Streaky is an iPhone app developed by Joakim Johansson, falling under the Business & Productivity category. It serves as a user-friendly habit tracker designed to help individuals build and maintain healthy habits effectively. With Streaky, users can create personalized habits, track their progress daily, set reminders, and view their achievements over time in a visually appealing manner.

The app allows users to choose the frequency of habit completion per week and visualizes progress through gradient color changes, motivating users to stay consistent. Streaky offers a compact monthly habit tracker, statistics like a yearly heatmap, and the option to purchase premium features like colors and archiving habits through an auto-renewable subscription model.