Metropoly - Polyrhythms

Thijmen Dam · Music

$9.99

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Chart standing · US

Top Paid Music
#78
Best #78 —

What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Sep 23, 2026
New version 1.1.0 → 1.2.0

### Added - A new "animation" setting lets you switch how the traveling dots move: "eased" (speeding up into each beat) or "linear" (constant speed throughout). Exported videos match whichever style is selected.

Sep 17, 2026
New version 1.0 → 1.1.0

In-app purchases · US

No in-app purchases.

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About

Metropoly is a polyrhythmic metronome that turns polyrhythms into something you can see and feel. It helps you develop an intuition for complex rhythms by visualizing them in a way that makes their structure obvious at a glance. BUY IT ONCE AND OWN IT - No subscription. - No ads. - No sign-in. - Every feature works offline. - One purchase for iPhone, iPad and Mac. BUILD A POLYRHYTHM - Up to six rhythms, each with its own beat count, all lining back up every cycle. - Every rhythm gets its own configurable color and sound, so the parts stay separable by eye and ear. - If preferred, add a count-in of one full cycle of the first rhythm, so you know where the loop starts before it starts. EXPORT THE LOOP AS VIDEO - Render the current polyrhythm to a square video at 1080p or 4K. - Choose a gray, black, white, or transparent background that drops straight into your edit. - Loop it 1 to 64 times, with or without audio. Loops are frame and sample accurate, so they cut together seamlessly. - Rendering carries on while you use another app, and tells you when it is finished. PRESETS - Save any configuration as a named preset and load it back instantly. - The app reopens on the polyrhythm you were last working on. THEMES - Three light themes and three dark themes, following the system appearance or pinned to one. - Separately configure the background color of the polygon view. ABOUT THE DEVELOPER Made by Thijmen Dam, an indie developer and musician building small, focused tools with care. Metropoly started as a way to practice polyrhythms, and grew into something I actually enjoy opening every day. Thanks for giving it a spin (literally!). It means a lot to me. If you have any feedback, do not hesitate to reach out.

What's new · 1.2.0

### Added - A new "animation" setting lets you switch how the traveling dots move: "eased" (speeding up into each beat) or "linear" (constant speed throughout). Exported videos match whichever style is selected.

Details

DeveloperThijmen Dam
ReleasedSep 2026
UpdatedSep 2026
Version1.2.0
Size1.9 MB
RequiresiOS 16.0 or later
Age rating4+
LanguagesEnglish
Price$9.99
Categories MusicEducation
Bundle IDcom.thijmendam.metropoly