スピガン｜少年野球の球速記録と球数管理 is a sports app by 投資家JACK with 10+ downloads (about 30 estimated). +9 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “Record pitch speed in just two taps. Features include pitch count management, growth graphs, and pitch speed cards compliant with the new 2026 rules. No ads, no registration required.”
