# C4 Metronome - Pro Beat & BPM — Best for Guitar Piano Drum Rap

> Best for Guitar Piano Drum Rap (iPhone/iPad app by 勃 庞.)

- Source: https://appshunter.io/ios/app/c4-metronome-pro-beat-and-bpm/id6749226618 (this page in markdown: same URL + `.md`)
- Developer: [勃 庞](https://appshunter.io/developer/1802522353)
- Category: Music
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.6 · 8 MB
- Languages: American English, Japanese, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2026-03-03
- Data updated: 2026-08-01
- User reviews in markdown: https://appshunter.io/ios/app/c4-metronome-pro-beat-and-bpm/id6749226618/reviews.md

## What is C4 Metronome?

Craving a metronome that delivers rock-solid, consistent beats for every practice session? C4 Metronome is meticulously crafted for music enthusiasts, instrument learners, and professional performers alike, delivering millisecond-level tempo precision to help you build solid rhythmic foundations and master every melody.

Whether you’re practicing piano, guitar, drums, or fine-tuning rhythm for vocal performances and dance choreography, this metronome adapts seamlessly to your needs. It supports customizable time signatures spanning from basic 4/4 to intricate 7/8, paired with flexible beat subdivision patterns that let you nail syncopated rhythms with ease. Adjust the tempo freely within the 30–500 BPM range using the intuitive rotary dial — perfect for slow, deliberate practice sessions and high-tempo skill challenges.

Featuring a sleek user interface, the app is designed for zero learning curve: start the beat with one tap, tweak tempo via the rotary dial, and switch subdivision patterns effortlessly — ideal for beginners and pros alike.

Enhance your practice with thoughtful features:

- Visual Beat Indicator: A dynamic, easy-to-track visual cue highlights exactly which beat you’re on in real time to keep you locked into the rhythm.
- Customizable Beat Sounds: Pick distinct sounds for downbeats and subdivision beats to match your practice style and instrument.
- Background Playback support that keeps the beat going even when your device is locked

Ditch inconsistent rhythm perception. Let C4 Metronome calibrate every beat of your practice, and elevate your performances with impeccable rhythm!

Terms of Use (EULA): http://www.apple.com/legal/itunes/appstore/dev/stdeula

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Yearly | $9.99 | per year |
| Every 3 Months | $2.99 | per 3 months |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Subscribe Forever | $99.99 | one-time |



## Version history (last 5 releases)

### 1.5.1 — 2026-07-30

- Fixed an issue where incorrect song information was retrieved when saving songs.

### 1.5.0 — 2026-07-23

- New beat subdivision/syncopation controls
- Added display of playback time and playback measures
- Added song library function: save current song settings and load previously saved song settings
- Minor enhancements

### 1.1.0 — 2026-04-29

- Added flashing rhythm indicator
- Added "Beep" click sound
- Optimized some of the click sounds

### 1.0.3 — 2026-04-07

Fixed the sound issue when connecting or disconnecting Bluetooth devices.

### 1.0.2 — 2026-03-19

- Fixed occasional tempo instability in the first two bars.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-01.*