# Day of Week — Calculate In Your Head

> Calculate any day of the week mentally. (iPhone/iPad app by Thomas Bradshaw.)

- Source: https://appshunter.io/ios/app/day-of-week/id1360674640 (this page in markdown: same URL + `.md`)
- Developer: [Thomas Bradshaw](https://appshunter.io/developer/1360674639)
- Category: Education, Reference
- Price: Free
- Rating: 4.81/5 from 33 App Store ratings · 6 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 10 MB
- Languages: English, French
- Released: 2018-03-31
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/day-of-week/id1360674640/reviews.md

## What is Day of Week?

Be the life of the party by calculating any day of week in your head!

Quickly determine what day your were born, or when a contract was signed.  Impress your friends & colleagues with your newfound skill.

## Key features

- Calculate any day of the week
- Determine birth dates
- Find contract signing dates
- Impress others with mental math
- Quick date calculations

## Recent user reviews (6 of 6)

All indexed reviews: https://appshunter.io/ios/app/day-of-week/id1360674640/reviews.md

### 5/5 — 5/5

*2024-12-30*

Absolutely amazing

### 5/5 — Great app!

*2024-06-20*

Does what is says

### 3/5 — Missing

*2024-01-11*

Doesn't explain the method. The screen is missing..

### 4/5 — Useful app

*2021-03-21, version 1.3*

But gets stuck in one century for too long. Should randomly alternate.

### 1/5 — Tutor

*2020-11-01, version 1.3*

Where does it teach you the technique?

### 5/5 — Great for practicing

*2020-01-14, version 1.2*

Best feature: when you get one wrong, the app explains the correct answer, making it easy to see where you went wrong.

## Frequently asked questions about Day of Week

### What is Day of Week used for?

Day of Week is an educational app designed to help you quickly calculate the day of the week for any given date in your head. It's useful for determining birth dates, historical event dates, or any other date-related queries.

### How accurate is Day of Week?

The app boasts an impressive average rating of 4.8 stars from 33 user reviews, indicating a high level of user satisfaction with its accuracy and functionality. Users frequently praise its ability to perform calculations quickly and correctly.

### Is Day of Week free to use?

Yes, Day of Week is completely free to download and use. There are no in-app purchases or subscription fees associated with accessing its core features.

### Does Day of Week have ads?

No, Day of Week is ad-free. Users can enjoy the application without any interruptions from advertisements, providing a clean and focused learning experience.

### What devices does Day of Week support?

Day of Week is available on iOS devices, including iPhone and iPad. It is designed to run on these platforms, allowing a wide range of users to benefit from its features.

### How often is Day of Week updated?

The app was last updated on February 27, 2023, with version 1.5. While specific update frequency isn't detailed, this indicates ongoing maintenance and potential improvements.

### What is the age rating for Day of Week?

Day of Week has an age rating of 4+, making it suitable for a broad audience, including children and adults looking to improve their mental calculation skills.

### What learning methodology does Day of Week employ?

Day of Week focuses on practical application and memorization techniques to build mental calculation skills. By repeatedly practicing date calculations, users develop an intuitive understanding of calendar patterns.

## Version history (last 5 releases)

### 1.5 — 2023-02-27

You spoke, we listened!  New features in this update:
- Optimized for iOS 16
- General fixes and stability improvements

### 1.4 — 2021-04-07

You spoke, we listened!  New features in this update:
- Optimized for iOS 14
- New tablet mode
- Mode français
- Better date randomization between centuries
- General fixes and stability improvements

### 1.3 — 2020-04-14

We're constantly working to improve your app experience. In this update:

- Optimized for iOS 13
- Dark mode support
- More bug busting & internal optimizations

Got a great idea for a feature? Please reach out to share at dayofweek@ideasonanapkin.com.

### 1.2 — 2019-07-11

You spoke, we listened! New features in this update:

- Optimized for iOS 12
- Additional background images
- More bug busting & internal optimizations

### 1.1 — 2018-04-23

General fixes and stability improvements.

## Apps similar to Day of Week

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| --- | --- | --- | --- |
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| [Doomsday Method](https://appshunter.io/ios/app/doomsday-method/id6447447000) | 5.0 (2) | Free | Education |
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## More apps by Thomas Bradshaw

- [Kwik Jam](https://appshunter.io/ios/app/kwik-jam/id1449629769)
- [Square Root Pro](https://appshunter.io/ios/app/square-root-pro/id1621600446)
- [Day of Week Pro](https://appshunter.io/ios/app/day-of-week-pro/id1662589371)

All apps by Thomas Bradshaw: https://appshunter.io/developer/1360674639

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*