When comparing Signal vs Solid Explorer, the Slant community recommends Signal for most people. In the question“What are the most useful Android phone apps?” Signal is ranked 3rd while Solid Explorer is ranked 25th. The most important reason people chose Signal is:
Signal uses an advanced end to end encryption protocol that provides privacy for every message every time.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Provides security and privacy
Signal uses an advanced end to end encryption protocol that provides privacy for every message every time.
Pro Free and open source
Signal is free and open source software, enabling anyone to verify its security by auditing the code. It's the only private messenger that uses open source, peer-reviewed cryptographic protocols to keep your messages safe.
Pro Supports encrypted group chats
Pro Has a desktop app
Signal Desktop can be used on multiple devices and has most features of the Android version, although it still requires you to register with your phone.
Pro Supports sharing of various different media types
Signal supports: emoji, pictures, videos, audio, contacts, any location and GIF.
Pro Note to Self feature
Allows you to "send: messages to yourself and sync to desktop so you can use Signal as a kind of encrypted Pushbullet alternative
Pro You can easily view all media exchanged
You can easily view all media shared in the chat without scrolling back to when it was shared.
Pro Annonymous Sender (Encrypted)
The sender credentials can be encrypted with the rest of the message, leaving only the recipient address readable by the Signal server. Even if Signal wanted they couldn't see who is talking with who by this mean.
Pro Works everywhere in every country
Unlike most messenger apps, Signal works reliably in all countries by securely circumventing internet censorship.
Pro Recommended by Edward Snowden
Edward Snowden uses this messenger and recommends it to everyone who is concerned about his privacy.
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 Needs access to your phone number and contacts to work
Con Single device
Signal can only be registered to one mobile device at a time. But you can link Signal to Signal Desktop.
Con Servers hosted in the US
A security risk due to National Security letters, which require giving up data to the US state, and making it illegal to disclose that.
Con Unreliable notifications
Sometimes messages won't be received if the Signal app has been closed for a long time or hasn't been opened after booting the device.
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.