Pro Osteo vs Earz
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pro Osteo
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Panta Rhei is een bureau dat zich bezig houdt met de organisatie van postgraduate cursussen voor de osteopathie en biedt een gevarieerd nascholingsprogramma voor de osteopaat. Speciaal hiervoor worden gastdocenten uit binnen- en buitenland geïnviteerd om zo een breed programma aan te kunnen bieden.
Earz
This app offers comprehensive music lessons for all skill levels, covering note reading, music theory, and ear training for various musical elements. It's designed for both individual learners and educators, with customizable content for students.
- Note reading instruction
- Music theory lessons
- Ear training for chords, harmony, scales, and intervals
- Instrument and style recognition
- Rhythm and time signature practice
- Customizable content for educators
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Earz is the best and most complete music lesson app for home and school. For beginners to experts, from classical to pop and jazz! With Earz you learn what you want: • Reading notes • Music Theory Recognising by ear: • Chords • Harmony • Scales • Intervals • Instruments • Styles • Melody • Rhythm • Time signatures • Effects • Tones: high/low, long/short, loud/soft Earz is the ideal tool for schools, bands, private teachers etc. because the content can be fully adapted and adjusted to the students by the teachers! Please visit the Earz website to subscribe.
Screenshots
Verdict
The clearest difference is update cadence: Earz at every 3 weeks against Pro Osteo's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Pro Osteo ships an update every 7 months, Earz every 3 weeks. The most recent releases landed on September 15, 2026 and September 24, 2026 respectively.
| Parameter | Pro Osteo | Earz |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 7 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 15.0 — better |
| Further details — not scored | ||
| Size | 66 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Panta Rhei Opleidingen B.V. | Ger Wolthuis |
In-app purchases
Pro Osteo
No in-app purchases
Earz
No in-app purchases
