calc.sadana.app is a Fintech business based in South Korea, founded by buildlog. It joined the Founderhood directory in October 2026.
About
Free 2026 KR tax & money calculators. Free Korean calculators for capital gains tax, property tax, DSR, take-home pay, acquisition tax, savings interest, freelance 3.3%, parental leave, car tax and more. 2026 rules. No signup.
Other founders in South Korea
Sadana Profile
Turns one selfie into natural profile photos in six scenes (cafe, travel, night city, studio) for dating apps, KakaoTalk and Instagram. Paid packs: Starter $9, Pro $19. Failed generations are refunded; photos are not stored.
South Korea
Sadana Product Photo
Turns one phone photo of a product into six sales-ready listing images (white background, marble, lifestyle) for Amazon, Coupang and Smart Store. Keeps shape and logo. Paid packs: Starter $9, Pro $19. Failed generations are refunded.
South Korea
Sadana Pet Portrait
Creates eight pet portraits from one uploaded photo across six styles: royal, watercolor, anime, oil painting, 3D and holiday. Uploaded photos are not stored. Paid packs: Starter $9, Pro $19. Failed generations and duplicate payments are refunded. Site is Korean with an English toggle.
South Korea
Sadana Headshot
Turns one selfie into eight professional headshot styles in about two minutes, for resumes, LinkedIn and work badges. Uploaded photos are not stored; results are not valid for passports or government ID. Paid packs: Starter $9 (8 images), Pro $19 (24 images). Failed generations are refunded. Site is Korean with an English toggle.
South Korea
kkum
Clean, ad-free Korean dream dictionary (꿈해몽). 62 dreams (snake, teeth falling out, poop, taemong...) explained as a traditional Korean reading next to a common modern view. Initial-consonant search, and a private dream journal stored only in your browser. For entertainment and culture only, not prediction. English: https://kkum.sadana.app/en/
South Korea
사주 사다나
Free Korean saju (사주) four pillars from birth date. Get four pillars, day master, five-element balance, and love/career leanings from solar-term calendar. No signup. Entertainment only, not prediction.
South Korea
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