From beginner-friendly picks to power-user tools, our 13 month fixed calendar list covers 250+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.
Compare top 13 Month Fixed Calendar Apps (October 2026)
Explore an alternative calendar system with 13 equal months. This app provides access to the International Fixed Calendar, featuring widgets and Apple Watch integration for easy date checking. Discover a historical calendar reform used by Kodak.
This app offers a visually appealing and intuitive way to manage your schedule. It integrates events, maps, contacts, and weather to help you plan your day efficiently. Features include timeline views, weather forecasts, travel time estimates, and customizable themes.
What We Love
🚀 Gorgeous design
👍 Intuitive and easy to use
💡 Useful features like weather, travel time estimates
👍 Highly customizable
🚀 Smooth performance
Room to Improve
🐛 Buggy, crashes frequently
🔒 Subscription model required for full functionality
🔒 Separate subscription for companion app
🔋 Slow load times
👎 Missing key features like month view, to-do list
This simple calendar app displays three months at a time, along with an annual view. Easily navigate between months and years with intuitive scrolling gestures. It offers a straightforward yet highly useful way to manage your schedule.
What are the best 13 month fixed calendar apps for iPhone?
International Fixed Calendar tops our 13 month fixed calendar apps ranking as of October 2026, with a 3.2-star average from 12 App Store ratings, and it's free to download.
Are there free 13 month fixed calendar apps for iPhone?
Yes — 18 of the top 13 month fixed calendar apps we rank are free to download, including International Fixed Calendar and Timepage: Calendar Planner.
Does International Fixed Calendar have ads or in-app purchases?
International Fixed Calendar has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
How many 13 month fixed calendar apps are on the App Store?
We track 250+ 13 month fixed calendar apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.