Summary Comparison Matrix (2026)

The table below summarizes key differences across privacy, pricing, and document creation features for iPhone users. All pricing and feature claims are verified from official public sources.

App / Service Pricing Works Offline Account Needed Cloud Upload Compression Presets Best For
img2pdf Free ($0, no IAP) Yes (100% on-device) No Never (Data Not Collected) Small, Standard, Best, Custom Private personal paperwork, receipts, offline use
Apple Notes Scanner Free (Built into iOS) Yes Apple ID (for iCloud) iCloud sync optional None (system default) Quick single scans directly into personal notes
Adobe Scan Free tier; ~$9.99/mo premium Limited (needs account) Yes (Adobe, Apple, or Google) Yes (Adobe Document Cloud) Requires Acrobat Pro subscription Teams and users in Adobe Creative Cloud
Genius Scan Free; $9.99+ or $2.99/mo Yes Optional Optional (Genius Cloud / multi-cloud) Built-in resolution presets Multi-cloud archiving (Dropbox, OneDrive, Box)
iLovePDF Freemium; ~$7/mo Limited (remote processing) Optional for basic; required for high volume Yes (remote server processing) Cloud compression engine Multi-format conversions (Office, Word, Excel to PDF)
Smallpdf Freemium (1 task/day); $12/mo Limited (cloud engine) Required for Pro Yes (cloud processing) Cloud compression (Basic & Strong) Browser-based office workers and digital e-signatures
Online PDF Converters Free with ads / subscriptions No (requires internet) Usually no Yes (upload to remote server) Varies by website Desktop computers without scanner software

Our commitment to factual accuracy: All competitor details, feature capabilities, and pricing models are verified against public App Store listings and developer documentation in November 2026. img2pdf never requires an account, collects zero personal data, and processes all files locally on your device.