ASO Lab
Google Play app · Music
Harmonize: Ear Trainer & Pitch
by Toshihiko Arai
Harmonize: Ear Trainer & Pitch is a music app by Toshihiko Arai on Google Play with 50,000+ installs and an average rating of 4.2 from 568 ratings. On September 29, 2026 it ranked #98 in the Top Free Music chart in Japan.
Ear training games: intervals, chords, rhythm, play by ear. 14 games, free.
Full analysis: keywords, competitors, adsGoogle Play ↗
Key facts
- Developer
- Toshihiko Arai
- Category
- Music
- Installs
- 50,000+
- Rating
- ★ 4.2 / 5
- Ratings
- 568
- First released
- Jan 6, 2017
- Google Play install count
- 61,852
- Installs, last 30 days
- collecting daily data
- Tracked by ASO Lab since
- September 29, 2026
- Package
com.apppppp.harmonize
Top Free ranks by country
| Country | Chart | Rank |
|---|---|---|
| Japan | Top Free · Music | #98 |
Rating and installs history
| Date | Rating | Ratings | Installs | Version |
|---|---|---|---|---|
| September 29, 2026 | 4.20 | 568 | 50,000+ | 26.9.25 |
Alternatives to Harmonize: Ear Trainer & Pitch
About this data
Figures come from the public Google Play listing and the Top Free charts that ASO Lab saves every day. The install count is Google Play’s own number for the app, saved daily; installs over the last 30 days are the difference between two of those days. For keyword positions, competitors and ad campaigns, open the full analysis.