You love your streaming services, but you don’t love how much they’ve been hurting your monthly income recently. Streaming has gotten more and more expensive, making it harder to pick and choose which services are worth your money. With Curiosity Stream, however, you’ll pay once for a lifetime subscription and have complete access to a never-ending library of awesome documentaries and docuseries.

Launched by Discovery Communications founder John Hendricks, Curiosity Stream gives you access to thousands of films, series, and shows covering every subject you might be interested in. From history and science to nature, astronomy, and much more, Curiosity Stream offers a wide selection of content that will appeal to anyone. Plus, their algorithms get to know you and your preferences, giving you better recommendations over time.

Find out why Curiosity Stream has earned 4.3/5 stars on the Google Play Store and 4.7/5 stars on the App Store. Now through 11:59 pm PT on January 21, you can get a lifetime subscription to a Curiosity Stream Standard Plan for 57% off $399 at just $169.97.

Curiosity Stream Standard Plan: Lifetime Subscription – $169.97

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StackSocial prices subject to change.