Jeff Holtzkener
Developer Info
Jeff Holtzkener was founded in 2016. The first app was launched in March 4, 2016 and they have 5 iOS apps in January 2025
Jeff Holtzkener is a publisher of MelodyTrainer app and other apps in Education, Music categories.
- Founded in
- March 4, 2016
- Last App Updated
- 3 years ago (May 15, 2021)
- Company Website
- https://crashingbooth.wordpress.com/
- Contacts
- Unlock
Popular Jeff Holtzkener apps in 2025
United States
| Name | Category | Downloads (30d) | Monthly Revenue | Reviews | Ratings | Recent release | |
|---|---|---|---|---|---|---|---|
MelodyTrainer
|
Music |
View
|
View
|
0
|
|
3 years ago | |
Concentric Rhythm
|
Music |
View
|
View
|
0
|
|
3 years ago | |
Generative Tree Fractal Explor
|
Education |
View
|
View
|
0
|
|
7 years ago | |
Classroom Fluency Timer
|
Education |
View
|
View
|
0
|
|
7 years ago | |
Langton's Ant Family Cellular
|
Education |
View
|
View
|
0
|
|
8 years ago |
Similar Developers
No items found
This page includes copyrighted content from third parties, shared solely for commentary and research in accordance with fair use under applicable copyright laws. All trademarks, including product, service, and company names or logos, remain the property of their respective owners. Their use here falls under nominative fair use as outlined by trademark laws and does not suggest any affiliation with or endorsement by the trademark holders.