AppCritique - Upload your Android APKs and receive comprehensive free security assessments.
NowSecure Lab Automated - Enterprise tool for mobile app security testing both Android and iOS mobile apps. Lab Automated features dynamic and static analysis on real devices in the cloud to return results in minutes. Not free
AMAaaS - Android Malware Analysis as a Service. A baremetal service features static and dynamic analysis for Android applications. A product of MalwarePot (https://malwarepot.com/index.php/AMAaaS) - Free.
RiskInDroid - A tool for calculating the risk of Android apps based on their permissions, with online demo available.
SUPER - Secure, Unified, Powerful and Extensible Rust Android Analyzer
ClassyShark - Standalone binary inspection tool which can browse any Android executable and show important infos.
StaCoAn - Crossplatform tool which aids developers, bugbounty hunters and ethical hackers performing static code analysis on mobile applications. This tool was created with a big focus on usability and graphical guidance in the user interface.
JAADAS - Joint intraprocedure and interprocedure program analysis tool to find vulnerabilities in Android apps, built on Soot and Scala
App Vulnerability Scanners
QARK - QARK by LinkedIn is for app developers to scan app for security issues
Mobile-Security-Framework MobSF - Mobile Security Framework is an intelligent, all-in-one open source mobile application (Android/iOS) automated pen-testing framework capable of performing static, dynamic analysis and web API testing.
Appie - Appie is a software package that has been pre-configured to function as an Android Pentesting Environment. It is completely portable and can be carried on USB stick or smartphone. This is a one stop answer for all the tools needed in Android Application Security Assessment and an awesome alternative to existing virtual machines.
StaDynA - a system supporting security app analysis in the presence of dynamic code update features (dynamic class loading and reflection). This tool combines static and dynamic analysis of Android applications in order to reveal the hidden/updated behavior and extend static analysis results with this information.
Mobile Security Reading Room - A reading room which contains well categorised technical reading material about mobile penetration testing, mobile malware, mobile forensics and all kind of mobile security related topics