When comparing Reddit is fun vs Sync for reddit, the Slant community recommends Sync for reddit for most people. In the question“What is the best Reddit app for Android?” Sync for reddit is ranked 3rd while Reddit is fun is ranked 6th. The most important reason people chose Sync for reddit is:
Reddit Sync has a beautiful card-based UI. The user can configure the feed with three types of text density as well, if he/she prefers faster skimming through items.
Specs
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Pros
Pro Accurately recreates the reddit experience
Reddit is fun's UI feels familiar for Reddit users.
Pro Night mode
Allows for easier reading in the dark as there is less light to annoy the eyes.
Pro Tablet support
A recent update has added tablet support to Reddit is fun.
Pro Clean UI
Extremely "clean" UI: compact and nothing superfluous. Features are discoverable.
Pro Amoled mode
The Amoled mode turns the background to complete black, which emits no light on Amoled panels. This not only looks cleaner, but also saves battery. Phones without Amoled panels can still select this mode - it is a bit darker than the material dark mode.
Pro Multireddit support
Allows you to use multireddits you create on the website.
Pro Support for Reddit Gold
Reddit is fun allows you to use special features earned by having reddit gold such as syncing visited links between reddit is fun and the browser site.
Pro Ads are optional in the free version
The free version allows the option to disable ads, so you only need to turn them on if you wish to support the developer or use moderator features.
Pro Embedded moderator functions
Has functionality for removing/approving posts/comments, removing as spam, reading/replying to mod-mail, distinguishing comments.
Pro Sync between desktop support
The app combined with 3rd party sync applications helps show links you've already viewed. Sometimes it misses a few, but it's close most of the time.
Pro Cards theme
Usable WIP of a cards them available.
Pro Samsung multi-tasking compatible
Reddit is Fun has the ability to be used in milti-window mode on high end Samsung phones. It can also be used in pop-up view (drag the corner of the screen towards the middle to shrink the app to about 1/2 size, or keep it as a bubble similar to FaceBook's chat heads feature).
Pro Beautiful material design card UI
Reddit Sync has a beautiful card-based UI. The user can configure the feed with three types of text density as well, if he/she prefers faster skimming through items.
Pro Well-implemented (swipe) navigation
Reddit Sync has well-implemented navigation UX. It's easy to swipe back into the main feed from comment sections and to access subreddits by swiping from the main feed.
Pro Easy to jump to parent comments
Intuitive navigation allows for easy jumping to parent comments with a feature where arrows at the bottom of the page will navigate up or down to the next one. This makes for an easy way to quickly see the most voted comments.
Pro Gfycat support
Gfycat videos are embedded inline, which mean the user does not need to open a separate webpage in order to view them, making the use of the app much more convenient.
Pro Multi-reddit support
Multi-reddit allows the user to create and organize groups of subreddits: basically custom feeds of a user's favorite subs.
Pro Great design
Reddit Sync is chosen by a lot of users because of its attractive design. Being one of the first Reddit apps to utilize the cards design, as well as follow Google's material Design guidelines, have together allowed the app to jump ahead of its competition due to its overall good looks.
Pro Shows inline content on the feeds
The card UI makes skimming content on the main feeds on one's phone a pleasure. This is due to the fact that the user gets a quick preview of the content inline.
Pro Multi-user support
Reddit allows for easy switching between multiple accounts. This is great for Redditors who use multiple accounts as well as users who are sharing a device (such as a tablet) with other family members.
Pro Offers varied themes
In the options, there are different theme colors available, as well as night themes. The color themes are aimed moreso towards personalization where as the night themes are for reading in dark rooms (as they are easier on the users' eyes).
Pro WYSIWYG editor for messages and submissions
With the WYSIWYG editor, users can add bold text, bullet points, and links.
Pro Free version available
Sync for Reddit offers a version of the app that is free with ads. Therefore, for those who are willing to put up with ads or who just want to test the app for a short while, the free version is available. Thanks to know it’s free
Pro Energy efficient on AMOLED screens
Helps save battery life on AMOLED by allowing users to set black background.
Pro Sync images and post content for offline viewing
Offline viewing allows the user to read Reddit anywhere, including places without an internet connection.
Pro Easy to switch subreddits
The sidebar in the app allows the user to quickly and easily switch to what subscribed subreddit they want to read next.
Pro Ad free version
A one time payment removes all ads from Reddit forever.
Cons
Con Problems displaying .gifv videos
Con Unrefined UI
The UI and UX lack the visual and functional polish of competing apps.
Con Tends to crash
Memory leaks and other bugs cause crashing, especially on low RAM devices.
Con Does not sync users' subreddits every time
Some reddit users will find that their subscribed subreddits will not sync. Instead, they are only given the defaults.
Con Themes do not work
When the user changes background colors, or runs reddit in night mode, the background will turn white when multitasking, while the text remains white.