When comparing Threema vs Material Messaging, the Slant community recommends Threema for most people. In the question“What are the best messaging apps for Android?” Threema is ranked 6th while Material Messaging is ranked 45th. The most important reason people chose Threema is:
Registration is handled by random generated IDs. No phone number needed.
Specs
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Pros
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
Pro Dual SIM support
The app is designed from the ground up with support for 2 SIM cards in mind.
Pro Message scheduling
Allows the scheduling of messages in advance.
Pro Pushbullet integration
Pro Per-contact customization
Pro Very few bugs, good dev support
Pro Fast load times and transitions
Pro Great-looking material design
The app follows Material Design guidelines very closely.
Cons
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.
Con Settings menu is barebones
In addition to visual customization the app allows turning sounds, notifications and vibrations on an off. That's about it.