# Musical Meter 2 vs BioFlash

The clearest difference is in-app purchases: Musical Meter 2 at none against BioFlash's 1. Musical Meter 2 also leads on update cadence (every 6 weeks vs every 7 months) and iOS requirement (12.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. BioFlash sells 1 in-app purchase, starting at $9.99 per year. Musical Meter 2 asks for nothing beyond the download.

Musical Meter 2 ships an update every 6 weeks, BioFlash every 7 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Musical Meter 2 | BioFlash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/musical-meter-2-notation/id1072803356/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 7 months |
| Monetization | Paid | — |
| Size | 71 MB | 44 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Quizness Apps](https://appshunter.io/developer/1062928731) | [Gentiana Etemi](https://appshunter.io/developer/1883027493) |

## What reviewers say

### Musical Meter 2

[App page](https://appshunter.io/ios/app/musical-meter-2-notation/id1072803356)

Learn to read and play music rhythms with interactive exercises. This app teaches note duration and timing through visual and auditory examples, preparing you for real sheet music. It focuses on compound time, various note types, and developing a strong sense of rhythm.

**Highlights:** Learn note duration and timing, Visual and animated examples, Interactive, randomly generated levels, Professionally engraved notation, Compound time concepts, Eighth and sixteenth notes/rests, Dotted notes

**Features:** Vision Pro support

**In-app purchases:** none


### BioFlash

[App page](https://appshunter.io/ios/app/bioflash-glossary/id6760253478)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BioFlash Premium | $9.99 | per year |


## Frequently asked questions

### Is Musical Meter 2 free?

Musical Meter 2 is free to download, with no in-app purchases.

### Is BioFlash free?

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

### Do Musical Meter 2 or BioFlash have ads?

Neither Musical Meter 2 nor BioFlash shows ads.

### Which is updated more often, Musical Meter 2 or BioFlash?

Musical Meter 2 ships an update every 6 weeks, and BioFlash every 7 months. Most recently, Musical Meter 2 was updated on October 24, 2026 and BioFlash on October 24, 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.*