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App Store Apps > Lifestyle > DuoCal
DuoCal icon

DuoCal

by WAZAnauts LLC · Lifestyle · Free
On the App Store since November 2021 · Data updated 2026-10-28

DuoCal is made and published by WAZAnauts LLC. AppBrain is an independent app data site and isn't affiliated with WAZAnauts LLC. The app name, icon, screenshots and description belong to WAZAnauts LLC and are shown as published on the App Store.

AppBrain's verdict

Rating on App Store
5.00
1 ratings
Last updated
October 9, 2025
Size
39.1 MB

It doesn't have enough ratings yet to judge what users think.

Official page on the App Store

User feedback

Ratings and reviews on the App Store

Comments on DuoCal for iOS

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Store listing

By WAZAnauts LLC, from the App Store
DuoCal Screenshot 1 of 8
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Screenshots by WAZAnauts LLC, from the the App Store listing
Description by WAZAnauts LLC Written by the developer, not by AppBrain. Click to read.
DuoCal ~Compare Calendars Side by Side~

DuoCal allows you to line up calendars of the same month of different years or any other months you like top-and-bottom and compare them.

●DuoCal Features

・Allows you to create calendars for different purposes and easily switch between them.
・Allows you to display 2 calendars top-and-bottom, making it easy to compare monthly calendars for different months and years or various monthly calendars in different years, for example.
・Allows you to easily share your calendars with multiple people. (Sharing calendars require both the inviter and invitee to have Dropbox accounts. DuoCal account registration is not required.)
・Allows you to sync iOS calendars. You can also sync your Google calendar by syncing your Google Calendar with your iOS calendar.
・You may attach as many labels to your calendar as you want for different purposes. You can choose between 34 colors and 4 sizes as well as 2 types, text only or image+text.
・You can also create label templates. By creating label templates you frequently use, you can customize your calendar to make it easier for you to use.
・You may also attach labels to parts other than the dates on your calendar or create short memos separate from the dates.

●Usage example
・You can use it like a 5 year calendar or 10 year calendar. By using the labels as diaries with photos, you can easily relive your memories in the current month 1 year or 5 years ago.
・As you can create multiple calendars separated by various purposes such as private, work, family, and more, you can make a calendar that is easy to view. Additionally, by lining them up top-and-bottom, you can plan your work schedule while comparing it with your private schedule.
・Use the share function to easily share the information with your family or acquaintances. You can use it like a portable fridge calendar.
・By recording reservations or revenue on labels, you can compare reservation status for the same month between different years and between different months.
・You can also record events with clients in the previous year on your calendar and display this year’s calendar on top and last year's calendar at the bottom to establish the year’s plan to fit your client’s needs while checking last year’s circumstances.
・You can use the share function to easily sync the information between multiple devices. For example, you can use your tablet at home and your smartphone when outside to manage your schedule.

●DuoCal Convenient Features

(Calendar Management)
・Allows you to combine calendars. You can easily combine calendars that you created separately into a single calendar.

(Calendar View)
・You can use pinch-to-zoom to enlarge the calendar. If your phone screen is small, making it difficult to view the labels, you can intuitively enlarge it.
・Tap the View Mode button to switch to View Mode. In View Mode, you can zoom in on the data by tapping and holding on specific dates. This feature is useful for quickly checking all the details.

(Calendar Sharing)
・You can share your calendar with multiple people by using Dropbox. All you need to do is send an Invite email to the person you want to share it with.
No DuoCal account registration is required.
・Send an email to yourself to sync your calendar on multiple devices such as your smartphone and tablet.

(Other Features)
・You can also backup your calendar to iCloud Drive.


●Use add-ons to add functionality
・Purchase add-ons to remove ads and increase the display area. This will make it easier to view the calendars when you line them up top-and-bottom.
・You can import Palu Calendar backup files. You can import calendars that you have created on Palu to DuoCal. (Calendars imported from Palu cannot be edited.)

*”Dropbox” is a trademark or registered trademark of Dropbox, Inc.
*”Palu” is a product of MetaMoJi Corporation.
*The screenshot shown here is the app with add-ons that remove ads.
Official page on the App Store

Safety and technology

Found in the app by AppBrain
Price
Free
App size
39.1 MB
Content rating
Everyone

Technologies used by DuoCal

Releases

Updates seen on the App Store
Version
1.1.5
Launched
November 2021

No changelog data

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Rankings

App Store top charts

App Store Rankings for DuoCal

This app is not ranked

About the app and developer

About DuoCal

DuoCal is a lifestyle app developed by WAZAnauts LLC.

User Ratings

DuoCal is rated 5.00 out of 5 stars. The rating is based on one rating ratings.

App Information

DuoCal is freely available from the App Store. The app size is 39.06 MB. The latest version available is 1.1.5. The last update was on October 9, 2025.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since November 2021.

Developer information for WAZAnauts LLC

WAZAnauts LLC

Address:

Frequently asked questions about DuoCal

Is DuoCal free?

Yes. DuoCal is free on the App Store.

Is DuoCal still available?

Yes. DuoCal is on the App Store, and the last update we saw was on October 9, 2025.

How large is DuoCal?

DuoCal is 39.06 MB.

Is DuoCal suitable for children?

App Store rates the content of DuoCal as suitable for everyone.

How do people rate DuoCal?

DuoCal has one rating of 5.00 stars on the App Store.

Who made DuoCal?

DuoCal was developed by WAZAnauts LLC. It is listed in the lifestyle category on the App Store.

What are the best alternatives to DuoCal?

People looking at DuoCal also look at these lifestyle apps: Shopping List - Handy memo, Peachtree Hills Place Portal, Women's Recovery, CAL20000, Elevate Church IL.

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