BookDay vs Nerdie
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
BookDay
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BookDay was created with the aim of encouraging young adults to build reading habits. It helps readers who want to insert more literature into their daily lives, but suffer from a lack of organization. Thinking about helping them, the application offers several features, such as: - Bookshelves dedicated to books you want to read or have already been read; - Vast number of literary works; - Scheduled reminders; - Custom annotations; - Monitoring the reading process. BookDay is a free application, developed by Isabella Gomes, Sofia Gelli and Vivian Bacelar.
Nerdie
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Nerdie is the social platform for book lovers, the place to track everything you read AND share it with people who love books as much as you do. FREE. Want to see what other readers really think about your favorite book? Curious whether a friend loved the ending as much as you did? Or maybe you just want a beautiful home for everything you've read, a rating for every book, and a want-to-read list so you're never stuck for your next great read. Nerdie does all of it, in one app. TRACK QUIETLY, OR SHARE OUT LOUD Some readers want a private diary of their reading life. Others want a community. Nerdie is built for both. Keep a review to yourself with "Only me," or post it and start a conversation. It's your call, book by book. RATE, REVIEW & REMEMBER โข Rate every book on a five-star scale and write a review while it's fresh. โข Log the same book more than once โ made for the ones you reread every year. โข Look back on your full reading history, your ratings, and everything you thought. โข Mark a spoiler, or keep a review private โ you're always in control. SOCIAL, THE BOOKISH WAY โข Follow your friends and favorite readers and see what they're into right now. โข Read their reviews of the books you love, like them, and comment to talk it out. โข Discover your next read through people you actually trust, not an algorithm. โข Every rating, review and comment is anchored to a book. No noise, just books. YOUR SHELF, YOUR WAY โข Track your whole library, log every book you own and give it a rating. โข Build custom lists for anything: want-to-read, all-time favorites, summer stack. โข Customise your profile with your favorite bedside books and recent activity. โข Set a yearly reading goal and watch your progress add up. THOUSANDS OF BOOKS & AUTHORS Search a huge catalog of books and authors. With covers, ratings, and reviews from the Nerdie community. Nerdie is built for book lovers who want to track their library and socialise around the thing they love most: reading. Give your reading life a home. Try Nerdie today, free. Privacy: https://nerdie.hooksonstudio.com/privacy Terms: https://nerdie.hooksonstudio.com/terms Support: https://nerdie.hooksonstudio.com/ EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: BookDay at none against Nerdie's 1. On price, update cadence, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Nerdie sells 1 in-app purchase, starting at $12.99 per year. BookDay asks for nothing beyond the download.
BookDay ships an update weekly, Nerdie every 10 days. The most recent releases landed on September 28, 2026 and September 30, 2026 respectively.
| Parameter | BookDay | Nerdie |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly โ better | Every 10 days |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone | iPhone, iPod โ better |
| Requires iOS | 16.0 | 15.1 โ better |
| Further details โ not scored | ||
| Size | 4 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | FUNDACAO PADRE LEONEL FRANCA | HALIL AHMET CENGELOGLU |
In-app purchases
BookDay
No in-app purchases
Nerdie
- Nerdie Premium Yearly3 Days trial$12.991 Year









