Groove Lab Metronome vs HarmoniaMASTER
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Groove Lab Metronome
Create complex practice tracks with dynamic tempo changes and a groove-aware drum machine. Designed by musicians, this app offers a distraction-free experience for focused practice on any instrument.
- Multi-measure sequence builder
- Tempo changes (accelerando, ritenuto)
- Custom time signatures and beat groupings
- Groove-aware drum kits
- Background playback
- Save and organize presets
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Designed by professional orchestra musicians. Build practice tracks with mixed meter, tempo changes, and a drum machine that actually grooves without ads or distractions. PRACTICE ANY RHYTHM Build a multi-measure practice track in seconds. Chain together time signature changes, set accelerando or ritenuto with natural curves, and hit play. Groove Lab handles the complexity so you can focus on your instrument. A DRUM MACHINE THAT UNDERSTANDS MUSIC Choose from 8 sound profiles — from a clean click to funk, disco, and EDM drum kits. The drum machine knows strong and weak beats and plays with authentic groove in any grouping: 2+2+3, 3+2+2, or whatever your music demands. CLEAN AND FOCUSED No ads. No accounts. No social features. Just a beautifully designed metronome that gets out of your way. Dark interface built for stage, studio, and practice room. WORKS IN THE BACKGROUND Lock your screen or switch to ForScore, iReal Pro, or your sheet music reader. Groove Lab keeps playing. Use it as your always-on click track. FEATURES - Multi-measure sequence builder with repeat counts - Accelerando, ritenuto, and subito tempo changes - Custom time signatures and beat groupings - Per-beat subdivision control — accent, mute, or customize any hit - 8 sound profiles including groove-aware drum kits - Tap tempo with intelligent averaging - Count-in (1–5 measures) - Save and organize presets in folders - Share practice tracks as links with other musicians Built by musicians who use it every day.
HarmoniaMASTER
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【Harmonia MASTER】ハルモニアマスターは、吹奏楽・合唱・アンサンブルのために設計された音楽ツールアプリです。 【主な機能】 ● チューナー マイクで音程をリアルタイム検出。セント単位でチューニングできます。 ● 純正律 / 平均律 対応ピアノ 12音それぞれのセントオフセットをフェーダーで調整。純正律の響きを学ぶのに最適です。 ● コード再生 主要コードをワンタップで再生。純正律と平均律の響きの違いを確認できます。 ● 基準ピッチ調整 A₄ = 415〜470Hzまで対応。
Screenshots
Verdict
The clearest difference is update cadence: HarmoniaMASTER at every 5 days against Groove Lab Metronome's every 4 months. On price, ads, in-app purchases and device support 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
Groove Lab Metronome costs $2.99 and HarmoniaMASTER $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Groove Lab Metronome ships an update every 4 months, HarmoniaMASTER every 5 days. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.
| Parameter | Groove Lab Metronome | HarmoniaMASTER |
|---|---|---|
| Price | $2.99 | $2.99 |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 4 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 5 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Nicholas Mahon | Mina Iwabuchi |
In-app purchases
Groove Lab Metronome
No in-app purchases
HarmoniaMASTER
No in-app purchases
Questions
Is Groove Lab Metronome free?
Is HarmoniaMASTER free?
Do Groove Lab Metronome or HarmoniaMASTER have ads?
Which is updated more often, Groove Lab Metronome or HarmoniaMASTER?
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