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Line Perfect vs Off Book! Pro

A recording-based rehearsal app with strong import and a way for a director to sync the whole cast.

Where Off Book! Pro is stronger

  • Imports Final Draft and Fountain files as well as PDF.
  • An import preview lets you correct the structure before anything is saved.
  • LineSync shares one script with the whole cast.
  • Plays from the lock screen, so you can rehearse hands-free.
  • A low one-time price for the app itself.

Where Line Perfect is stronger

  • Listens and marks every word; Off Book! mutes or cues your line but does not check it.
  • Spaced repetition and a record of the words you miss.
  • Photo and camera scanning of printed pages, and scanned PDFs.
  • Faces for roles, and voices you can assign.

Side by side

Line PerfectOff Book! Pro · The Lyoness Group
How a script is organisedScript → scene → line. Acts are labels on scenes; stage directions are kept apart from lines.Work → scenes → characters → lines.
Getting a script inPaste, .txt / .md files, PDFs (scanned pages are read on the device), photo or camera scan. No Word or Final Draft import.PDF and plain text; Final Draft and Fountain files map more accurately. Imports open in a preview where you rename, merge, split or cut before saving.
The other rolesText-to-speech on the device. One face and one chosen voice per role; natural voices in eight languages. You cannot record real voices.Recordings, with a per-character text-to-speech voice for lines not yet recorded.
Listens to youYes, on the device. Moves on by itself when your line is finished.No.
Feedback on your wordsEvery word marked as matched, read differently or skipped, with what you said instead.None.
Spaced repetitionYes — the SM-2 schedule, built from your results.No.
Self-tape / teleprompterNo.No.
Working with your castNo.LineSync: the director pays, the cast syncs for free.
Account and privacyNo account. Texts and voice stay on the device; no ads, no tracking.Not stated in the material we read.
PlatformsiPhone (iOS 18 or later).iOS.
PriceFree with 12 minutes in any 30. $0.99 / month or $9.99 / year, first 7 days free.$2.99, plus LineSync at $1.99 / month or $4.99 per show.

Which should you choose?

Choose Off Book! Pro if

you have the script as a Final Draft or Fountain file, or a director wants everyone on the same synced copy.

Choose Line Perfect if

you want the app to tell you what you actually said.

Coming soon to the App Store Pricing

About this comparison: the information on Off Book! Pro comes from its public App Store listing and website as they appeared on 11 October 2026. We have not tested Off Book! Pro ourselves, apps change, and listings can be incomplete — check the developer's own page before deciding. Prices are US App Store prices on that date. Off Book! Pro is the property of its owner; we are not affiliated with it. If something here is wrong, write to info@caliptic.com and we will correct it. Off Book! Pro on the App Store

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