プレゼン時計

"Presentation Clock" is a timer app specialized for time management for presentations and academic conferences.
It's ad-free and works completely offline.

[Key Features]
- Supports countdown/countup
- Finely adjust the number of bells and ring timing, such as 1 bell, 2 bells, or 3 bells
- Customize the design and message display for each time period (time slot)
- Customize the display by choosing from a wide variety of fonts
- Choose from 4 different bell sounds
- Save up to 3 presets for frequently used settings
- Optimized display for portrait and landscape orientations (compatible with iPhone and iPad)
- Simple, easy-to-read UI

[How to Use]
1. Create a timer using the gear icon in the upper right corner
2. Start by clicking the "Start" button