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PeekPlain vs PDF Expert

PDF Expert, from Readdle, is a polished, paid PDF editor for Mac and iPhone/iPad. PeekPlain is a lighter, offline viewer that runs the common PDF jobs without a subscription.

PDF ExpertPeekPlain
Price modelPaid; offered as a subscriptionFree; Pro is $24 once, no subscription
View and annotate PDFsYesYes, free
Fill forms and signYesYes, free
Edit existing PDF textYesYes, Pro
OCR to a searchable PDFYesYes, Pro; runs offline
RedactionYesYes, Pro; verifies the text is removed
Merge, split, compressYesMerge and compress presets free; split Pro
iPhone and iPad appsYesNo, Mac only
Sync across devicesYesNo account, no sync
Opens Markdown, code, CSV, images in the same appPDFs onlyYes
Works without an accountCheck their current termsYes, no account for Free

Competitor details reflect our understanding at the time of writing and products change, so check their own pages before you decide. PeekPlain is in free beta; features marked Pro are rolling out through 1.0.

Where PeekPlain is weaker

  • PDF Expert has iPhone and iPad apps and device sync. PeekPlain is Mac only.
  • PDF Expert has been polished over many years. PeekPlain is new and in beta.
  • PDF Expert has a larger set of finished editing and conversion features today.
  • No Office export (Word, Excel) in PeekPlain yet.

Where PeekPlain is better

  • Free covers viewing, annotating, signing, merging and basic compressing, with no account.
  • Pro is a one-time purchase with a year of updates, and the app keeps working afterwards.
  • Your files never leave your Mac, and there is no account to log into.
  • It also opens Markdown, code, data files and images, so one app replaces several viewers.

Which should you pick?

If you work across Mac and iPad and want the most mature editor, PDF Expert is a strong choice. If you are on a Mac, want to avoid a subscription and an account, and need the everyday PDF jobs plus OCR and redaction offline, try PeekPlain.