Margins vs Research Bites
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Margins
Track your reading habits, discover new books through unique vibe-based searches, and block distracting apps to focus on your reading. This app offers a beautifully designed interface to curate your library, connect with friends, and manage book clubs.
- Log books, series, and authors
- Track reading goals and streaks
- Search books by mood and vibe
- Block distracting apps
- Customize book covers and library
- Connect with friends and book clubs
- Import from Goodreads and other platforms
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Margins is a beautifully designed app for people who love books. - App of the Day in 20+ countries - 4.9 rating (40,000+ reviews) - Featured in USA Today, BookRiot, and more TRACK YOUR READING - Log books, series, authors, recommendations, and more - Track Strava-style goals, stats, and streaks - Curate lists of books you care about SEARCH BOOKS BY VIBES - Search books by mood, plot, setting, vibe, and more - Try things like “books like 1920s Paris,” “thriller with a love triangle,” or “indie romantasy” - You can even turn images from Pinterest or your camera roll into book recommendations BLOCK DISTRACTING APPS - Block social media, notifications, and other apps while you read - Use meditation reading timer for soothing rain sounds CHOOSE YOUR COVERS - Pick the cover that matches your version of the book - Curate covers to fit your aesthetic - Sort your library by color CUSTOMIZE YOUR PROFILE - Turn your picture into a sketched portrait you’d see in a book - Show off your favorite books SEE WHAT FRIENDS ARE READING - Find and follow other book lovers - See what they’re reading in Stories - Enjoy gorgeous, hand-illustrated monthly recaps INVITE YOUR BOOK CLUB - Schedule gatherings - Suggest and vote on books - Log your club’s history LEAVE GOODREADS FOR GOOD - Import from Goodreads, StoryGraph, and Fable - Half-star ratings - Support a small, indie team WHAT PEOPLE ARE SAYING “LOVE this app! so easy to import data from goodreads. it excels where others fail. like letterboxd for books. Really glad there’s finally a good book app out there, i’ve been waiting for something like this!” — scruffythejanitor01 “I love the UI of this app, easy to use and aesthetically pleasing. Also, I've been struggling getting back into reading and the screentime feature has helped me loads. I haven't been able to read this much since 4 years ago. Thank you Margins” — mitakaluvr “The search by vibes is so cool. I am a WWII buff, but this search popped up a two-book WWII saga I had never even heard of, much less read. It ended up being my top read of 2025.” —Michigancolt FREE TO USE Almost all features are free to use. An optional subscription unlocks premium features and priority support. FOLLOW US Instagram: @readwithmargins TikTok: @margins TERMS OF USE Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Margins Terms of Service: https://margins.app/terms Privacy Policy: https://margins.app/privacy “Without the margins, writing is just words on a page. But with them, each of us is invited to leave our mark in the endless conversation between books and the people that love them.” — Excerpt from the Margins manifesto
Research Bites
Access and manage academic articles. Stay informed on your areas of interest with this tool designed for researchers and students.
- Discover research papers
- Organize articles
- Read research
- Stay updated on topics
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Discover, organize, and read research papers. Stay updated with your topics.
Screenshots
Verdict
The clearest difference is in-app purchases: Research Bites at none against Margins's 3. Research Bites also leads on iOS requirement (15.1 vs 17.0). Margins's advantage is ratings volume (20K vs 1) and chart position (#50 vs unranked). On price, rating, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Margins sells 3 in-app purchases, starting at $5.99 per month. Research Bites asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for Margins against 5.0 for Research Bites. That said, the two scores are not equally well evidenced: Margins has 20K ratings behind it against 1, so its average is the more settled of the two.
Margins ships an update every 4 days, Research Bites every 2 days. The most recent releases landed on November 10, 2026 and November 4, 2026 respectively.
| Parameter | Margins | Research Bites |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (20K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 95.2% of reviews | — |
| Number of ratings | 20K — better | 1 |
| Update frequency | Every 4 days | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Best chart rank | #50 — better | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 135 MB | 39 MB |
| Age rating | 12+ | 4+ |
| Developer | Paratext Inc. | Mach Fitness Lab |
Customer experience
Margins
Research Bites
Bugs and requests
Margins
Reported bugs
3 issues- Reading time not saving correctly
- Inability to delete or edit books from lists
- Inconsistent behavior when importing data from Goodreads
Requested features
4 requests- Add ability to track page progress and percentage read
- Implement a profile system with custom avatars and bios
- Introduce a social feed to share reading activity with friends
- Add more advanced statistics and reading analytics
Research Bites
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Margins
- Monthly$5.991 Month
- Monthly$9.991 Month
- Annual$59.991 Year
Research Bites
No in-app purchases









