Dollim
Dollim is an iOS app for deliberate listening practice — loop sections of YouTube videos or local files, adjust speed, and use captions to catch what you missed.
Contact
For help, bug reports, feature suggestions, or other feedback, please email:
Please include your iPhone model, iOS version, app version, the video link where the issue occurred, and a brief description of what you were trying to do. You can also contact us inside the app via Settings → Send Feedback.
Basic information
- Requires iOS 18 or later.
- All features are free.
- YouTube live streams and some private videos may not play or may not support section looping.
- Captions are shown in the original language provided by the video. Videos without a caption track may show no captions.
- Vocabulary and saved sections are stored on your device only.
Privacy policy
Dollim plays YouTube videos via the official YouTube IFrame Player API. YouTube and its logo are trademarks of Google LLC. Dollim is an independent app and is not affiliated with Google.