Best シンプルトレーニング alternatives: apps like シンプルトレーニング

Reppz: Push-up tracker

Rep by Rep. Build the Habit.

Free

This app helps you build a consistent daily push-up routine through gamified progression and smart reminders. Track your progress with beautiful visualizations and earn badges for reaching milestones. It prioritizes privacy with an offline-first approach and optional iCloud sync.

サクヤと4分筋トレ

by Nihon no Inaka ha Shihonshugi no Frontier da LLC.

Free

This app offers quick, 4-minute workouts guided by a ninja character, Sakuya, with video demonstrations and encouraging voiceovers. It features customizable routines, progress tracking, and optional social features to connect with friends. The app is free, requires no registration, and is designed for easy, consistent fitness.