Comparison

KaKaDum vs PolyRhythmic Metronome

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

KaKaDum

This app helps users practice Darbuka drumming and belly dance by providing a rhythm library and a player to act as an accompanist. Users can easily save and share their custom rhythms.

Highlights
  • Rhythm library management
  • Accompanist player
  • Rhythm export
  • Darbuka practice
  • Belly dance practice
Features
Read full description

KaKaDum is perfect tool for everyone practicing Darbuka drumming or belly dance! KaKaDum not only provides convenient way to keep your rhythm library - with Player feature you can turn your device into real accompanist!  And with export feature it's easy to share your rhythms! Happy drumming!

About

PolyRhythmic Metronome

Features
Read full description

Polyrhythmic Metronome is an advanced rhythm trainer designed for musicians who want to master polyrhythms, cross-rhythms, and complex time signatures. Practice with up to 3 simultaneous rhythm layers, choose from 20+ professional sounds, and take your timing to the next level. POLYRHYTHM ENGINE • Play 2 or 3 rhythm layers simultaneously (2:3, 3:4, 5:4, 7:4, 2:3:4, 3:4:5, and more) • Custom ratios up to 16 per layer • BPM range from 20 to 300 • Tap tempo for quick tempo matching • Per-beat accent cycling (accent, normal, ghost) • Visual playback grid with real-time position tracking 20+ PROFESSIONAL SOUNDS • Drums: Kick, Snare, Hi-Hat, Crash, Cowbell, Clap, Rim Shot, Toms • Pitched tones and bleeps for melodic practice • Piano sounds for harmonic context • Per-layer sound selection with session persistence GROOVE GENERATOR • Auto-generated drum grooves based on your polyrhythm pattern • 6-instrument drum machine: Kick, Snare, Hi-Hat, Crash, Bass, Piano • Step sequencer grid with tap-to-edit cells • Per-instrument mixer with volume and mute controls • Regenerate for endless groove variations • Independent BPM control SPEED TRAINER (Pro) • Automatic tempo increment during practice • Set start BPM, target BPM, bars per step, and BPM increment • Build speed gradually without interrupting your flow GHOST MODE (Pro) • Random beat muting to strengthen your internal pulse • Adjustable mute probability (10%–80%) • Re-randomizes each loop for unpredictable training PITCH EDITOR (Pro) • Piano-roll editor for per-beat pitch control on melodic sounds • Chromatic note selection across octaves 2–6 • Real-time preview and live rescheduling PDF EXPORT (Pro) • Export polyrhythm notation as print-ready PDF • Export groove patterns with velocity indicators • Share or print directly from the app • Includes practice tips for each pattern MIXER • Per-track volume sliders • Mute and solo controls • Real-time volume adjustment during playback Perfect for drummers, percussionists, guitarists, pianists, and any musician looking to improve their rhythmic independence and timing accuracy. From RiffRoutine — apps and resources for musicians. Terms of Use: https://www.riffroutine.com/terms

Screenshots

KaKaDum4 screens
PolyRhythmic Metronome4 screens

Verdict

The call

The clearest difference is price: PolyRhythmic Metronome at Free against KaKaDum's $2.99. PolyRhythmic Metronome also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). KaKaDum's advantage is in-app purchases (none vs 2). On update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

PolyRhythmic Metronome is free to download; KaKaDum costs $2.99 up front. PolyRhythmic Metronome sells 2 in-app purchases, starting at $2.99 per month. KaKaDum asks for nothing beyond the download.

UpkeepUpdate frequency

KaKaDum ships an update monthly, PolyRhythmic Metronome every 2 months. The most recent releases landed on October 23, 2026 and October 3, 2026 respectively.

Scorecard4 real differences · 6 level
KaKaDum versus PolyRhythmic Metronome: the parameters behind the verdict, then further details
ParameterKaKaDumPolyRhythmic Metronome
Price$2.99Free — better
Rating4.9 (16 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings16 — better—
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.013.0 — better
Further details — not scored
Size8 MB82 MB
Age rating4+4+
DeveloperVladyslav LytvynenkoRomeu Beato

In-app purchases

None

KaKaDum

No in-app purchases

2 purchases

PolyRhythmic Metronome

Subscriptions1
  • Polyrhythmic Metronome Pro7 Days trial$2.991 Month
One-time1
  • Polyrhythmic Metronome - Lifetime$8.99

Questions

Is KaKaDum free?
KaKaDum costs $2.99, with no in-app purchases.
Is PolyRhythmic Metronome free?
PolyRhythmic Metronome is free to download, with in-app purchases available.
Do KaKaDum or PolyRhythmic Metronome have ads?
Neither KaKaDum nor PolyRhythmic Metronome shows ads.
Which is updated more often, KaKaDum or PolyRhythmic Metronome?
KaKaDum ships an update monthly, and PolyRhythmic Metronome every 2 months. Most recently, KaKaDum was updated on October 23, 2026 and PolyRhythmic Metronome on October 3, 2026.

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