24symbols is a subscription service to read and discover digital books that works on any device.

24symbols is to books what Spotify is to music or Netflix to movies.

24symbols is a multi-device, multi-publisher service that enables users to read and discover digital books on the cloud (i.e. no book download is required).

  • Desktop Display
    • Brand Integrations
      Yes No
    • Sponsored Posts
      Yes No
    • Native Ads
      Yes No
    • High-Impact (Takeovers, Billboards, Overlays, Sliders, Skins)
      Yes No
    • Rich Media (Expandable & Non-Expandable)
      Yes No
  • Mobile Display
    • Mobile Rich Media (Including Interstitials & Expandables)
      Yes No
    • Tablet Traffic
      Yes No
    • Native & Custom Mobile Executions
      Yes No
    • Requires SDK Integration
      Yes No
  • Email
  • Social
  • Desktop Display, Mobile Display, Email, Social
  • CPM
  • Web Publisher
  • Headline:
    Publisher: Access a world of free books
  • Key Differentiator
    Read whatever you want, wherever you want, and however you want. Read from any device: computer, tablet or smartphone. Read carelessly, everything is on the cloud, that's what paradise is: no file downloads, no format issues or lack of compatibility. Discover books, many books. Access a catalog of more than 15,000 titles. By searching among thousands of novels, poetry and business books, your next read is probably not the one you were expecting. Build your own personal library. Create bookshelves, manage and arrange your books as you wish; it's the library of your dreams. Update your personal profile as a reader, tell everyone what you just finished reading, what you are reading now, and which books go next. Share. Read privately or share your bookshelves, tastes, comments, reads, … or your obsessions. There is a librarian inside you, show it to the world! Follow other readers. Browse the bookshelves of readers that share similar passions than you. Or maybe not, you never know where a great new book, writer or a romance… are waiting for you. And all this, Free or Premium. Choose between reading a subset of this catalog online for free, or become a Premium reader with a small subscription fee, and access the whole catalog, offline, and with no ads.
David Sanchez
Founder / Sales & Content at 24symbols
Justo Hidalgo
Co-founder at 24symbols
Site Traffic
  • 138828 Global Rank
  • 12501
  • 491 K Estimated Visits
Traffic Sources
  • Search
  • Direct
  • Referrals
  • Social
  • Display
  • Mail
Geography Breakdown
Powered by
Alexa Traffic Data
Global Rank 160,665
United States Rank 107,636
United States Page Views 17.2%
Top Countries
Mobile App Data
MixRank is the most comprehensive database of mobile apps, developers, SDKs, technologies, services, and integrations. Learn more.
  • 100 K Downloads
  • 10 SDKs
  • 3.2 Avg. Rating
  • 634 Total reviews
  • App Url: https://play.google.com/store/apps/details?id=com.symbols24.androidapp
  • App Support: http://www.24symbols.com
  • Genre: books_and_reference
  • Bundle ID: com.symbols24.androidapp
  • App Size: 16.8 M
  • Version: 73
  • Release Date: November 24th, 2012
  • Update Date: June 23rd, 2020


Access a world of books! 24symbols is a service to read digital books in English, Spanish,
German and many other languages. Fiction, essays, thrillers, poetry, business books and
many more. Read wherever you are from your smartphone, tablet or computer.
24symbols is a no limit service, read what you want, when you want from where you want. In
exchange for a small monthly fee, you can read all the books from a catalog of over one
million titles on any device (smartphone, tablet, computer or e-reader with a web browser)
and download them into your app for offline reading.
No compatibility or format issues, just find the titles you need in a single click. Create
bookshelves, organize and manage your e-books with absolute freedom, make your dream
library come true. Update your history as a reader, share what you have read, what you are
reading or what you will read building a true social network of readers just like you.
With your subscription you will be able to read the complete 24symbols catalog without any
restriction. The subscription has no commitment to stay, you can cancel anytime. You can
also use 24symbols for free with no subscription, but you will only be able to read books
marked as free in our catalog and the initial pages of the rest, but you will not be able to read
the latter completely. So, what are you waiting for to sign up? Follow other readers and look
out for new discoveries: you never know what your next favorite book will be, what new
authors you can come across... or what’s the next story that will make you catch your breath!
Enjoy a catalog of more than one million titles, and constantly growing! Search and discover
new readings among endless literary genres: classics, new releases, best-sellers, cookbooks,
business management books and many more and read as much as you want. Go ahead, find
that unexpected book you were longing for!

