KONapp vs LessonTree
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
KONapp
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.
- 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
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Your music lessons have never been so mobile before. With the KONapp of the Hamburger Konservatorium, you can get your lessons directly on your mobile phone. Chat with your lecturers and classmates, exchange your music and receive live feedback, follow exciting workshops abroad or discover your city of Hamburg via cloud technology. The KONapp makes music and lessons always within reach. โข The KON app makes music possible regardless of time and location. โข Music students from the Hamburger Konservatorium and from all partner schools use the app. โข The app also provides a quick feedback channel to the teachers for music students. โข The app works in addition to the weekly lessons. It is used for joint rehearsals and productions when the musicians cannot be in the same place. โข Every creative idea, every learning progress, can be recorded with a smartphone or tablet and sent on to teachers or ensemble members. โข All contents of the Hamburg eCulture cloud are controlled via the app. โข Sound samples, sheet music, concert information or teaching material can be obtained via the app. #CHANNELS The #channel function offers the possibility of exchange in groups or teams and thus to coordinate communication. An E-Culture Cloud #Channel enables direct access to Hamburg's cultural treasures, museums, the opera, the library, Naxos and other music-relevant links. INDIVIDUAL AND GROUP CONVERSATIONS Students and lecturers, pupils and teachers, parents and schools, bands, ensembles and friends exchange ideas with one another in individual or group chats. The content of your conversations and files you send always remain in a secure environment. Quickly and easily via the KONapp.
LessonTree
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Grow trust with your students, like a tree. LessonTree is a lesson journal app for private tutors. Record each lesson in 30 seconds, and use student-organized history to prepare for your next session instantly. Still managing lesson notes in Apple Notes? Once you have more than a handful of students, things get messy fast. LessonTree keeps every lesson organized by student in chronological order, so you always know what happened last time. โ Built for tutors like you - Piano, guitar, violin, and other music teachers - ESL, language, and conversation tutors - Calligraphy, art, and cooking instructors - Programming tutors - Academic tutors and private instructors - Coaches and counselors - Anyone who teaches one-on-one โ Key Features โ Record a lesson in 30 seconds Enter what you covered today and the homework or plan for next time. Attach up to 10 photos. Rate the student's condition on a 5-point scale. Every field is optional, so even a single photo counts as a record. โ Log a lesson with your voice (Siri) โ New in 2.0 Just say "Log a lesson for Emma in LessonTree." Siri asks what happened, and the record is saved without opening the app. You can also check the last and next lesson, reschedule the next one, and add a student by voice. Everything is available from the Shortcuts app, the Action button and the Lock Screen. โ Made for iPhone Duo โ New in 2.0 Open it and past records sit beside today's record, so you can look back as you write. Held upright, they stack top and bottom. Your draft stays put as you open or close it. โ Student-organized lesson history Lessons are automatically sorted by student. Tap a student to see their full lesson history, newest first. Review what you did last time in 10 seconds before the next lesson. โ Search across everything โ New in 2.0 Search student names together with lesson content, next plans and your custom fields. "When did we work on that piece?" takes one search. On iOS 18 and later your students also appear in Spotlight (you can turn this off in Settings). โ Growth reports for parents (PDF) โ New in 1.1 Your daily lesson log becomes a beautiful report you can hand to parents. - Period report: attendance calendar, progress trends, milestones, and a personal message โ auto-laid-out into a polished PDF. Perfect for recitals, progress reviews, and parent meetings - Lesson card: one lesson's plan, notes, and homework on a single page. Share instantly via Messages or AirDrop - AI draft suggestions: on Apple Intelligence devices, LessonTree drafts your overall comments and next goals from your records โ processed entirely on device โ Next lesson reminders Set the next lesson date and get a reminder notification before it starts. Tap the notification to jump straight to that student's history. โ Custom fields Add fields that match your teaching style: song title, textbook page, tempo (BPM), grammar topic, and more. Supports text, number, date, and selection field types. โ iCloud sync Record on your iPhone, review on your iPad. Data syncs automatically across your devices via iCloud. Your data is stored only on your devices and iCloud. It is never sent to third-party servers. โ Data export Export your data in CSV or JSON format anytime. Your data is always yours. โ Student archive Archive students who are no longer active. Their lesson history is preserved while your active list stays clean. โ Pricing Core features are free. - Free plan: Up to 5 students, up to 2 custom fields per category - Pro plan (monthly or yearly): Unlimited students and custom fields, plus growth reports (PDF) โ Requirements - Universal app for iPhone, iPhone Duo and iPad - iOS 17.2 or later - iCloud sync supported โ Privacy LessonTree respects your data. All data is stored on your device and iCloud only. No third-party servers, no ads, no tracking. Contact: info@remosia.biz Privacy Policy: https://lessontree.remosia.biz/en/privacy.html Terms of Use: https://lessontree.remosia.biz/en/terms.html
Screenshots
Verdict
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.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
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.
| Parameter | KONapp | LessonTree |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | โ |
| Update frequency | Fortnightly โ better | Every 2 months |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Monetization | Free | โ |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 โ better | 17.2 |
| Further details โ not scored | ||
| Size | 144 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Stashcat GmbH | ๆ ชๅผไผ็คพใชใขใทใข |
In-app purchases
KONapp
No in-app purchases
LessonTree
- Pro (Monthly)$1.991 Month
- Pro (Yearly)$24.991 Year
Questions
Is KONapp free?
Is LessonTree free?
Do KONapp or LessonTree have ads?
Which is updated more often, KONapp or LessonTree?
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