# Clear 4 vs Music Sight Learning Skills

The clearest difference is rating: Music Sight Learning Skills at 5.0 against Clear 4's 3.7. Music Sight Learning Skills also leads on ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

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

Music Sight Learning Skills holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

Clear 4 ships an update fortnightly, Music Sight Learning Skills every 2 weeks. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Clear 4 | Music Sight Learning Skills |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/clear-4/id1546584385/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/music-sight-learning-skills/id1607369549/reviews)** |
| Number of ratings | 3 | 3 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 74 MB | 53 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [文锋 郑](https://appshunter.io/developer/1590995911) | [Sharon Shaheed](https://appshunter.io/developer/1192719688) |

## What reviewers say

### Clear 4

[App page](https://appshunter.io/ios/app/clear-4/id1546584385)

A free puzzle game where players strategically click squares to trigger chain reactions and clear the board. It features simple mechanics with elements like rotating baffles and black holes to add complexity.

**Highlights:** Chain reaction gameplay, Strategic square clicking, Rotating baffles, Black holes, Limited steps to clear levels

**Features:** macOS Compatibility

**In-app purchases:** none


### Music Sight Learning Skills

[App page](https://appshunter.io/ios/app/music-sight-learning-skills/id1607369549)

Learn to read music by identifying piano keys and notes on the staff. This game offers an authentic piano keyboard with real sounds and progressively challenging levels. Choose to read music using Solfège or the music alphabet.

**Highlights:** Play notes across the staff, Identify piano keys, Authentic piano keyboard with real sounds, Progressively complex levels, Solfège or music alphabet reading options, PPMS Note Reading Ready

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

**In-app purchases:** none


## Frequently asked questions

### Is Clear 4 free?

Clear 4 is free to download, with no in-app purchases.

### Is Music Sight Learning Skills free?

Music Sight Learning Skills is free to download, with no in-app purchases.

### Which has better reviews, Clear 4 or Music Sight Learning Skills?

Music Sight Learning Skills is rated higher. Clear 4 averages 3.7 out of 5 from 3 ratings, while Music Sight Learning Skills averages 5.0 from 3 ratings.

### Do Clear 4 or Music Sight Learning Skills have ads?

Clear 4 shows ads; Music Sight Learning Skills does not.

### Which is updated more often, Clear 4 or Music Sight Learning Skills?

Clear 4 ships an update fortnightly, and Music Sight Learning Skills every 2 weeks. Most recently, Clear 4 was updated on October 12, 2026 and Music Sight Learning Skills on October 8, 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.*