SongToolbox AI Song Extender vs Udio

SongToolbox AI Song Extender plans

No prices published.

Udio plans

• FreeFree
• Standard$10 a month
• Pro$30 a month

Pick SongToolbox AI Song Extender if…

You want what its maker publishes above — check its page for the details.

Pick Udio if…

Udio may suit people who want to generate vocals or work from uploaded audio on web or iOS. The free plan provides a limited credit allowance, while paid plans offer larger monthly pools.