- ReactRight: Web app that provides instant compatibility and safety information for mixing various chemicals. It draws data from authoritative sources like NIOSH and NFPA.

- SmartLab Safety: App for iOS and Android that offers in-depth hazard information, PPE advice, and recommended handling practices when mixing chemicals.

- ChemADR: Web-based tool that assesses the compatibility and risks associated with mixing multiple chemicals. It covers a wide range of substances, including acids, bases, solvents, and more.

- HazMat Manager: App for iOS and Android primarily used by first responders and emergency professionals, but it also features a chemical compatibility checker.

- Chemwatch Compatibility App: App for iOS and Android that provides compatibility advice for mixing chemicals, including recommendations for storage and handling.

- Chemical Compatibility Chart: Android app that presents a list of chemicals and their compatibility with each other.

Important Note: While these apps can be helpful, they should not replace thorough safety training and adherence to proper laboratory procedures. Always consult multiple sources and ensure you have a comprehensive understanding of the potential hazards and precautions before mixing chemicals.