Volte is made by a small team. Mail reaches a person, not a queue.
Something broken, something lost, or something confusing: write to support@volte.dev. Say which iPhone and iOS version you are on and what you expected to happen; a screenshot helps. Replies usually take a day or two.
If a recording seems to have gone missing, do not delete or reinstall the app before writing in. The audio is usually still on the device, and reinstalling deletes the app's local data for good.
What the app does and does not do with your data is on the privacy page. For anything else, the same address works: support@volte.dev.
Volte is published by Paperfoot AI Pte. Ltd., Singapore; more at paperfoot.com.