Mark Szymczyk was founded in 2017. The first app was launched in January 6, 2017 and they have 3 iOS apps in August 2025
Mark Szymczyk is a publisher of Bartleby app and other apps in Games, Lifestyle, Productivity categories.
Name | Category | Downloads (30d) | Monthly Revenue | Reviews | Ratings | Recent release | |
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![]() Bartleby
Publish books on your device
|
Productivity |
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0
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1 year ago | |
![]() AM Pages
Write morning pages
|
Lifestyle |
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0
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3 years ago | |
![]() LetterMiner
|
Games |
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0
|
|
5 years ago |