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Understand every class

Download for Mac — freeInstall guide
iPhone · Coming soon to the App StoreiPad · Coming soon to the App Store

On Mac, iPad and iPhone

OldCat for iPadiPadHear it. Write it down. OldCat for MacMacEvery sentence, understood. OldCat for iPhoneiPhoneAn interpreter in your pocket.

Tap a picture, then swipe through the tour

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Where our students are

International students around the world use OldCat to follow every class.

FAQ

Which lecture languages does it understand?

English, Korean, Japanese, Chinese, French, German, Spanish and more. It keeps up even when your professor switches languages mid-sentence (say, English mixed with Korean).

Where are my recordings and notes kept?

On your own device (Documents › OldCat). Only the text and audio that the AI needs to work on are sent, over an encrypted connection, and they are never used to train models.

Is it free?

There's a free plan: 20 minutes of cloud recognition a day, up to 5 hours a month, back on the 1st. After that, OldCat switches to on-device recognition with no time limit. For more, subscribe to Pro or Ultra, or grab a Snack Pack. New friends who link an Apple account get 3 days of Ultra — no card needed. See the . The Mac beta is free for now.

Is there an iPhone and iPad app?

Yes — coming soon to the App Store. They share one account with the Mac app, so your cat, your classes and your Vocab are on all three.