Line Perfect
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Line Perfect vs Counterpart

A scene partner for iPhone, Mac and Vision Pro that reads scanned sides and lets a friend record the other part from a browser.

Where Counterpart is stronger

  • A friend can record your scene partner's lines from a browser, with no account.
  • Runs on Mac and Apple Vision Pro as well as iPhone.
  • Generates flashcards for each scene.
  • Also reports that it collects no data.

Where Line Perfect is stronger

  • Checks every word of your line, not just the cue word.
  • A real spaced-repetition schedule built from your mistakes.
  • Takes a whole script at once; Counterpart's listing says it analyses up to 10 pages at a time.
  • $0.99 a month against $6.99.

Side by side

Line PerfectCounterpart · Alexander Finch
How a script is organisedScript → scene → line. Acts are labels on scenes; stage directions are kept apart from lines.Scenes divided into beats.
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 including scanned pages, analysed up to 10 pages at a time; separates your dialogue, other characters' lines and stage directions.
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.Your own voice, AI text-to-speech, or a friend recording in a browser without an account.
Listens to youYes, on the device. Moves on by itself when your line is finished.For the cue word.
Feedback on your wordsEvery word marked as matched, read differently or skipped, with what you said instead.None described.
Spaced repetitionYes — the SM-2 schedule, built from your results.Automatically generated flashcards per scene; no scheduling described.
Self-tape / teleprompterNo.No.
Working with your castNo.A friend can record reader lines through a web link.
Account and privacyNo account. Texts and voice stay on the device; no ads, no tracking.The App Store privacy label says no data is collected.
PlatformsiPhone (iOS 18 or later).iPhone, Mac and Apple Vision Pro.
PriceFree with 12 minutes in any 30. $0.99 / month or $9.99 / year, first 7 days free.$6.99 / month or $58.99 / year.

Which should you choose?

Choose Counterpart if

you work on a Mac, or a friend is willing to record the other part.

Choose Line Perfect if

you want word-level accuracy and scheduled review at a much lower price.

Coming soon to the App Store Pricing

About this comparison: the information on Counterpart comes from its public App Store listing and website as they appeared on 11 October 2026. We have not tested Counterpart 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. Counterpart 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. Counterpart on the App Store

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