
Is it Sunday?
Know day of week for any date
About
Master the doomsday algorithm to instantly determine the day of the week for any date. Impress others with your enhanced memory and compete with other users.
What's New in Is it Sunday?
2022.3
September 9, 2022
- bug fixes
In-App Purchases
$2.99
Remove ads
Remove ads from the app
Developer apps
FAQ
What is the doomsday algorithm in Is it Sunday?
The doomsday algorithm is a method taught within Is it Sunday? that allows users to calculate the day of the week for any given date. It's designed to be learnable within minutes, even if it appears complex initially.
How does Is it Sunday? compare to other calendar apps?
Unlike standard calendar apps, Is it Sunday? focuses on teaching a specific algorithm for date calculation and includes a competitive gaming element. It's more of a mental puzzle and skill-building tool than a daily organizer.
Can I use Is it Sunday? offline?
The description does not specify offline functionality. However, the competitive features and Game Center integration suggest that an internet connection may be required for full use.
What devices does Is it Sunday? support?
Is it Sunday? is available for iPhone and iPod devices. It was last updated on September 9, 2022, with version 2022.3.
Is Is it Sunday? suitable for children?
Yes, Is it Sunday? has an age rating of 4+, making it suitable for younger users. The app's focus on learning and simple gameplay mechanics are appropriate for this age group.
How often is Is it Sunday? updated?
The app was last updated on September 9, 2022. While specific update frequency isn't detailed, this indicates it receives periodic maintenance and potential feature additions.
What do users like about Is it Sunday?
Based on the available rating of 5.0 stars from 2 ratings, users likely appreciate the unique learning aspect of the doomsday algorithm and the competitive challenge it offers.
Does Is it Sunday? have ads?
No, Is it Sunday? does not contain advertisements. The app is a paid download, priced at $0.99, and also offers in-app purchases.







