Just try and see for yourself. Like I said, only tried Keet. Features

• Share files as big as you like, 2m, 2g, 2t, doesn’t matter
• Windows, linux, ios, android
• Groups, dm’s, broadcast feed
• No phone number or email needed, add by alias/link/qr
• Unlimited call quality since theres no server in between or throttling
• Share emojis, gifs, videos (no stickers or self-destruct atm)