# SightSingy Notes vs Clef Trainer

The clearest difference is in-app purchases: SightSingy Notes at none against Clef Trainer's 1. SightSingy Notes also leads on iOS requirement (12.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Clef Trainer sells 1 one-off in-app purchase. SightSingy Notes asks for nothing beyond the download.

SightSingy Notes ships an update weekly, Clef Trainer every 4 days. The most recent releases landed on August 5, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | SightSingy Notes | Clef Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sightsingy-notes/id6736849112/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 39 MB | 29 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mehdi Ghasemi](https://appshunter.io/developer/1773480367) | [Tuan Anh Nguyen](https://appshunter.io/developer/1702873367) |

## What reviewers say

### SightSingy Notes

[App page](https://appshunter.io/ios/app/sightsingy-notes/id6736849112)

Enhance your music reading skills with this app, offering practice in all seven musical clefs. Customize sessions, switch between note naming systems, and utilize timed challenges for focused improvement.

**Highlights:** Practice in all 7 musical clefs, Customizable practice session length, Switch between letter names and solfège, Timed practice mode with countdown, Step-by-step strategy for building confidence, Clean and responsive interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Clef Trainer

[App page](https://appshunter.io/ios/app/clef-trainer/id6745273935)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Clef Trainer Plus | $0.99 | one-time |


## Frequently asked questions

### Is SightSingy Notes free?

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

### Is Clef Trainer free?

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

### Do SightSingy Notes or Clef Trainer have ads?

Both SightSingy Notes and Clef Trainer show ads.

### Which is updated more often, SightSingy Notes or Clef Trainer?

SightSingy Notes ships an update weekly, and Clef Trainer every 4 days. Most recently, SightSingy Notes was updated on August 5, 2026 and Clef Trainer on September 13, 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.*