Margin

Margin is a reading streak service for people who want to keep track of books they read and share reading activity with others. Its core idea is simple: one tap a day to mark reading, plus a shareable finish card when a book is completed. The page also describes it as a place for a public reading shelf and an ambient feed of what friends are reading.

Several features are named explicitly. Margin supports a daily streak with the prompt I read today, and it also includes a weekly-goal mode for people who do not want a fragile daily streak. When a book is closed, it auto-generates a finish card with the cover, rating, streak day, and the user’s handle, and those cards can be sent to Stories. The ambient feed shows who is reading right now, while leaving out follower counts and algorithmic ranking. Public profiles, called shelves, can be customized with six palettes, thirty fonts, wallpapers, card styles, and reorderable sections, and each shelf has a URL that can be used as a bio link.

Margin also supports migration from Goodreads through CSV import. The import is described as bringing over a user’s entire library, including shelves, ratings, reviews, and dates, and CSV export is available in Free as well. The page says the service has a free plan, with the line Free forever, and also references Pro unlocks, but it does not spell out what Pro includes. It presents itself as privacy-minded with the phrase for readers, by readers, and says that the user’s archive stays theirs.

The product is delivered as a web service at readmargin.club. The wording on the site frames it as a reading-focused tool rather than a general social network, with features centered on streaks, book-finish cards, public shelves, and a quiet feed of what friends are reading.