PhonoFit(フォノフィット)英語の音を聞き分ける耳トレ is an education app by ASAKAWA Lab with 100+ downloads (about 278 estimated). +44 installs in the last 7 days. Released Sep 18, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Can you distinguish between L and R? Start with a 20-question ear test (free). Train your English listening skills with research-based minimal pair phoneme training.”