When comparing Google Hangouts vs Instapaper, the Slant community recommends Instapaper for most people. In the question“What are the most useful Android phone apps?” Instapaper is ranked 17th while Google Hangouts is ranked 31st. The most important reason people chose Instapaper is:
Allows leaving notes attached to articles and highlighting certain part of the text. Free version of the app is limited to 5 highlights a month.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Mobile support
Hangouts offers both an Android and iOS app so users can participate from nearly any mobile device in addition to his Desktop.
Pro Screen sharing
Any user can share his screen (or only a specific desktop or window) while still continuing an audio conversation.
Pro Free group video support
Hangouts works with up to 10 participants using video out of the box or up to 15 if you are a business, government or school. It determines who is the primary speaker at any given time, and the camera view automatically switches to that user.
Pro Useful for businesses
Hangouts can scale to become a videoconferencing solution for an entire company, since the software can run on nearly all platforms. In fact, Google itself uses Hangouts as its meeting room video conference software.
Pro Easy to start using
Hangouts is integrated with Gmail & Google+, does not require you to download desktop software, and all chats can take place directly in your browser, significantly reducing the barrier to entry for a new user.
Pro Completely free
Google offers all features of Hangouts completely free. There are business, education and government solutions that increase the participant count to for video calls to 15 and offers support.
Pro Cross platform
Hangouts work on Android, iOS, Chrome OS, web and as a Chrome extension.
Pro Live broadcasting and instant recording
With Google+ “Hangouts on Air”, you can broadcast any hangout to an unlimited audience via your Goolge+ Profile or simply a generic YouTube link. Moreover, any Hangout on Air (public or private) is automatically saved as YouTube video that you can keep for private reference or use in any way that you would normally share a YouTube video. This allows you to record conversations without additional obtrusive software.
Pro Google Voice integration
Allows for a fixed phone number, receiving and making calls. Calling US or Canada is free.
Pro Integrates with Google Maps for sharing locations
When chatting with people while trying to plan a meet up, the share map button can be extremely useful.
Pro Android app does both sms and hangouts messaging
Pro Annotation tools
Allows leaving notes attached to articles and highlighting certain part of the text. Free version of the app is limited to 5 highlights a month.
Pro Excellent typography choices
Instapaper allows you to choose from 14 different fonts, some of which have been designed specifically for the application. You can manually adjust spacing between lines, padding around text and font size to fit your preferences.
Pro Allows listening to articles
Instapaper comes with a build in text-to-speech feature that will read out loud articles. Premium version of the app allows creating playlists.
Pro Articles can be emailed to Instapaper
You can add articles to Instapaper by sending them to a unique email address associated with your account.
Pro Pagination
Allows for pagination, not just scrolling.
Pro Awesome offline mode
Pro Can look up words in a dictionary and Wikipedia
Pro Can be set to switch to dark mode based on time of day
Instapaper includes a dark theme and allows switching to it after a set period in time or gradually over the course of the day.
Pro Rarely seen organization options
In addition to allowing you to sort articles by when you saved them, you can also order articles by length or read progress and popularity.
Pro Free archiving of deleted webpages
In Pocket, this is a paid function - but Instapaper provides this for free! If a webpage is deleted, it remains in your Instapaper and they even archive pictures of the articles.
Pro Can playback inline video
Instapaper will play videos from YouTube, Vimeo and other sources that are embedded in articles, but you have to be online for playback to work.
Pro Has a font designed for readers with Dyslexia
Instapaper includes Dyslexie a font that helps people with reading problems understand the text better.
Pro Includes optional social features
If you set your Instapaper profile to be public, your friends will be able to see articles you've liked.
Cons
Con Poor video call quality
Only goes up to 720p30 + low bitrate.
Con Owned by Google
Con Lacking clients for older versions
Con High hardware usage
Con Not recommended for long sessions

Con Won't work on Windows 8-style UI
As Hangouts uses a browser plugin on the desktop and it doesn't work with Windows 8-style UI, it has to be used in desktop mode.
Con Became a paid service again
Most functions, like search, became premium.
Con Basic search not free
Basic search for link title or website too is part of the premium.
Con Embedded images and videos are sometimes ignored
Instapaper sometimes saves articles without images or videos.
Con Only supports English
It only supports English, and not Chinese, Japanese, and Korean languages.
Con Tags not implemented
Con Search functions return random articles
The search function is very slow and does not provide accurate results. The user can not filter or reorder the search results, or search the archive or annotated articles.
