# Metronome BPM vs SUS4 Metronome

The clearest difference is update cadence: SUS4 Metronome at fortnightly against Metronome BPM's every 5 weeks. SUS4 Metronome also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Metronome BPM sells 3 in-app purchases, starting at $1.99 per month and SUS4 Metronome sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Metronome BPM ships an update every 5 weeks, SUS4 Metronome fortnightly. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Metronome BPM | SUS4 Metronome |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Size | 55 MB | 28 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | — | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [炤翊 吴](https://appshunter.io/developer/1865185609) | [ThePaulSmith](https://appshunter.io/developer/319584506) |

## What reviewers say

### Metronome BPM

[App page](https://appshunter.io/ios/app/metronome-bpm-tickstudio/id6757201849)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TickStudio Pro | $1.99 | per month |
| TickStudio Pro Quarterly | $4.99 | per 3 months |
| TickStudio Pro Yearly | $14.99 | per year |


### SUS4 Metronome

[App page](https://appshunter.io/ios/app/sus4-metronome-polyrhythms/id6777229813)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SUS4 Metronome Pro Monthly | $0.99 | per month |
| SUS4 All-Access | $4.99 | per month |


## Frequently asked questions

### Is Metronome BPM free?

Metronome BPM is free to download, with in-app purchases available.

### Is SUS4 Metronome free?

SUS4 Metronome is free to download, with in-app purchases available.

### Which is updated more often, Metronome BPM or SUS4 Metronome?

Metronome BPM ships an update every 5 weeks, and SUS4 Metronome fortnightly. Most recently, Metronome BPM was updated on October 11, 2026 and SUS4 Metronome on October 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*