# Sight Keys vs ChordCue

The clearest difference is in-app purchases: ChordCue at none against Sight Keys's 1. ChordCue also leads on update cadence (every 2 days vs weekly) and iOS requirement (13.0 vs 15.1). Sight Keys's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Sight Keys sells 1 one-off in-app purchase. ChordCue asks for nothing beyond the download.

Sight Keys ships an update weekly, ChordCue every 2 days. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Sight Keys | ChordCue |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sight-keys-sight-reading/id6761303621/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 94 MB | 24 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Karol Lange](https://appshunter.io/developer/1888775571) | [S&T Soft](https://appshunter.io/developer/1023271634) |

## What reviewers say

### Sight Keys

[App page](https://appshunter.io/ios/app/sight-keys-sight-reading/id6761303621)

This app helps piano players improve their music reading skills through interactive exercises, structured lessons, and playable songs. It offers customizable practice sessions to build note recognition, rhythm, and fluency for steady daily improvement.

**Highlights:** Customizable practice sessions, Step-by-step lessons, Playable songs and exercises, Note recognition and rhythm training, Progress tracking, Chord and key signature practice

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sight Keys Premium | $4.49 | one-time |


### ChordCue

[App page](https://appshunter.io/ios/app/chordcue-learn-chords/id6779946332)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sight Keys free?

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

### Is ChordCue free?

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

### Do Sight Keys or ChordCue have ads?

ChordCue shows ads; Sight Keys does not.

### Which is updated more often, Sight Keys or ChordCue?

Sight Keys ships an update weekly, and ChordCue every 2 days. Most recently, Sight Keys was updated on October 24, 2026 and ChordCue 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.*