# Chorus Lesson vs Piano Frontier

The clearest difference is price: Piano Frontier at Free against Chorus Lesson's $2.99. Piano Frontier also leads on in-app purchases (none vs 10) and device support (3 vs 1). On update cadence and ads there is nothing between them.

Piano Frontier is free to download; Chorus Lesson costs $2.99 up front. Chorus Lesson sells 10 one-off in-app purchases. Piano Frontier asks for nothing beyond the download.

Chorus Lesson ships an update every 2 weeks, Piano Frontier every 10 days. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Chorus Lesson | Piano Frontier |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 228 MB | 118 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NOKKEUSI Inc.](https://appshunter.io/developer/482532151) | [sung keun lee](https://appshunter.io/developer/1434635468) |

## What reviewers say

### Chorus Lesson

[App page](https://appshunter.io/ios/app/chorus-lesson/id1515226301)

This app functions as a MIDI player designed for personal choral practice. It allows users to isolate individual parts, adjust volume and panning, and change playback speed for tailored practice sessions. Standard MIDI files can be played, with additional song data available for purchase.

**Highlights:** MIDI player for choral practice, Mute, solo, volume, panning per part, Adjustable playback speed, Play standard MIDI files, Purchase song data in-app

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30-days Trial for free | Free | one-time |
| BWV227 All through | Free | one-time |
| BWV226-1 Bars 1-145 | Free | one-time |
| Trial for 14 days | Free | one-time |
| BWV226-2 Bars146-244 | $0.99 | one-time |
| BWV226-3 Bars245-268 | $0.99 | one-time |
| BWV226 Complete set | $0.99 | one-time |
| BWV225 Complete set | $0.99 | one-time |
| BWV228; Fürchte dich nicht,... | $0.99 | one-time |
| BWV229; Komm, Jesu, komm | $0.99 | one-time |


### Piano Frontier

[App page](https://appshunter.io/ios/app/piano-frontier/id6477987599)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chorus Lesson free?

Chorus Lesson costs $2.99, and also offers in-app purchases.

### Is Piano Frontier free?

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

### Do Chorus Lesson or Piano Frontier have ads?

Neither Chorus Lesson nor Piano Frontier shows ads.

### Which is updated more often, Chorus Lesson or Piano Frontier?

Chorus Lesson ships an update every 2 weeks, and Piano Frontier every 10 days. Most recently, Chorus Lesson was updated on October 29, 2026 and Piano Frontier on October 27, 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.*