Apps by Roman Sevastyanov
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Color Wheel
Graphics & Design
4.76
(1,696 worldwide)
$3.99
Released May 2019
· updated Aug 2026
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Chord
Education
4.60
(136 worldwide)
$2.99
Released Apr 2020
· updated Aug 2026
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Multi Timer: Lists & Sequences
Productivity
4.31
(26 worldwide)
$0.29
Released Feb 2019
· updated Jun 2026
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Color Wheel
Graphics & Design
$3.99
Released Feb 2019
· updated Jul 2026