If you're looking for another Cleanvoice alternative, Auphonic is a great option. It's got a wide range of AI-based tools to polish your audio, including noise and reverb reduction, speech-to-text and automatic show notes. Auphonic also has automated workflows and API integrations so you can get high-quality audio to all your destinations. Its tiered pricing system means you can pay for what you need, including a free plan for up to 2 hours of audio per month.
Another powerful alternative is Descript. It's got multitrack audio editing abilities and AI-based tools like clip creation, transcription and speech generation. Descript's text document-style interface for editing audio clips means it's easier to edit, and one-click captions and automatic transcription are useful for podcasters.
If you're particularly interested in background noise removal and echo cancellation, ai|coustics is worth a look. This web app and API/SDK lets you boost voice recordings to studio quality with tools like dynamic noise elimination and smart volume leveling. It supports more than 40 file formats and has batch processing abilities, too, which is useful for podcasters and other content creators.
Last, you should check out Riverside for its AI tools like automated transcription, auto-generated show notes and the ability to create clips from recordings. Riverside's text-based editor and magic clips make it easy to edit recordings, and its local recording feature means you'll get good results even when your internet connection is spotty. Its tiered pricing system means it's useful for a range of users.