A lineup that adapts
Drag to reorder players when the batting order changes. Hide an absent player and undo it when needed.
Sideline Soundcheck · iPhone & Android
Your lineup.
Their big moment.
Walk-up music and player introductions, ready before the first pitch. Organize your roster, prepare announcements and run game-day audio from your phone.
Get it on Google PlayGet supportAvailable now on Google Play for Android. The iPhone version is not yet available.
$4.99 USD on Android · US only. One-time purchase, no monthly voice fees.
Made for game day
Less scrambling.
More cheering.
An announcer in your pocket
Generate player introductions on your phone, preview names and save the audio before the event. No hosted voice service required.
Your team, your sound
Add a team picture, import audio you have permission to use and select a short clip for each player.
Inside Sideline Soundcheck
See your next game day.
From the dugout to the first pitch, keep the lineup and sound in one place.
Your teams, ready to go.
Keep your teams and their game-day setup together.
Run the lineup.
Choose a player and use roomy Previous, Replay and Next controls.
Make every entrance theirs.
Set up a player, select music and prepare an introduction.
A voice for their big moment.
Write a script and generate an announcement offline.
Actual Android development screenshots, refreshed October 18, 2026, with fictional team data. Layout may vary by device. Tap a screenshot to view it full size.
Prepare once. Play locally.
Ready when the field gets loud.
- Build your rosterAdd players, adjust their order and choose your team picture.
- Prepare their introductionsGenerate, record or import an announcement. Attach your music and preview every clip.
- Check your soundRun Soundcheck, test your speaker and control the lineup from Game Day.
Offline by design
Keep game day on your phone.
Once the app, voice files and your media are installed, generation and saved playback work locally. Installation, updates and cloud-file downloads need a connection. Generation time varies by device; prepare ahead of the game.
No commercial music catalog is included. Use audio you have the rights to import and play at your event.
Visit Sideline support