SungJun Hong was founded in 2023. The first app was launched in February 16, 2023 and they have 2 iOS apps in August 2025
SungJun Hong is a publisher of SimpleNote - To Do List app and other apps in Productivity categories.
Name | Category | Downloads (30d) | Monthly Revenue | Reviews | Ratings | Recent release | |
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![]() SimpleNote - To Do List
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Productivity |
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0
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1 year ago | |
![]() 뚜두 - To Do
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Productivity |
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0
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2 years ago |