# Solfa vs OAOapp

The clearest difference is ads: OAOapp at none against Solfa's shown. Solfa's advantage is update cadence (every 3 weeks vs every 30 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Solfa ships an update every 3 weeks, OAOapp every 30 months. The most recent releases landed on October 23, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Solfa | OAOapp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (806 ratings)](https://appshunter.io/ios/app/solfa-learn-musical-notes/id1436741307/reviews)** | — |
| Number of ratings | **806** | — |
| Positive reviews | 49.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 30 months |
| Monetization | Ad-supported | — |
| Size | 75 MB | 47 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexey Ovod](https://appshunter.io/developer/1545142178) | [Jose Alberto Pimentel](https://appshunter.io/developer/1709733473) |

## What reviewers say

### Solfa

[App page](https://appshunter.io/ios/app/solfa-learn-musical-notes/id1436741307)

This app is a quiz game designed to help beginners and children learn to read sheet music and identify musical notes. It supports various clefs and note naming systems, making it versatile for different instruments and learning styles.

**Highlights:** Learn musical notes, Read sheet music, Supports multiple clefs, Train sight-reading, Learn tonality and chords, Multiple note naming systems

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple but effective
- 👍 Great for guitar players
- 👍 Teaches fundamentals well
- 👍 Helps improve musicianship

**What reviewers complain about**

- 🔍 Too many ads
- 🐛 Crashes with MIDI connection
- 🐛 Glitchy and buggy
- 🔍 Limited features and options

**Reported bugs**

- Displaying notes outside instrument range
- Incorrectly identifying notes
- Sound not working
- Unable to advance past first screen

**Requested features**

- Option to remove note names
- Thicker lines for guitar frets
- Sight reading component
- Mezzo soprano, baritone clefs
- Ability to choose number of notes per round


### OAOapp

[App page](https://appshunter.io/ios/app/oaoapp/id6468321292)

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

**In-app purchases:** none


## Frequently asked questions

### Is Solfa free?

Solfa is free to download, with no in-app purchases.

### Is OAOapp free?

OAOapp is free to download, with no in-app purchases.

### Do Solfa or OAOapp have ads?

Solfa shows ads; OAOapp does not.

### Which is updated more often, Solfa or OAOapp?

Solfa ships an update every 3 weeks, and OAOapp every 30 months. Most recently, Solfa was updated on October 23, 2026 and OAOapp on October 9, 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.*