# SWAM Viola vs Chorus Lesson

The clearest difference is review sentiment: SWAM Viola at 100% against Chorus Lesson's 0%. SWAM Viola also leads on in-app purchases (none vs 10) and device support (3 vs 1). Chorus Lesson's advantage is price ($2.99 vs $29.99) and update cadence (every 2 weeks vs every 5 weeks). On ads there is nothing between them.

SWAM Viola costs $29.99 and Chorus Lesson $2.99 up front. Chorus Lesson sells 10 one-off in-app purchases. SWAM Viola asks for nothing beyond the download.

SWAM Viola ships an update every 5 weeks, Chorus Lesson every 2 weeks. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | SWAM Viola | Chorus Lesson |
| --- | --- | --- |
| Price | $29.99 | **$2.99** |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/swam-viola/id1458130582/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 103 MB | 228 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Audio Modeling](https://appshunter.io/developer/1326331126) | [NOKKEUSI Inc.](https://appshunter.io/developer/482532151) |

## What reviewers say

### SWAM Viola

[App page](https://appshunter.io/ios/app/swam-viola/id1458130582)

This virtual instrument uses physical modeling to generate realistic string performances in real-time, responding dynamically to your playing style. It offers advanced spatial control with a built-in room simulator and can be used standalone or as an AUv3 plugin. Designed for expressive control, it's suitable for various musical styles and accessible to visually impaired users.

**Highlights:** Physical modeling sound generation, Real-time dynamic response, Built-in Room Simulator (Ambiente), Standalone and AUv3 plugin support, Intuitive interface for all users, MPE and MIDI controller support, Customizable timbre, vibrato, and dynamics

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is SWAM Viola free?

SWAM Viola costs $29.99, with no in-app purchases.

### Is Chorus Lesson free?

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

### Do SWAM Viola or Chorus Lesson have ads?

Neither SWAM Viola nor Chorus Lesson shows ads.

### Which is updated more often, SWAM Viola or Chorus Lesson?

SWAM Viola ships an update every 5 weeks, and Chorus Lesson every 2 weeks. Most recently, SWAM Viola was updated on October 25, 2026 and Chorus Lesson 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.*