QuartzMetro vs BPM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QuartzMetro
This metronome app offers highly accurate tempo control with a simple interface. It features a realistic metronome sound and is designed for low power consumption. The app is free to use.
- Highly accurate tempo control
- Simple drag interface
- Realistic metronome sound
- Low power consumption
- Free to use
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This is an app of the metronome. Accurate: An error of less than 22.7 micro-second.(based on theoretical calculation) (1 micro-second is equal to 0.001 milli-second.) Simple: Drag the white ring to change tempo. Tone quality is like real metronome tone. Low power consumption during use. This app is for free. Made in Japan!
BPM
This metronome app helps musicians of all levels stay in time with their practice. It offers multiple metronome styles, a tap-to-set BPM feature, and vibration feedback for iPhone and Apple Watch users. Practice your music with visual, auditory, or haptic cues.
- Four metronome styles
- Tap to set BPM
- Vibration feedback
- Enhanced watchOS app
- Free to download
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BPM is the perfect metronome app for musicians of all levels. With a variety of features, BPM makes it easy to set your tempo and keep your practice sessions on track. Whether you're a beginner or a seasoned pro, BPM has everything you need to keep your music in time. * Four Metronome Styles: Choose from four different metronomes to best represent your tempo. * Tap for BPM: Easily set your tempo by tapping along to a beat. * Vibration: (iPhone & Apple Watch) Feel the beat with haptic feedback, ensuring you stay in sync by sight, sound or touch. * Enhanced watchOS App: Feel the beat right on your wrist. * Download today for free!
Screenshots
Verdict
The clearest difference is in-app purchases: QuartzMetro at none against BPM's 1. QuartzMetro also leads on ads (none vs shown) and iOS requirement (8.0 vs 17.6). BPM's advantage is update cadence (every 9 months vs every 114 months). On price, rating, review sentiment and ratings volume 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
Both are free to download. BPM sells 1 one-off in-app purchase. QuartzMetro asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.0 for QuartzMetro against 4.0 for BPM. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
QuartzMetro ships an update every 114 months, BPM every 9 months. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.
| Parameter | QuartzMetro | BPM |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) | 4.0 (4 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 114 months | Every 9 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, Apple Watch — better |
| Requires iOS | 8.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 1 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | ON Science Japan | Mason Peralta |
Customer experience
QuartzMetro
BPM
In-app purchases
QuartzMetro
No in-app purchases
BPM
- Remove Ads$0.99
