CuriosityStream a streaming service that streams unlimited documentaries and non-fiction videos. You get the content from different categories like nature, technology, science, biographies, and history. In CuriosityStream, you can watch all your favorite documentaries and series in full HD format at any time and anywhere. CuriosityStream is available for Firestick officially in the Amazon App Store.
With the CuriosityStream app, you can easily browse your favorite title by using the quick search tool. The app will recommend the titles based on the video that you have liked. You can expect the new content every week in the CuriosityStream app. The CuriosityStream is a subscription-based service that costs $2.99 per month.
Steps to Install CuriosityStream on Firestick
 Switch on your Firestick device, and you will get to see the home screen.
 Click the Search icon and type CuriosityStream to search for the app.
 The screen will list the related app, choose the CuriosityStream from it.
 Click Get to download the CuriosityStream app.
 Then, click Open to launch it.
 Click Sign in or Start your free trial.
 Enter the credentials and stream your favorite CuriosityStream content on your Firestick.
Alternate Way to Get CuriosityStream on Firestick
In this method, you will be using the third-party app Downloader to install the CuriosityStream on the Firestick. To do so, click Settings > My Fire TV or Device > Developer option > Apps from unknown source > Turn on.
 Install the Downloader for Firestick.
 Open the Downloader app, enter the CuriosityStream URL link (https://bit.ly/3wMuJUZ), and click Go.
 Then, click the Install option followed by the Open button.
 Sign in to your account to watch the CuriosityStream app on your TV.
1. Is Curiosity Stream on Firestick?
CuriosityStream app is available on the Amazon App Store and can be installed on Firestick.
2. Can CuriosityStream videos be downloaded?
CuriosityStream allows users to download the video and watch it offline.