# Flex Metronome vs Oscillations & Waves Lab

The clearest difference is price: Flex Metronome at Free against Oscillations & Waves Lab's $4.99. Flex Metronome also leads on iOS requirement (14.0 vs 17.6). Oscillations & Waves Lab's advantage is update cadence (every 3 weeks vs every 3 months). On ads, in-app purchases and device support there is nothing between them.

Flex Metronome is free to download; Oscillations & Waves Lab costs $4.99 up front. Flex Metronome sells 2 in-app purchases, starting at $0.99 per month and Oscillations & Waves Lab sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Flex Metronome ships an update every 3 months, Oscillations & Waves Lab every 3 weeks. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Flex Metronome | Oscillations & Waves Lab |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flex-metronome/id1438005944/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 72 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [YASUHIRO SEKINE](https://appshunter.io/developer/1438005943) | [旭 陈](https://appshunter.io/developer/6780413573) |

## What reviewers say

### Flex Metronome

[App page](https://appshunter.io/ios/app/flex-metronome/id1438005944)

Create complex rhythm patterns like polyrhythms, swing, and ethnic grooves with this intuitive metronome app. Save your custom creations and utilize a library of editable presets for your musical needs.

**Highlights:** Create polyrhythms, Implement swing rhythms, Design ethnic grooves, Support odd time signatures, Save custom patterns, Edit preset rhythms

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium Yearly | $9.99 | per year |


### Oscillations & Waves Lab

[App page](https://appshunter.io/ios/app/oscillations-and-waves-lab/id6795052086)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Unlock All Experiments | $5.99 | one-time |


## Frequently asked questions

### Is Flex Metronome free?

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

### Is Oscillations & Waves Lab free?

Oscillations & Waves Lab costs $4.99, and also offers in-app purchases.

### Do Flex Metronome or Oscillations & Waves Lab have ads?

Neither Flex Metronome nor Oscillations & Waves Lab shows ads.

### Which is updated more often, Flex Metronome or Oscillations & Waves Lab?

Flex Metronome ships an update every 3 months, and Oscillations & Waves Lab every 3 weeks. Most recently, Flex Metronome was updated on October 21, 2026 and Oscillations & Waves Lab on October 14, 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.*