Are there plans for a Windows Phone version? BlackBerry version? Ubuntu Phone version? Masha Kolenkina Updated May 19, 2017 18:37 The team at Open Whisper Systems is currently focused exclusively on the iOS, Android, and Desktop applications. Learn more on how you can help. Related articles How do I help? What is Signal Desktop? How do I install Signal Desktop? Does Signal work for email? Can Google read my messages? Can Apple read my messages?