Chang Keun Jung
Known for
Simple PDF - PDF Reader
Simple PDF - PDF Reader
Snapshot
Rivals analysis in progress
Portfolio
Free 33
apps
Entertainment1
Music1
Utilities1
Last updated
Simple PDF - PDF Reader
v1.9
3mo ago
Publisher DNA
What defines Chang Keun Jung?
AI intelligence is not yet available for Chang Keun Jung. The portfolio data below is up to date.
Portfolio
What does Chang Keun Jung ship?
Apps
3 apps analysed
Ad-free model creates high-trust user entry
- Offline-first architecture removes connectivity dependency
- Multi-language font support enables international market penetration
Integrated document camera increases utility for paper-heavy workflows
- Zero-gate monetization model removes entry friction
Distributed across 11 markets, strongest in Europe.
Based on 3 of 3 apps with localized market data · last scanned .
Americas (3)
- United States3 / 3
- Brazil1 / 3
- Mexico1 / 3
Europe (6)
- France2 / 3
- Portugal2 / 3
- Spain2 / 3
- Germany1 / 3
- Italy1 / 3
›+1 more europe market
- Netherlands1 / 3
Asia-Pacific (2)
- Japan1 / 3
- South Korea1 / 3
Core markets (3/3 apps)
United States
Frequently asked questions
How many apps does Chang Keun Jung publish?
Chang Keun Jung has 3 apps tracked by Marlvel, primarily in the Entertainment category.
What kind of apps does Chang Keun Jung make?
Chang Keun Jung's portfolio is concentrated in Entertainment and Music, with an average rating of 1.3/5 across rated apps.
What is Chang Keun Jung's top app?
By review volume across the portfolio, Simple PDF - PDF Reader is Chang Keun Jung's best-known app tracked by Marlvel.
In how many countries are Chang Keun Jung's apps available?
Marlvel has tracked Chang Keun Jung's apps across 11 countries.
