Comparison

Smash PDF vs PDFAmora

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

Head to head
About

Smash PDF

Features
Read full description

Meet Smash PDF, the tiny gym for bulky PDFs. Your one tap compressor. Pick a heavy PDF document, tap Smash, and instantly reduce its size while keeping the text and layout intact. No accounts. No ads. No cloud compression. Everything stays private and local. Whether you need to email a large file, free up space, or just tidy up your library, Smash PDF makes it super simple. ### Bring PDFs from anywhere ### • Files app: browse and pick in a tap • Share Sheet: from Mail, WhatsApp, Safari, and more • Wi-Fi Drive: turn your device into a wireless drive and transfer PDFs over Wi-Fi • Browser Sharing: move PDFs wirelessly using your web browser • iCloud Drive: sync your PDF library across all your Apple devices ### Why you’ll love it ### • Private by design: 100% on-device compression. Your PDFs never touch a server • Same content, smaller size: layout and text stay intact • Ridiculously simple: pick a preset, tap Smash, done • Works offline: no internet required • No ads. No tracking. No account needed • Built-in file manager: organize with folders, rename, move, search, and share Go Pro with a one time purchase. Unlock unlimited compression. No subscriptions. No renewals. Buy once, enjoy forever.

About

PDFAmora

Features
Read full description

PDFAmora — Your Offline PDF Companion PDFAmora is a powerful, privacy-focused PDF toolkit that works entirely offline. All your documents are processed locally on your device — no files are ever uploaded to any server. 8 POWERFUL PDF TOOLS: • MERGE PDF — Combine multiple PDF files into one document. Drag & drop to reorder pages before merging. • SPLIT PDF — Extract specific page ranges or split into individual pages. Visual page selector with range slider. • COMPRESS PDF — Reduce file size with 3 quality levels (Low, Medium, High) while maintaining readability. • CONVERT — PDF to Images (PNG/JPG) and Images to PDF. Convert photos and scans into professional PDF documents. • ROTATE PDF — Rotate pages by 90°, 180°, or 270°. Select individual pages or rotate all at once. • WATERMARK — Add text watermarks to your PDFs. Choose from 6 positions including diagonal. Customize size and opacity. • PROTECT PDF — Encrypt your PDF files with password protection (RC4 encryption). Set permissions for printing, copying, and editing. PRIVACY FIRST: • 100% offline — no internet required • No data collection, no analytics, no tracking • Files never leave your device • No account or login needed BEAUTIFUL & INTUITIVE: • Clean, modern Material Design 3 interface • Light and Dark theme support • 11 languages: English, Vietnamese, Chinese, Hindi, Spanish, French, Arabic, Bengali, Portuguese, Russian, Japanese • Smooth animations and responsive layout ORGANIZED WORKFLOW: • Recent Files — Quick access to your latest processed documents • History — Track all your PDF operations • Share — Send processed files via any app PDFAmora is developed by NDT Studio with a focus on quality, privacy, and user experience. No ads. No subscriptions. Just a clean, powerful PDF toolkit.

Screenshots

Smash PDF4 screens
PDFAmora4 screens

Verdict

The call

The clearest difference is ads: Smash PDF at none against PDFAmora's shown. On price, update cadence, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Smash PDF sells 1 one-off in-app purchase and PDFAmora sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Smash PDF ships an update every 6 days, PDFAmora weekly. Both last shipped on October 28, 2026.

Scorecard1 real difference · 5 level
Smash PDF versus PDFAmora: the parameters behind the verdict, then further details
ParameterSmash PDFPDFAmora
PriceFreeFree
Update frequencyEvery 6 days — betterWeekly
AdsNo — betterYes
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size38 MB35 MB
Age rating4+4+
Developerchaman chlachNhu Dinh Tao

In-app purchases

1 purchases

Smash PDF

One-time1
  • Smash PDF Pro Lifetime$2.99
1 purchases

PDFAmora

One-time1
  • Remove Ads$1.99

Questions

Is Smash PDF free?
Smash PDF is free to download, with in-app purchases available.
Is PDFAmora free?
PDFAmora is free to download, with in-app purchases available.
Do Smash PDF or PDFAmora have ads?
PDFAmora shows ads; Smash PDF does not.
Which is updated more often, Smash PDF or PDFAmora?
Smash PDF ships an update every 6 days, and PDFAmora weekly. Most recently, Smash PDF was updated on October 28, 2026 and PDFAmora on October 28, 2026.

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