Terms and Conditions
- You will be billed the monthly subscription fee automatically each month until you
cancel the subscription.

- Your subscription will be automatically renewed each month, through your Google Play
account, 24 hours before the end of the current subscription period and billing one month
at a time. You will be charged the monthly fee unless you deactivate the automatic
renewal at least 24 hours before the end of the current subscription period. No monthly
fee refunds will be issued once a new monthly subscription period has started but you will
still be able to use premium features until the end of that monthly period.

- Your subscription does not imply any commitment to stay. You can manage or cancel
your subscription from your Google Play account settings.

Build Realtime Apps. A powerful API to store and sync data in realtime.
Google Sign-In SDK
Google Sign-In is a secure authentication system that reduces the burden of login for your users, by enabling them to sign in with their Google Account—the same account they already use with Gmail, Play, Google+, and other Google services. Google Sign-In is also your gateway to connecting with Google’s users and services in a secure manner. You can give your users the opportunity to pay with Google Pay, share with their Google-wide contacts, save a file to Drive, add an event to Calendar, and more. Integrate Google’s user-centric APIs and services inside your app to help your users take action and convert.
Google Search
The collection of search and search related APIs in Google's Android GMS framework.
DoubleClick is the ad technology foundation to create, transact, and manage digital advertising for the world's buyers, creators and sellers. Available for iOS and Android
AdMob Mediation
Google Authorization
Google Play services offers a standard authorization flow for all Google APIs and all components of Google Play services. In addition, you can leverage the authorization portion of the Google Play services SDK to gain authorization to services that are not yet supported in the Google Play services platform by using the access token to manually make API requests or using a client library provided by the service provider.
Google Mobile Ads
The Google Mobile Ads SDK is the latest generation in Google mobile advertising featuring refined ad formats and streamlined APIs for access to mobile ad networks and advertising solutions. The SDK enables mobile app developers to maximize their monetization on Android, iOS, and Windows Phone 8.
Google Play Game Services
Make your games social with Google Play game services. Add achievements, leaderboards, real-time multiplayer, and other popular features using the Google Play game services SDK. Let players sign in using their Google+ identities and share their gaming experience with friends. Visit developers.google.com/games/services for more information about integrating game services into your app.
Google Play Services
Google Play Services give your apps more features to attract users on a wider range of devices. With Google Play services, your app can take advantage of the latest, Google-powered features such as Maps, Google+, and more, with automatic platform updates distributed as an APK through the Google Play store. This makes it faster for your users to receive updates and easier for you to integrate the newest that Google has to offer.
Android API
All APIs for communicating with the Android system.
Data sourced from MixRank, the most comprehensive database of mobile apps, developers, SDKs, technologies, services, and integrations. Learn More.
Ad Intelligence
  • Native
  • Standard
  • Direct
Ads Seen Recently
Longest Running Ad
Social Data
24symbols advertising reaches 491k visitors across desktop and mobile web, in countries such as Spain, United States, Colombia, Mexico. Pricing models they offer are CPM on channels such as Display, Mobile, Email, Social Advertising on 24symbols will allow you to reach consumers in industries or verticals such as .

They are headquartered at Las Rozas, Spain, and have 3 advertising & marketing contacts listed on Thalamus.

24symbols works with Advertising technology companies such as DoubleClick.Net, Google Publisher Tag, Google Adsense, Facebook Custom Audiences, Google AdSense Integrator.