Kostyantin Antonyuk
Offer Kostyantin work on your next project.
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Offer work
Ukraine
27 days 20 hours back
available for hire
1 Safe completed
10 months 24 days back
1 client
age 35 years
on the service 7 years
Rating
Successful projects
Average rating
Skills and abilities
Mobile development
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Apps for iOS (iPhone and iPad)
from 16 USD for hour
Portfolio
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Tags: Save & Repost Videos
Apps for iOS (iPhone and iPad)
SSSTik - a great tool for downloading with Tick Stream without watermark
Just find the video you want to download, copy the link and open the sssTik app. The app will do everything for you.
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English Lozanov
Apps for iOS (iPhone and iPad)
Application for the study of English words using the Lozanov methodology. There are also mobile payments.
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Fonts Pro: Cool Fonts Keyboard
Apps for iOS (iPhone and iPad)
An application in which you can buy non-standard fonts and use them in other applications. KeyboardExtension was developed and InAppPurchase was integrated.
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Beatbox Chatter chat for Beatbox fans
Apps for iOS (iPhone and iPad)
He was engaged in the development of the interface on SwiftUI and partly participated in writing the functionality.
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VARUS app for customers
Apps for iOS (iPhone and iPad)
Written this project from zero before release on AppStore
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by Agroyard
Apps for iOS (iPhone and iPad)
The app was installed on the iPad, and it took up the removal of bugs.
Reviews and compliments on completed projects 1
29 July 2025
997 USD
Development of iOS app, Health & Fitness - Part 1
Quality
Professionalism
Cost
Contactability
Deadlines
Kostyanin — a wonderful specialist who deeply understands the essence of the project, offers the best solutions, and is always in touch. I especially appreciate his proactive stance and openness in communication. I recommend him as a reliable and responsible performer, and I plan to continue collaborating.
Ihor Vashchenko
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