English
Our work covers ongoing product development, technical support, and continuous improvements to the user experience.
LT Studio s.r.o. develops and operates the Granny Square Designer app—a crochet planning application that helps users choose square designs and colors, calculate yarn, and export a personal PDF guide.
LT Studio s.r.o.
Uralská 1405/9, Košice – mestská časť Nad jazerom, 040 12, Slovak Republic
Company ID (IČO): 56 839 910
Tax ID (DIČ): 2122467270
VAT ID (IČ DPH): Not VAT registered
Commercial Register: Municipal Court Košice, Section: Sro, Insert No.: 61864/V
Register extract (EN): https://www.orsr.sk/vypis.asp?ID=716891&P=1&SID=4&lan=en
info@ltstudio.sk
Uralská 1405/9, Košice – mestská časť Nad jazerom, 040 12, Slovak Republic
support@grannysquaredesigner.com
Within 2 business days during business hours (Mon–Fri, 09:00–17:00 CET/CEST, Europe/Bratislava).
For urgent technical incidents affecting access to the app, we aim to acknowledge your request within 24 hours.
Request deletion of your account data by emailing support@grannysquaredesigner.com.
© 2025 LT Studio s.r.o.
Company ID (IČO): 56 839 910
Tax ID (DIČ): 2122467270
Uralská 1405/9, 040 12 Košice, Slovak Republic