When comparing Signal vs Plume, the Slant community recommends Signal for most people. In the question“What are the best Android apps?” Signal is ranked 3rd while Plume is ranked 28th. 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 Multiple account support
Allows easy switching of accounts withing the app.
Pro Color-coding
Allows color-coded lists and users.
Pro Mute functions
Hides a persons tweets from timeline without unfollowing them. Can also mute words and applications.
Pro In-app browser
Plume has a built-in browser so you can view linked content without having to leave the application.
Pro Real-time notifications
At the expense of more battery consumption you can tell Plume to "livestream" updates so you get notifications of events as they happen.
Pro Photo & video previews in timeline
Embeds photo and video previews in timeline.
Pro Multiple picture host support
You can upload your picture to a selection of hosts. Among them Twitpic, Plixi, Posterous, and MyPict.me.
Pro In-line image viewer
Embeds images in timeline.
Pro Tablet support
Same application works on phones and tablets.
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 Plagued with bugs around posting and retweeting
Con Intrusive ads
You can also pay $4.99 for Plume Premium that removes the ads.
