When comparing Downcast 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 Downcast is ranked 21st. 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
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Pros
Pro Auto-downloads podcasts
Downcast can be set to automatically download new episodes of podcasts in the background.
Pro Adjustable playback speed
You can change the playback speed to fit your needs up to 3x the speed.
Pro Sync between iOS devices
Downcast can synchronize podcasts and settings across iOS devices through iCloud.
Pro Accesses iTunes podcast library
Pro Supports password-protected feeds
Pro Gesture shortcuts
Downcast supports multi-touch gestures for navigating around.
Pro Sleep timer
You can set Downcast to shut off podcasts after a set amount of time.
Pro Adjustable skip interval
Pro Set the end time to be x seconds / minutes from the end time.
The ability to set the end time to be x seconds / minutes from the end is so excellent.
Pro Set the start time to be x seconds / minutes from the start time.
The ability to set the start time to be x seconds / minutes from the start time is amazing.
Pro Straightforward discovery system with feed support
This app helps users subscribe to podcasts through browsing top lists and categories as well as entering a feed or OPML address.
Pro Simple to use UI
Downcast has a straightforward, intuitive user interface.
Pro Mac App available
Pro Can stream episodes without downloading
Pro Can prioritize playlists
You can have Downcast prioritize your playlists automatically, allowing you to listen to podcasts in the order your prefer without you having to manually reorganize them.
Pro Set how long you wish to keep your podcasts locally
Downcast can be set to automatically remove podcasts that have been on your device for a certain amount of time or take up a certain amount of space on your device. This can be done to groups of podcasts or on a per podcast basis.
Pro AirPlay support
Pro Prioritizes show notes
Selecting a podcast for playback will bring up shownotes, instead of the more common choice of album art.
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 Extremely buggy
Around mid-2015 Downcast implemented some code that started to leave infinite loop processes that have the potential to cause the phone to heat up, lag, crash Downcast, or crash other apps. The bugs have only continued to get worse. Go with Overcast or Pocket Casts, or even Podcatcher for the Downcast feel.
Con Doesn't sync with iTunes
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.