Harmonic for Hacker News

4.7
1K reviews
Content rating
Teen
50K+
Downloads
Content rating
Teen
Users Interact
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About this app

Harmonic is a fully-featured, open-source, mature Hacker News client with a focus on (material) design, polish, and cuistomization.

Highlights
• Material Expressive design with smooth animations
• Full login functionality (vote, comment, submit, favorite, etc.)
• Strong theming support
• Quality of life features such as reader mode, adblock, link previews

Harmonic has been developed over a long time and its main feature is the relentless polish and feature completeness it has accumulated.

Harmonic for Hacker News is not affiliated with Y Combinator.
Updated on
Jun 7, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info
Data is encrypted in transit
Data can’t be deleted

Ratings and reviews

4.7
963 reviews
Connor Azzarello
March 9, 2021
I really enjoy the app so far, very clean and simple user interface. The dev seems to read comments, so hopefully this gets seen: the ">" character for block quotes in markdown does not seem to be correctly rendered in comments. It is italicized, but not formatted in any other way. Normally markdown renderers I see will parse out the character and put it in a box or similar.
7 people found this review helpful
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Simon Halvdansson
March 9, 2021
The reason for this is that HN delivers comments as HTML instead of markdown and doesn't use the tag for blockquotes. Since comments on the HN website are rendered with a '>' and no additional standard blockquote styling I think the app is going to stick to that same convention.
Rosh
March 23, 2026
Dev can you add flair or mark to indicate flagged post and comments, and swipe gesture for voting and bookmark. Superb app, beautifully designed, appreciate the work.
1 person found this review helpful
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Tom Wojcik
April 7, 2026
Its my fav HN reader but recently random fetches started to fail :/ HN website works fine. Edit: i haven't run into such issues in a while. 5 stars
2 people found this review helpful
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What’s new

- Redesigned search with new search options
- Added comment reply notifications from the profile page
- Improved comment performance, accessibility, and navigation
- Added parent comment button, adaptive comment scrolling, and Algolia poll support
- Added Stack Exchange, GitLab, and improved arXiv/LaTeX link previews
- Added new UI/theme updates, plus many more small tweaks and fixes