# Doomsday Method vs Doomsday Practice

The clearest difference is in-app purchases: Doomsday Practice at none against Doomsday Method's 1. Doomsday Practice also leads on rating (5.0 vs 4.7). Doomsday Method's advantage is ratings volume (3 vs 1) and iOS requirement (17.0 vs 26.0). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Doomsday Method sells 1 one-off in-app purchase. Doomsday Practice asks for nothing beyond the download.

Doomsday Practice holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

## The numbers

| Metric | Doomsday Method | Doomsday Practice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/doomsday-method-day-of-week/id6447447000/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/doomsday-practice/id6763708034/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | Free |
| Size | 10 MB | 1 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Leon Grimmeisen](https://appshunter.io/developer/1654025400) | [Taiyo Tsuchiya](https://appshunter.io/developer/1868015190) |

## What reviewers say

### Doomsday Method

[App page](https://appshunter.io/ios/app/doomsday-method-day-of-week/id6447447000)

Master the art of calculating weekdays for any date with this comprehensive educational app. Learn a proven technique, practice with interactive exercises, and track your progress to sharpen your mental arithmetic skills.

**Highlights:** Learn Doomsday Method principles, Interactive examples and tips, Dedicated training mode, Progress tracking and statistics, User-friendly interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Doomsday Pro | $9.99 | one-time |


### Doomsday Practice

[App page](https://appshunter.io/ios/app/doomsday-practice/id6763708034)

Master a mental math technique to calculate the day of the week for any date. Learn step-by-step, practice with random dates, and track your progress with stats and streaks. Ideal for math enthusiasts and memory competitors.

**Highlights:** Step-by-step lessons, Practice random dates, Instant feedback, Progress tracking, Reference sheet, Build speed and accuracy

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Doomsday Method free?

Doomsday Method is free to download, with in-app purchases available.

### Is Doomsday Practice free?

Doomsday Practice is free to download, with no in-app purchases.

### Which has better reviews, Doomsday Method or Doomsday Practice?

Doomsday Practice is rated higher. Doomsday Method averages 4.7 out of 5 from 3 ratings, while Doomsday Practice averages 5.0 from 1 ratings.

### Do Doomsday Method or Doomsday Practice have ads?

Neither Doomsday Method nor Doomsday Practice shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*