AppValley is 100% safe. It is completely safe to download any app or edit from the AppValley app store. The developers (Twitter) are very active and constantly monitor the app’s issues. If any do arise, they will be rectified almost immediately. Plus, they check for any issues locally to make sure you’re safe to use. AppValley developers update the app regularly, add new, safe content and also add security features so you can download any app or tweak from the installer without worry Worry about any malware, spyware, viruses, or anything else that might compromise your device.