Applio
Applio is an open-source, AI-driven voice conversion suite.
At a glance
Starts at
Free
No paid plan found on the vendor's site, September 2026.
Free tier
No
Platforms
Windows, macOS, Linux, Colab, Kaggle
Best for
Voice artists, researchers, developers
Not for
Beginner content creators
4.4 out of 5
Scored by a Toolio reviewer after real useOur verdict
Suitable for customizing voices with precise control, but may lack a user-friendly interface and extensive documentation. Ideal for those familiar with the command line or willing to dive into code.
✓What it does well
Custom voice modelsCreate unique AI voices from scratch.
Real-time conversionChange your voice instantly with low latency.
Open sourceAccessible for customization and modification.
✕Where it falls short
No user-friendly interfaceRequires command line knowledge to operate effectively.
Limited documentationInadequate resources for beginners.
Cloud reliancePerformance can be inconsistent on cloud platforms.
Key features
Real-time conversionConvert voices in real time, perfect for live events.
Model trainingTrain custom voice models from your dataset.
Voice blendingCombine multiple voice models into one unique sound.
Detailed Audio AnalyzerPrepare datasets with audio health information.