When comparing OI File Manager vs Solid Explorer, the Slant community recommends Solid Explorer for most people. In the question“What are the best file explorers on Android?” Solid Explorer is ranked 1st while OI File Manager is ranked 9th. The most important reason people chose Solid Explorer is:
With the amount of functions as well as the two pane browsing, Solid Explorer is very easy to use.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Few permissions
It asks only for Storage permissions. No other things are required.
Pro Lightweight
The app takes only a few seconds to download, as its size is only about 1.5 MB to download and installed (on MIUI) takes only ~6 MB full size.
Pro Open Source
OI File Manager is available for free under the Apache License 2.0.
Pro ZIP file extraction support
OI File Manager supports extracting ZIP files.
Pro Easy to use
With the amount of functions as well as the two pane browsing, Solid Explorer is very easy to use.
Pro Two panel browsing
Solid Explorer allows for two separate panels to be browsed simultaneously, allowing for easy copy past functions as well as drag and drop.
Pro Beautiful material design
Pro Connects to cloud services
Add Google Drive, One Drive, Dropbox, and more, all natively through extensions.
Pro Ability to read and extract ZIP, 7ZIP, RAR and TAR archives, even encrypted
Pro Rich customization options: icons sets, colour schemes, themes
Pro A perfect implementation of Material Design
Pro Multi-Platform Versatility
Solid Explorer has efficient, productive, and fluid interfaces customized for each users' specific platforms. Versatile, intuitive, and productive on small mobile screens, and capitalizes on larger mobiles (tablets), increasing functionality with added screen real estate.
Pro Cloud file manager: Dropbox, Box, OneDrive, Google Drive, Sugarsync, Copy, Mediafire, Owncloud, Yandex
Pro Ability to create password protected ZIP and 7ZIP archives
Pro FTP, SFTP, WebDav, SMB/CIFS clients
Pro Root access makes Solid Explorer a fully functional root explorer
Pro Detailed file information with storage usage statistics
Pro Native picture viewer (SE Image) and music player (SE Music Player)
Allows quick opening of images and audio files to preview without opening another app.
Pro Useful tools: hiding unwanted folders, FTP Server (plugin), bookmarks, Chromecast support, media browser
Pro Batch rename: change names of multiple files at once using regular expressions and variables
Pro Indexed search finds your files in a couple of seconds
Pro Protect individual files &/or folders with a password
If your device has a fingerprint sensor you can use it to open encrypted files without a need to provide the password. The same applies for cloud storages, which can now be accessed with the fingerprint as well.
Pro Extensibility: more features in separate plugins available in Google Play
Cons
Con No additional features (suite)
No other features such as networking connections, junk flies cleaner, built-in media player/viewer/editor. But that might be a pro, since nothing else is asked for this app permission.
Con Outdated
At this moment I'm writing, it was updated last in 2017.
Con Ugly UI
The GUI is old and deprecated. But what would you expect for such a small app?
Con Costs money
There is a 14 day free trial, but for those that would like to use the app longer, it will cost money to unlock.
Con Slow SMB connections
Connecting to a Samba server can take 30 seconds or longer.
Con No native Office document viewer or video player
There is no native document viewer, except for the plain text editor (SE Text Editor), nor is there a native video player, with the exception of a video casting app (SE Video Cast). The video casting app appears to require a Chromecast device.