United States / US English


Pubmark Inc.,

Store Category Version Last Update Avg. ratings
Apple Books 1.3.4 December 09, 2017 0.0

ASO Score & Checklist

App Name
Your app name is too short. 7 characters

Titles weight a lot in the App Store algorithm. Try to add your strongest keywords in your title. This will increase your app discoverability. Use our Keywords Tool to find the best keywords for your app.

App Description
Your app description seems to be too short. 855 characters

It's only 855 characters. We strongly recommend writing at least 1.000 characters. Use content that makes your app unique (features description, characteristics, how to use your app, ...). Your description needs to convince people to download your app. Also, be sure to add important and relevant keywords in your description to improve your iTunes app page and optimize your SEO.

You could add some screenshots.

It is recommended to use all 5 available slots and to use optimized screen dimensions for each device. Make sure to include some text to describe your app on each screenshot. Don’t forget showcase your best features on the first two screenshots as they will be displayed in the Search Results on the App Store.

Your last version was released more than 3 months ago. Update your app with new features and/or some bug fixing.

Version 1.3.4 released on December 09, 2017
- Squashed some bugs on iPhone X.

Version 1.3.3 released on September 16, 2017
- Added support for iOS 11. Have questions or feedback, or need help? Reach out to us by visiting

Version 1.3.2 released on October 08, 2016
- Improved BookBub's widget on iOS 10. (To add BookBub's widget, swipe to the left on the Home or Lock screen, tap Edit, and select BookBub from the list.) - Squashed some bugs, and made a number of under-the-hood enhancements that will help us continue to improve the app. Have questions or feedback, or need help? Reach out to us by visiting

Version 1.3.1 released on September 22, 2016
- Fixed an issue in Version 1.3 that prevented people from enabling push notifications. If you're not receiving push notifications after downloading this update, please try turning them on again in Settings and reach out to us if you're still having trouble. - Squashed some bugs, and made a number of under-the-hood enhancements that will help us continue to improve the app. Have questions or feedback, or need help? Reach out to us by visiting

Unlock all AppTweak features, start your 7-day free trial

Start your free trial

App Description

As seen in The New York Times, The Wall Street Journal, Forbes, Lifehacker, and more! BookBub helps you discover great deals on bestselling ebooks. Millions of happy readers use BookBub to find the best free and deeply discounted books matching their interests. It's free to join, and each day we'll show you new limited-time deals in your favorite genres. How it works: - Tell us what you like to read - Our expert editorial team selects the best ebook deals for you - Buy from iBooks instantly and read on your iPhone or iPad "When we say 'deal,' we mean it — many of BookBub's titles are free entirely, $0.99, or just a couple of bucks." — Lifehacker "For the consumer, it’s new, it’s interesting. It’s a deal and there isn’t much risk." — The New York Times Have questions or feedback? Reach out to us by visiting

App Screenshots

BookBub Screenshot BookBub Screenshot BookBub Screenshot BookBub Screenshot

BookBub Ranking History | Books

BookBub daily app ranking in Books category for the last 30 days.

BookBub Worldwide Rankings | Books

BookBub rankings per country in Books category.

Unlock all features after signing up

Get more ASO recommendations, app rankings, store data, keywords insights and more.

Start your free trial

App Keyword Tool

Use AppTweak Keyword tool to audit, optimize and monitor your keywords effectively.

Mobile App Analytics

All insights and data to measure your app’s performance over time and across countries.

Get the latest tips and tricks to improve your ASO Learn all ASO best practices to boost your app on top of the charts and beat your competitors.

  • 6 Tips to Leverage Social Media Strategies for Your Apps

    In this article, Jayneel Patel from OpenXcell (mobile applications development company) outlines the importance of social media in any app marketing strategy. If you need any tips and advices to leverage your social media marketing strategies, this post is for you. Well, right now I am staring morosely at my computer screen seriously thinking of a smart way to describe the connection between app marketing and social media. Without a doubt, the social media space is …

  • How To Optimize Your App Description To Improve Discoverability

    This week, we had the privilege to collaborate with Tapdaq, the famous mobile advertising platform. We proudly contributed to their blog with a new guest post on App Store Optimization. Are you struggling with your copywriting? Follow our 4 tips to come up with a great app description and increase your organic downloads. Read the rest of this article on Tapdaq blog. App Store Optimisation (ASO), or “Mobile SEO”, is getting increasingly popular as the number of available …