John Nastos was founded in 2011. The first app was launched in May 16, 2011 and they have 4 iOS apps in August 2025
John Nastos is a publisher of Harmonomics Ear Training app and other apps in Education, Music categories.
Name | Category | Downloads (30d) | Monthly Revenue | Reviews | Ratings | Recent release | |
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![]() Harmonomics Ear Training
Training for beginners to pros
|
Music |
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18
|
|
1 year ago | |
![]() Metronomics Metronome
A metronome for real musicians
|
Music |
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|
View
|
79
|
|
1 year ago | |
![]() Find My Kids: Encontrar Amigos
Chat de vídeo para adultos
|
Education |
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|
View
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0
|
|
1 year ago | |
![]() Yaprak Falı
A powerful tuner for musicians
|
Music |
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|
View
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0
|
|
2 years ago |