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Tertius: Read. Capture. Grow.
iPhone
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Tertius captures, collects and organizes your favorite literary moments. Using speech-to-text and optical character recognition, Tertius transcribes a quote from the printed page of a book into fully-searchable digital type.

Experience the wonder of capturing profound insights and brilliant prose the moment the book you're reading whispers, "remember this."

Try Tertius free for 30 days, no credit card required. Subscribe for $5/month to store unlimited content.

CAPTURE: With 85-90% accuracy, advanced speech-to-text voice transcription and/or optical character recognition will analyze and extract page text in real-time.

ORGANIZE: Each post entry neatly displays book title, author, page number and comments to help you easily distinguish your ideas from those of your source.

FILTER: Add tags to create relationships between posts and group related content. Filter posts by book title, author, topic or date.

WRITE: Good writers love to read. Capture the moment the book you're reading whispers, "remember this," and effortlessly switch to your computer when it's time to write.

SYNC: Tertius automatically syncs across all of your devices so you can be productive on the go, or at your desk.

MEMBERSHIP: Your Tertius membership will be charged to your credit card through your iTunes Account upon confirmation. Your subscription will automatically renew for $5/month or $50/year, depending on the billing cycle you choose unless auto-renew is turned off at least 24-hours prior to the end of the current period.

Manage your subscription and turn off auto-renew at any time through your Account Settings after purchase. Any unused portion of your free trial will be forfeited if you purchase a subscription.

Please visit our Privacy Policy and Terms of Service for more information:

Privacy Policy: https://tertius.app/privacy
Terms of Service: https://tertius.app/terms

Questions? Feedback? To get help, visit https://help.tertius.app
What's new in v1.7
We squashed a bug delaying posts from appearing immediately on the post archive page.
  • App History
  • Update
    May 19 2019
  • Update
    May 18 2019
  • Update
    May 1 2019
  • Update
    April 24 2019
  • Update
    April 19 2019
  • Free
    April 17 2019
  • New App: $4.99
    April 16 2019