Hi and Welcome! I'm Haiyan — the developer, designer, and product manager behind this project. It’s a pleasure to meet everyone interested in learning about or supporting us, and I’m incredibly grateful for it!
Allow me to introduce our team: a small but passionate and ambitious group, eager to bring fresh ideas to life.
S.H.Y A&T Office. is an independent design studio based in Shanghai, China, developing web and iPhone software since 2024. We are committed to creating beautiful, useful and fun tools.
If you'd like to get in touch, you can send us an email at the following address: [email protected] ：）
Tooi.App is our registered product site, which aims to establish the most direct connection with our product users and provide better and more convenient services and usage experience.
CalcTooi is the first application in the Tooi series. We are honored that you have chosen S.H.Y.'s product. We will continue to create and update it as always.
Thank you for your support!
2024.10.25