Timer is a free iPhone app developed by Kazuya Kobayashi in the Utilities & Tools category. This app allows users to track and measure their time spent on various activities such as studying Japanese, developing mobile apps, and exercising. With Timer, users can easily accumulate their time and feel a sense of accomplishment.

The main function of Timer is its timer feature. Users can select different projects and start the timer to track their work. Whether it's studying, working, or exercising, users can focus on their tasks and easily measure their time. Even if the app is closed, the timer continues to run in the background, ensuring accurate time tracking.

In addition to the timer function, Timer also offers a review feature. Users can review their work and answer questions like "How long did I study Japanese this month?" or "How does my performance compare to last week?". Users have the flexibility to create and customize their own projects, allowing for personalized tracking and analysis.

Timer - Count up your work is a useful tool for anyone looking to manage and track their time effectively. With its simple and intuitive interface, users can easily monitor their progress and stay motivated to achieve their goals.