Tap to translate
Touch a word or select a phrase in the subtitles to see the translation right above it. Choose Google or Yandex and open a detailed page when you need more context.
Watch Coursera lectures with instant subtitle translation
A specialized browser for your Coursera courses. Tap any word in the subtitles to translate it, save lectures for offline viewing and pick up exactly where you stopped.
In this video we'll define something called the cost function.
The idea
Your Coursera courses, with a translator built into the player
Sign in with your own Coursera account and watch your courses as usual. When a word in the subtitles is unfamiliar, tap it.
Coursera lectures
Google or Yandex Translate
Transsera
Transsera
Features
Built for learning in a language that isn't your first
Offline lectures
Download whole weeks or single videos and watch them on a plane or a train. Downloads keep their subtitles and stay available even without a connection.
Continue where you left off
The app reopens your last week and remembers the exact second of every video. Watched lectures are marked as completed on Coursera too.
Speed and shortcuts
Play from 0.2× to 5×. With a keyboard, control playback using Space, the arrow keys and a few more shortcuts.
Coursera Dialogue
Interactive dialogue assignments open right inside the app with your current session, so you don't have to switch to a browser.
Comfortable to watch
Light and dark appearance, adjustable subtitle size, Picture in Picture and an interface in English and Russian.
Privacy
Your account stays between you and Coursera
- You sign in on coursera.orgThe sign-in page is Coursera's own. The session is kept on your device and is never sent to us.
- No Transsera accountThere is nothing to register and no profile on our side.
- Only the text you translateWhen you tap a word, just that text and the language pair go to the translation service.
- No ads, and analytics you controlUsage statistics and crash reports can be turned off in the app's Options at any time.
Pricing
Free to watch. Pay once for what you need.
Browsing your courses and watching lectures with subtitles is free. Two optional one-time purchases unlock the extras. There are no subscriptions.
Subtitles Translation
Translate words and phrases on the fly without leaving the lecture.
One-time purchaseOffline Mode
Download lectures and watch them anywhere, without an internet connection.
One-time purchasePrices are shown in the app in your local currency. Purchases are tied to your Apple ID and can be restored on any of your devices.
FAQ
Questions
Is Transsera an official Coursera app?
No. Transsera is an independent, specialized browser made by a solo developer for accessing your Coursera courses. It is not affiliated with or endorsed by Coursera Inc. You use your own Coursera account, and your enrollments, deadlines and certificates stay on Coursera.
Do I need a Coursera account?
Yes. Sign in on Coursera's own sign-in page inside the app. You'll see the courses you're enrolled in, just like on the website.
Which languages can I translate into?
Any language supported by the translator you choose in Options: Google or Yandex. The list is loaded from the service, so new languages show up automatically.
Does it work without the internet?
With Offline Mode you can download lectures and watch them without a connection. Signing in, loading courses and translating words need the internet.
Which devices are supported?
iPhone and iPad with iOS 15 or later. On iPad with an external keyboard you also get playback shortcuts.
I can't sign in. What should I do?
Tap Trouble signing in? on the sign-in screen for compatibility modes and other ways to sign in. The Support page explains each option.
Understand every lecture
Free on the App Store for iPhone and iPad.