Reorder pages with intuitive drag-and-drop. - Compress large PDFs for easy email sharing. DEEP iOS INTEGRATION - Import PDFs directly from the Files app. - Use Share Sheet support to merge PDFs from any app. - Home screen widget for quick actions. - Native iOS design that feels built-in and familiar. PERFECT FOR - Students compiling assignments - Professionals handling contracts and reports - Anyone working with sensitive documents - Users who value privacy, speed, and simplicity FEATURES - Merge PDFs Combine multiple PDF files into a single document. Select files from your iPhone or iCloud Drive, preview the order, and merge instantly. - Split PDFs Extract specific pages using simple ranges such as β€œ1-3,5,7-9” and create new PDFs from large documents. - Reorder Pages Drag and drop page thumbnails to rearrange pages. Ideal for fixing page order or creating custom documents. - Compress PDFs Reduce file size for email sharing. Choose from three presets: Email, Balanced, or High Quality. - Recent Files Quick access to recently used PDFs using security-scoped bookmarksβ€”no need to search through folders again. - Home Screen Widget One-tap access to Merge and Split tools right from your home screen. PRIVACY FIRST Unlike many PDF apps, Offline PDF Merge: - Never uploads your files - Does not require accounts or logins - Contains no analytics or tracking - Works entirely offline - Uses Apple’s PDFKit for on-device processing - Open source and transparent. View the code on GitHub. TECHNICAL DETAILS - Supports all standard PDF files - Processes files up to 100 MB (device-dependent) - Built using Apple’s native PDFKit framework - Uses security-scoped bookmarks for safe file access - Temporary files are automatically cleaned up NO SUBSCRIPTIONS. NO ADS. NO UPSELLS. Free. Simple, honest.

About

PDF Compressor

Features
Read full description

Make any PDF small enough to send. Pick a size (5 MB, 10 MB, anything) and PDF Compressor hits it. No guessing between "low, medium, high" quality settings, and no uploading your documents to someone's server: compression runs entirely on your iPhone and iPad. WHY PDF COMPRESSOR β€’ Exact size targets: tap 1, 2, 5, 10 or 25 MB, or type any number you want with Premium. The result fits the limit every time. β€’ 100% offline and private: your contracts, scans and statements never leave the device. No uploads, no account, no tracking. β€’ Keeps text sharp: smart mode preserves selectable, searchable text whenever possible, and tells you when it did. β€’ Preview before you send: open the compressed PDF right in the app and check the quality, with the exact savings on the row. β€’ Batch mode: compress up to 20 PDFs in one run (Premium). β€’ Works everywhere: pick files from the Files app, or send a PDF straight from Mail with "Open in PDF Compressor". β€’ Savings history: track every megabyte you have freed, day by day. MADE FOR β€’ Emailing scans that are over the attachment limit β€’ Uploading documents to portals with strict size caps β€’ Sending contracts and reports through chat apps β€’ Archiving old scans without filling your storage FREE EVERY DAY One PDF a day, up to 20 MB, at full quality. No watermark, no sign-up, no ads. PDF COMPRESSOR PREMIUM Any file size, unlimited compressions, batch mode up to 20 files, custom size targets and PDF info removal. Premium is available as a weekly or yearly auto-renewable subscription. Subscriptions auto-renew until canceled. Cancel anytime in your Apple ID Subscriptions settings at least 24 hours before the renewal date. Privacy policy: https://app.innovaapps.ai/privacy Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula

Screenshots

Offline PDF Merge4 screens
PDF Compressor4 screens

Verdict

The call

The clearest difference is in-app purchases: Offline PDF Merge at none against PDF Compressor's 2. Offline PDF Merge also leads on update cadence (monthly vs every 2 months). PDF Compressor's advantage is ads (none vs shown) and iOS requirement (17.0 vs 26.0). On price and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. PDF Compressor sells 2 in-app purchases, starting at $4.99 per 7 days. Offline PDF Merge asks for nothing beyond the download.

UpkeepUpdate frequency

Offline PDF Merge ships an update monthly, PDF Compressor every 2 months. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

Scorecard4 real differences Β· 2 level
Offline PDF Merge versus PDF Compressor: the parameters behind the verdict, then further details
ParameterOffline PDF MergePDF Compressor
PriceFreeFree
Update frequencyMonthly β€” betterEvery 2 months
AdsYesNo β€” better
In-app purchasesNo β€” betterYes
DevicesiPhoneiPhone, iPad β€” better
Requires iOS26.017.0 β€” better
Further details β€” not scored
Size11 MB6 MB
Age rating+44+
DeveloperScriptstash LimitedAlex Gameli Heyman

In-app purchases

None

Offline PDF Merge

No in-app purchases

2 purchases

PDF Compressor

Subscriptions2
  • Weekly$4.997 Days
  • Yearly$24.991 Year

Questions

Is Offline PDF Merge free?
Offline PDF Merge is free to download, with no in-app purchases.
Is PDF Compressor free?
PDF Compressor is free to download, with in-app purchases available.
Do Offline PDF Merge or PDF Compressor have ads?
Offline PDF Merge shows ads; PDF Compressor does not.
Which is updated more often, Offline PDF Merge or PDF Compressor?
Offline PDF Merge ships an update monthly, and PDF Compressor every 2 months. Most recently, Offline PDF Merge was updated on October 7, 2026 and PDF Compressor on October 9, 2026.

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