421Grid vs RDM Playalongs

Turn Practice into Progress. Inspiration into Execution. Whether you’re a drumline veteran, music educator, or aspiring percussionist, this app is your personal drumming lab—designed to help you experiment, customize, and level up your chops with precision. Built for Rudimental Drummers Who Want More Forget flipping through old notebooks or searching YouTube for exercises you can’t customize. With this app, you can build your own practice grids, apply the legendary 4-2-1 structure, and modify exercises using accents, subdivisions (triplets, fivelets, sixteenths), or even alternate stickings—all with just a few taps. Customize Everything Shift the beat. Change the direction. Reverse your sticking. Or layer complexity to push your brain and hands to the limit. Every exercise becomes your own. Designed for Students and Educators Music teachers: Quickly generate custom warmups or technique builders for your drumline. Students: Practice smarter, not just harder—with structured routines and unlimited variations. Why Drummers Are Calling This a Game-Changer: • Reinforces fundamentals through creative repetition • Encourages daily practice through customization and challenge • Perfect for drumline auditions, solo prep, or just sharpening your hands • No internet? No problem. Train anywhere you take your sticks. Ready to Break Through Your Plateaus? This isn’t just another drumming app. It’s your creative practice engine, your daily workout, and your edge over the competition. Download now and redefine your rudimental journey.

Three practice tools for rudimental drummers, built to get your hands clean and fast. PLAYALONGS 500+ exercises. Press play and it loops until you stop it. Set the tempo to bounce around inside a range so you can't settle in, or have it climb every few reps until you find where you break. Twelve ready-made playlists too, or build your own. METRONOME Any time signature. Any subdivision, including the ones normal metronome apps don't have: 7-lets, 9-lets, ratio rhythms. Accent, diddle, buzz or mute any beat, any partial. Chain different rhythms into a sequence and save it. SIGHT-READING LAB Hit generate, get a page you've never seen. Set the tempo, the rests, the stickings, the syncopation, the time signature. Set the difficulty to your level. Notation on screen while it plays, so you're reading and hearing at the same time. Practice time tracked. Streaks. Leaderboard. Stuck on something? Post it in the community and I'll answer it myself. Built by Anthony Steller, a gigging drummer and snare instructor, for marching snare drummers and drumlines. Start free. You get all three tools with limits, no card needed. RDM Playalongs Monthly is an auto-renewing subscription, $12.99 per month. It unlocks all 500+ exercises and every control in all three tools. Payment is charged to your Apple Account at confirmation of purchase. It renews automatically unless you cancel at least 24 hours before the end of the period. Manage or cancel in your Apple Account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://rudimentaldrummingmastery.com/privacy-policy.html