8+ similar apps compared and reviewed
Whether you want more options like 年号計算 ~Japanese Calendar~ or a completely different take on the same concept, our curated list of 8+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.
Easily convert between Western and Japanese eras, and determine birth years from age. Explore historical context with explanations for era changes and significant events of each year.
A straightforward calculator app designed for speed and ease of use. It features large buttons and a clear display optimized for any screen size, along with a history of your calculations.
A calculator app designed with aesthetic themes for iPhones, offering features like tax calculation, history logging, and font customization. It also includes advanced 10-bit, 2-bit, and 16-bit conversion capabilities.
Effortlessly transform your Markdown text into interactive mind maps. Visualize connections, explore new perspectives, and share your ideas in high-definition. Available on iOS and macOS for seamless cross-platform use.
