# KONapp vs LessonTree

The clearest difference is in-app purchases: KONapp at none against LessonTree's 2. KONapp also leads on update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. LessonTree sells 2 in-app purchases, starting at $1.99 per month. KONapp asks for nothing beyond the download.

KONapp ships an update fortnightly, LessonTree every 2 months. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | KONapp | LessonTree |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | — |
| Size | 144 MB | 12 MB |
| Requires iOS | **17.0** | 17.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stashcat GmbH](https://appshunter.io/developer/1010707525) | [株式会社リモシア](https://appshunter.io/developer/1639657831) |

## What reviewers say

### KONapp

[App page](https://appshunter.io/ios/app/konapp/id1468071142)

This app brings music lessons to your mobile device, enabling communication with instructors and peers. Share music, receive feedback, and access educational materials. It facilitates collaboration and learning regardless of location.

**Highlights:** Mobile music lessons, Chat with lecturers and classmates, Music sharing and feedback, Access to e-Culture Cloud content, Group and individual conversations, Record and send creative work

**Features:** Vision Pro support

**In-app purchases:** none


### LessonTree

[App page](https://appshunter.io/ios/app/lessontree-lesson-journal/id6760742061)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Monthly) | $1.99 | per month |
| Pro (Yearly) | $24.99 | per year |


## Frequently asked questions

### Is KONapp free?

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

### Is LessonTree free?

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

### Do KONapp or LessonTree have ads?

Neither KONapp nor LessonTree shows ads.

### Which is updated more often, KONapp or LessonTree?

KONapp ships an update fortnightly, and LessonTree every 2 months. Most recently, KONapp was updated on October 29, 2026 and LessonTree on October 31, 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.*