# Zerko vs Dementia Fighter

The clearest difference is price: Zerko at $2.99 against Dementia Fighter's $4.99. Dementia Fighter's advantage is iOS requirement (8.0 vs 12.0). On ads, in-app purchases and device support there is nothing between them.

Zerko costs $2.99 and Dementia Fighter $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Zerko | Dementia Fighter |
| --- | --- | --- |
| Price | **$2.99** | $4.99 |
| Rating | **[4.9 (14 ratings)](https://appshunter.io/ios/app/zerko/id6470181559/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 93.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Paid | — |
| Size | 100 MB | 15 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maciej Targoni](https://appshunter.io/developer/495165602) | [Hamster Force Multimedia Ltd.](https://appshunter.io/developer/443416476) |

## What reviewers say

### Zerko

[App page](https://appshunter.io/ios/app/zerko/id6470181559)

A relaxing puzzle game where you strategically place blocks to make all numbers on the board equal zero. Enjoy a no-pressure experience with calming audio and no in-app purchases or ads.

**Highlights:** Zero-sum number puzzles, Strategic block placement, Relaxing gameplay, No time pressure, No in-app purchases, No ads

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

**In-app purchases:** none


### Dementia Fighter

[App page](https://appshunter.io/ios/app/dementia-fighter/id6677024382)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zerko free?

Zerko costs $2.99, with no in-app purchases.

### Is Dementia Fighter free?

Dementia Fighter costs $4.99, with no in-app purchases.

### Do Zerko or Dementia Fighter have ads?

Neither Zerko nor Dementia Fighter 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.*