When comparing Bleep vs Threema, the Slant community recommends Threema for most people. In the question“What are the best Skype alternatives?” Threema is ranked 10th while Bleep is ranked 27th. The most important reason people chose Threema is:
Registration is handled by random generated IDs. No phone number needed.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Free and cross-platform
Bleep is available for free on Windows, OS X & Android.
Pro Privacy focused
Bleep uses end-to-end encryption to keep communications private and leaves no metadata on a central server so no-one even knows the communication took place.
Pro Registration without phone number
Registration is handled by random generated IDs. No phone number needed.
Pro Encrypted communication
Provides complete end-to-end encryption.
Pro Company behind Threema is based in Switzerland
Pro Servers in Switzerland
Privacy laws protect the data Threema has.
Pro Supports encrypted group chats
Pro Provides a web client
You can control and message with friends via Threema Web, the official web client for Threema.
Pro Ability to send pics and videos
Threema supports sending media messages such as video, pics and even voice messages.
Pro Group chat polls
Pro Allows verification of contacts identity via QR Code
Cons
Con Privacy claims can't be validated
Since Bleep is not open source, there is no way to validate product's privacy claims.
Con Alpha state
Bleep is in early stages of development meaning there can be issues and it may be unstable.
Con Not free
Unlike many other options Threema is not free as it costs $1.99 for the app.
Con Single device only
You cannot use multiple devices to send messages. However, it does have message mirroring on a web client.
Con No cloud sync
E2E encryption means no cloud syncing of messages.