John Doan
Known for
Learn English: Pronunciation
2apps2.5(2)ProductivityEducation
Snapshot
Rivals analysis in progress
Portfolio
Free 22
apps
Education1
Productivity1
Last updated
Learn English: Pronunciation
v2.5.0
1mo ago
Publisher DNA
What defines John Doan?
AI intelligence is not yet available for John Doan. The portfolio data below is up to date.
Portfolio
What does John Doan ship?
Apps
2 apps analysed
- Local-only storage architecture provides a defensible privacy barrier against cloud-based competitors
Minimal pair training provides a pedagogical barrier
- Offline audio engine removes connectivity dependencies
Single-market publisher, every app ships only to United States.
Based on 2 of 2 apps with localized market data · last scanned .
Americas (1)
- United States2 / 2
Core markets (2/2 apps)
United States
Frequently asked questions
How many apps does John Doan publish?
John Doan has 2 apps tracked by Marlvel, primarily in the Education category.
What kind of apps does John Doan make?
John Doan's portfolio is concentrated in Education and Productivity, with an average rating of 2.5/5 across rated apps.
What is John Doan's top app?
By review volume across the portfolio, Learn English: Pronunciation is John Doan's best-known app tracked by Marlvel.
In how many countries are John Doan's apps available?
Marlvel has tracked John Doan's apps across 1 country.