# Musical Meter 2 vs AI From Zero

The clearest difference is in-app purchases: Musical Meter 2 at none against AI From Zero's 7. Musical Meter 2 also leads on iOS requirement (12.0 vs 17.0). AI From Zero's advantage is update cadence (every 4 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. AI From Zero sells 5 one-off in-app purchases. Musical Meter 2 asks for nothing beyond the download.

Musical Meter 2 ships an update every 6 weeks, AI From Zero every 4 days. The most recent releases landed on September 6, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Musical Meter 2 | AI From Zero |
| --- | --- | --- |
| 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 4 days** |
| Monetization | Paid | — |
| Size | 71 MB | 147 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Quizness Apps](https://appshunter.io/developer/1062928731) | [XU ZHAO](https://appshunter.io/developer/6774023434) |

## 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


### AI From Zero

[App page](https://appshunter.io/ios/app/ai-from-zero/id6800180169)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Course: Levels 4–9 | $4.99 | one-time |
| Full Course Unlock | $4.99 | one-time |
| Prompt Full Course Unlock | $4.99 | one-time |
| AI-Ready Full Course Unlock | $4.99 | one-time |
| Unlock All 6 Courses | $19.99 | one-time |


## Frequently asked questions

### Is Musical Meter 2 free?

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

### Is AI From Zero free?

AI From Zero is free to download, with in-app purchases available.

### Do Musical Meter 2 or AI From Zero have ads?

Neither Musical Meter 2 nor AI From Zero shows ads.

### Which is updated more often, Musical Meter 2 or AI From Zero?

Musical Meter 2 ships an update every 6 weeks, and AI From Zero every 4 days. Most recently, Musical Meter 2 was updated on September 6, 2026 and AI From Zero on September 26, 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.*