We made small refinements to improve the overall experience. To help you find a meaningful day more naturally, within the gentle flow of time. If you enjoy using Chrono Rainbow, even a star would mean a lot to us. We’ll keep updating Chrono Rainbow to make your rainbow time more free and expressive. Thank you for your continued support.

Events are now even easier and more comfortable to use. We’ve added date filters to help you find events more intuitively. You can now choose from Today, This Week, This Month, or narrow things down with Select Month & Day…, Select Date…, or simply View All. Find the moments that matter most within the flow of time. Chrono Rainbow will continue to gently evolve, helping your days fall into beautiful balance. If you enjoy using Chrono Rainbow, even a star would mean a lot to us. We’ll keep updating Chrono Rainbow to make your rainbow time more free and expressive. Thank you for your continued support.

Happy New Year from Chrono Rainbow! To welcome the Year of the Horse, Chrono Rainbow now supports the 2026 zodiac icon. We’ve also added support for Liquid Glass in iOS 26, so your time now shines with even more depth and beauty. May this year be filled with colors that gently light up your everyday moments. Let Chrono Rainbow continue to add a soft glow to your most precious time. If you like Chrono Rainbow, please give us a star to encourage our development. We will keep updating Chrono Rainbow to make the rainbow time more free. Thank you for your support!

Chrono Rainbow has evolved to make your precious time even more beautifully vibrant! This update enhances both visual beauty and functionality — bringing your daily experience to the next level. - New premium theme colors added We’ve expanded the Chrono Colors Plan with 18 new premium colors inspired by the seasons and traditional Japanese hues. Enjoy vivid and expressive shades like Shu (Vermilion), Karakurenai (Deep Red), Shion (Aster Purple), and Mizu-Asagi (Light Blue-Green) — colors that transform your time into a living work of art. - Smarter, more flexible calendar Switch between yearly, monthly, and weekly views to suit your needs. You can also set your preferred start day of the week — tailor your calendar to match your lifestyle. - Optimized for iPad Now fully supports larger screens with a responsive layout. You can view your summary and calendar side by side, making time management smoother and more intuitive than ever. Make your time more personal, more free. Chrono Rainbow helps turn your everyday into art. If you like Chrono Rainbow, please give us a star to encourage our development. We will keep updating Chrono Rainbow to make the rainbow time more free. Thank you for your support!

Chrono Rainbow has evolved to make your precious time even more beautifully vibrant! In this update, we've introduced a new "Apple History" feature. You can now view Apple's historical events from 1976 onwards displayed in both Japanese traditional calendar and Western calendar, allowing you to reflect on the journey of technology through Japan's traditional time axis. Enjoy Apple's wonderful products and services that have evolved through the ages, alongside Japan's beautiful calendar system. Make your time more personal, more colorful, and more beautiful than ever! If you like Chrono Rainbow, please give us a star to encourage our development. We will keep updating Chrono Rainbow to make the rainbow time more free. Thank you for your support!

Chrono Rainbow has evolved to make your precious time even more beautifully vibrant! In this update, we’ve introduced a new Dark Mode Icon. Now, you can enjoy a different side of Chrono Rainbow in Dark Mode, as each passing moment gracefully brings new hues to elegantly wrap your home screen. Make your time more personal, more colorful, and more beautiful than ever! If you like Chrono Rainbow, please give us a star to encourage our development. We will keep updating Chrono Rainbow to make the rainbow time more free. Thank you for your support!

Chrono Rainbow has evolved to make your precious moments even more beautiful! In this update, we’ve added “Desktop Calendar Mode,” which prevents your screen from turning off automatically. Place your iPhone or iPad on a stand, and it transforms into a vibrant calendar, keeping your special days always in view. Let Chrono Rainbow blend seamlessly into your daily rhythm and make your time shine even brighter. If you like Chrono Rainbow, please give us a star to encourage our development. We will keep updating Chrono Rainbow to make the rainbow time more free. Thank you for your support!

Chrono Rainbow has evolved to make your precious moments even more beautifully vibrant! - New Event Features You can now effortlessly register anniversaries and birthdays, allowing you to revisit those special days anytime. Plus, you can track the days that have passed since an anniversary, or see the age, zodiac sign, and Chinese zodiac of someone whose birthday you’ve registered. Record your cherished moments and create a calendar that’s uniquely yours. - An Even More Beautiful Experience We’ve refined the UI to make your experience more intuitive, seamless, and visually delightful. This version introduces new features to help you treasure your special days even more. Now, let’s color your time with the vibrant hues of the rainbow! If you’re enjoying Chrono Rainbow, even a simple star rating would mean the world to us and keep us inspired. We’ll continue to bring you exciting updates, so thank you for your support of Chrono Rainbow!