Week Day Calendar vs Doomsday calculator memory
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Week Day Calendar
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It is nice to find out what weekday you self or some one else was born. This App does this and more. The Gregorian calendar is internationally the most widely used civil calendar It is named after Pope Gregory XIII, who introduced it in October 1582. The calender was adopted by the countries from 1582 (Venice) to 1918 (Russia) The Weakday app displays the weak day of a given date and even display the year in roman digits.
Doomsday calculator memory
Practice and memorize a method for quickly calculating the weekday of any given date. This app is based on John Conway's 1970 mathematical system, allowing you to test your abilities without external tools.
- Practice date calculations
- Memorize weekday method
- Based on John Conway's system
- No external tools needed
- Test your abilities
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In 1970, British mathematician John Conway devised a way to quickly calculate the weekday of any given date without the help of calculators, computers, or calendars. This app helps you to practice and memorize.
Screenshots
Verdict
The clearest difference is price: Doomsday calculator memory at Free against Week Day Calendar's $3.99. Doomsday calculator memory also leads on update cadence (every 8 days vs every 38 months). Week Day Calendar's advantage is iOS requirement (15.6 vs 17.6). On ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Doomsday calculator memory is free to download; Week Day Calendar costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Week Day Calendar ships an update every 38 months, Doomsday calculator memory every 8 days. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.
| Parameter | Week Day Calendar | Doomsday calculator memory |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 38 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 121 MB | 4 MB |
| Age rating | 9+ | 4+ |
| Developer | Anders Falck | Joao Vianna |
In-app purchases
Week Day Calendar
No in-app purchases
Doomsday calculator memory
No in-app purchases
