https://katteba.co.jp/tonekai/en/blog/ The official blog of Tonekai, the AI mastering app for macOS. Mastering basics, tips for AI music creators, and ways to get the most out of the app. en https://katteba.co.jp/tonekai/en/blog/hello-tonekai/ https://katteba.co.jp/tonekai/en/blog/hello-tonekai/ Tue, 28 Jul 2026 09:00:00 +0900 An introduction to Tonekai, the macOS app that masters your tracks automatically — no uploads, no subscription — and the story behind it.