When comparing WhatsApp vs Google Play Books, the Slant community recommends WhatsApp for most people. In the question“What are the best Material Design apps?” WhatsApp is ranked 34th while Google Play Books is ranked 65th. The most important reason people chose WhatsApp is:
The interface is very simple, fast and easy to use. You can start using it as soon as the app has been downloaded - it does not require setting anything up or registering. You can communicate with anyone in your contacts list that also uses WhatsApp. Includes useful features like seeing when a contact is currently available or typing.
Specs
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Pros
Pro Straightforward interface
The interface is very simple, fast and easy to use. You can start using it as soon as the app has been downloaded - it does not require setting anything up or registering. You can communicate with anyone in your contacts list that also uses WhatsApp. Includes useful features like seeing when a contact is currently available or typing.
Pro Widely used
WhatsApp reported 1.5 billion users in 2018. Your friends are most likely already using WhatsApp, so it's easy to get setup.
Pro Effortlessly builds your contacts by using your phone number as identification
WhatsApp will automatically find all of your contacts currently using Whatsapp and add them to your contacts. This makes it really easy to setup and given that it's the most popular messaging app it's likely that a lot of your contacts are already using it.
Pro Message mirroring on web app
WhatsApp can be used from the desktop via Chrome, Firefox and Opera browsers. Accessing it requires using the Android app to scan the QR code that's presented on web.whatsapp.com.
Pro Signal protocol
Whatsapp uses the state-of-the-art Signal protocol that ensure strong end-to-end encryption.
Pro One-on-one texts can be encrypted
WhatsApp has implemented end to end encryption for messages sent on it's service. Even WhatsApp has no way to read a users messages.
Pro Allows bookmarking pages, highlighting text, and adding notes
Google Play Books offers many options while reading such as bookmarks, highlights and notes. Making for a good app to use for academic .pdfs and .epubs.
Pro Supports PDF & EPUB uploads
Users can use the Google Play Books webpage or app to upload their own .epubs or PDFs.
Pro Built-in dictionary
Google Play Books has an inbuilt dictionary for users to use to look up unfamiliar words.
Pro Font, font-size, layout and theme can be customized
Margins, text size, line spacing and color theme of the page can be changed to the users liking,.
Pro Syncs across devices
No matter what device one is using the Google Play Books service on it will sync all eBooks and placement into the cloud.
Pro Immersive mode
Google Play Books has built in immersive mode when reading. This allows for the navigation and notification bars to be hidden, allowing the full screen to be used for the eBook.
Pro Responsive interface
Like the majority of Google's apps, Google Play Books has a slick interface that works quite smoothly.
Pro Has light and dark themes
Google Play Books offers a dark and a light theme to make it easier to read in dark or light rooms.
Pro Books can be bought or rented directly from the app
Google Play Books has an in built eBook store within the app, making for a convenient way to purchase titles.
Pro Has text-to-speech support
Text to speech can be used to have an eBook read to the reader aloud.
Cons
Con Shares meta data with Facebook
WhatsApp shares your messaging meta data with Facebook if you do not opt-out in the settings. If you use the same phone number for WhatsApp and Facebook, the profiles can easily be linked.
See https://www.whatsapp.com/faq/en/general/26000016
Con Tied to carrier phone number
WhatsApp cannot be used by people without a smart phone with an active cell plan. If your phone is lost or damaged, or if your phone number changes, you cannot get messages sent by friends without them updating your phone number. You cannot send message to them until you are able to get SMS messages at your phone number.
Con Proprietary
Not open source.
Con Hard to migrate history cross platform
Migrating your chat history from Android to iOS or the other way around is not so simple. In some cases it requires a 3rd party app and in some the only way is to migrate specific chats one by one.
Con Web interface uses message mirroring
To use your computer to send messages your phone must be on with a consistent data connection.
Con Single device
You cannot use the same WhatsApp account on multiple devices (e.g. a tablet, a PC and a cellphone). The account is tied to the device with the specific cellphone number. Chat history is deleted when you sign in to a new account, unless you have created a backup.
Con No cloud sync
Messages are not stored on WhatsApp server for privacy and security reasons.
Con Limitation on shareable file sizes
WhatsApp now allows users to share files of any type, but there is still a 16 MB size limit.
Con Lacks library management features
No shelves, categories, or reading lists.
Con External SD card
Google play books doesn't have the ability to save the downloaded books to an external SD card.