# Doomsday Practice vs IQClimb

The clearest difference is in-app purchases: Doomsday Practice at none against IQClimb's 1. Doomsday Practice also leads on ads (none vs shown). IQClimb's advantage is ratings volume (3 vs 1) and iOS requirement (18.0 vs 26.0). On price, rating and device support there is nothing between them.

Both are free to download. IQClimb sells 1 in-app purchase, starting at $6.99 per month. Doomsday Practice asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Doomsday Practice against 5.0 for IQClimb. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

## The numbers

| Metric | Doomsday Practice | IQClimb |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/doomsday-practice/id6763708034/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/iqclimb-brain-training/id6792812316/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 6 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Taiyo Tsuchiya](https://appshunter.io/developer/1868015190) | [Strongware LLC](https://appshunter.io/developer/6789831047) |

## What reviewers say

### 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


### IQClimb

[App page](https://appshunter.io/ios/app/iqclimb-brain-training/id6792812316)

Enhance your cognitive abilities with adaptive training across nine distinct mental skill areas. Track your progress, review performance, and unlock your full potential with unlimited practice drills. Gain insights into your reasoning, memory, and problem-solving skills.

**Highlights:** Adaptive cognitive skill training, Nine distinct cognitive worlds, Unlimited practice drills, Progress tracking and history, Weekly free official assessment, Leaderboard progress

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IQClimb Premium | $6.99 | per month |


## Frequently asked questions

### Is Doomsday Practice free?

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

### Is IQClimb free?

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

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

Doomsday Practice and IQClimb are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do Doomsday Practice or IQClimb have ads?

IQClimb shows ads; Doomsday Practice does not.

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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.*