Apps by Dmitry Zaika
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Chinese - Mandarin Language
Reference
4.50
(2,788 worldwide)
Free
IAP
Released Jun 2018
· updated Feb 2026
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Speed Reading IQ: epub, djvu
Book
4.31
(2,068 worldwide)
Free
Released May 2014
· updated Sep 2024
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Solfa Pro: learn musical notes
Music
4.26
(382 worldwide)
$3.99
Released Dec 2018
· updated Jan 2022
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Intervals: ear training tutor
Music
4.28
(110 worldwide)
Free
Released Nov 2021
· updated Jul 2023
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Hearing PRO:ear training.Notes
Music
3.53
(83 worldwide)
$1.99
Released Dec 2019
· updated Mar 2025
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German Pro: dictionary & exams
Education
4.58
(83 worldwide)
$14.99
Released Aug 2023
· updated Mar 2026
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Chinese Pro - HSK vocabulary
Education
4.39
(80 worldwide)
$9.99
Released May 2023
· updated Mar 2026
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French Pro: dictionary & exams
Education
4.22
(77 worldwide)
$14.99
Released Sep 2023
· updated Mar 2026
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Kana IQ: Hiragana & Katakana
Education
4.80
(61 worldwide)
Free
Released Oct 2025
· updated Nov 2025
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Korean Pro: dictionary & exams
Education
4.07
(29 worldwide)
$4.99
Released Nov 2023
· updated Mar 2026
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Intervals Pro: ear training
Music
3.67
(24 worldwide)
$1.99
Released Nov 2021
· updated Dec 2021
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Focus Lt hyperfocal DOF
Photo & Video
2.33
(18 worldwide)
Free
Released Sep 2016
· updated Jan 2018
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Japanese: kanji dictionary
Reference
4.71
(14 worldwide)
Free
Released Mar 2026
· updated Mar 2026
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Conversation IQ：Language Coach
Education
1.73
(11 worldwide)
Free
SUB
Released Jul 2025
· updated Jul 2025
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Speed Reading IQ+: epub, pdf
Education
4.50
(2 worldwide)
$4.99
Released Apr 2016
· updated Jul 2023
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Focus / DOF hyperfocal calculator depth of field
Photo & Video
4.00
(1)
$1.99
Released Sep 2016
· updated Sep 2016
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Swipe Chess - Cards & AI tutor
Games
5.00
(1)
Free
Released Aug 2025
· updated Aug 2025
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English IQ: dictionary words.
Education
5.00
(1)
Free
Released Sep 2025
· updated Mar 2026
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Design AI - image generator
Graphics & Design
1.00
(1)
$9.99
Released May 2023
· updated Jul 2023
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Design AI - image generator
Graphics & Design
1.00
(1)
$9.99
Released May 2023
· updated Jul 2023
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Mortgage
Finance
$1.99
Released May 2016
· updated May 2016
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Solfa: learn musical notes
Music
$1.99
Released Feb 2019
· updated Mar 2019
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Options
Finance
$1.99
Released Jun 2016
· updated Jun 2016
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Deposit
Finance
$1.99
Released May 2016
· updated May 2016
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Cash Loan
Finance
$1.99
Released May 2016
· updated May 2016
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Speed Reading IQ: epub, djvu
Education
$2.99
Released Oct 2019
· updated Oct 2019
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Hearing: ear training. Piano.
Music
$1.99
Released Dec 2019
· updated Dec 2019