# Harmonium Lessons vs Konnakol

The clearest difference is price: Harmonium Lessons at Free against Konnakol's $6.99. Konnakol's advantage is in-app purchases (none vs 3). On update cadence, ads, device support and iOS requirement there is nothing between them.

Harmonium Lessons is free to download; Konnakol costs $6.99 up front. Harmonium Lessons sells 3 in-app purchases, starting at $9.99 per month. Konnakol asks for nothing beyond the download.

Harmonium Lessons ships an update every 2 weeks, Konnakol fortnightly. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Harmonium Lessons | Konnakol |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 10 MB | 13 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mitaanshu Agarwal](https://appshunter.io/developer/1896724075) | [Martin Adler](https://appshunter.io/developer/1896354791) |

## What reviewers say

### Harmonium Lessons

[App page](https://appshunter.io/ios/app/harmonium-lessons-soloist/id6776353071)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Harmonium Monthl | $9.99 | per month |
| Harmonium Yearl | $59.99 | per year |
| Soloist Harmonium Lifetime | $9.99 | one-time |


### Konnakol

[App page](https://appshunter.io/ios/app/konnakol/id6797989232)

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

**In-app purchases:** none


## Frequently asked questions

### Is Harmonium Lessons free?

Harmonium Lessons is free to download, with in-app purchases available.

### Is Konnakol free?

Konnakol costs $6.99, with no in-app purchases.

### Do Harmonium Lessons or Konnakol have ads?

Neither Harmonium Lessons nor Konnakol shows ads.

### Which is updated more often, Harmonium Lessons or Konnakol?

Harmonium Lessons ships an update every 2 weeks, and Konnakol fortnightly. Most recently, Harmonium Lessons was updated on October 21, 2026 and Konnakol on October 25, 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.*