
TimeToCall is a video call scheduling app that helps people in different time zones connect.
It addresses common challenges in cross-timezone calls, such as timezone math, back-and-forth planning, and conflicting schedules.
With features like a friend world clock, smart scheduling, and built-in video calling, TimeToCall helps users check availability, find a time that works, and stay connected.
UIUX Design / Personal Project / May 2025, 3 months
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Background
The idea for this project came from my personal experience of scheduling video calls with friends living in different countries. Because of the time zone differences, I found it really difficult to find an overlapping time to call.
Problem
After user research, I found three main problems when scheduling video calls: timezone confusion, endless back-and-forth discussions, and the inconvenience of switching between multiple apps.

Solution
To solve these problems, I designed an app that helps people in different time zones connect more easily. It includes three key features: friend world clock, smart scheduling, and built-in video call function.

01
Friend World Clock

02
Smart Scheduling




03
Built-in Video Call


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