# mkZero vs Solitaire Klondike by Evsi

The clearest difference is in-app purchases: Solitaire Klondike by Evsi at none against mkZero's 9. Solitaire Klondike by Evsi also leads on ads (none vs shown). mkZero's advantage is iOS requirement (12.2 vs 15.1). On price, update cadence and device support there is nothing between them.

Both are free to download. mkZero sells 9 one-off in-app purchases. Solitaire Klondike by Evsi asks for nothing beyond the download.

mkZero ships an update every 5 weeks, Solitaire Klondike by Evsi daily. The most recent releases landed on October 28, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | mkZero | Solitaire Klondike by Evsi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Daily** |
| Size | 13 MB | 41 MB |
| Requires iOS | **12.2** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | +4 |
| Developer | [GameJab OÜ](https://appshunter.io/developer/1831019149) | [Evgenii Evsiukov](https://appshunter.io/developer/1554242374) |

## What reviewers say

### mkZero

[App page](https://appshunter.io/ios/app/mkzero-math-challenge/id6749543532)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads For 3 Days | $0.29 | one-time |
| 20 Lives | $0.99 | one-time |
| 50 Lives | $1.99 | one-time |
| 100 Lives | $3.99 | one-time |
| Remove Ads | $4.99 | one-time |
| 300 Lives | $9.99 | one-time |
| 500 Lives | $14.99 | one-time |
| 1,000 lives! | $24.99 | one-time |
| Infinite Lives | $99.99 | one-time |


### Solitaire Klondike by Evsi

[App page](https://appshunter.io/ios/app/solitaire-klondike-by-evsi/id6755158998)

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

**In-app purchases:** none


## Frequently asked questions

### Is mkZero free?

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

### Is Solitaire Klondike by Evsi free?

Solitaire Klondike by Evsi is free to download, with no in-app purchases.

### Do mkZero or Solitaire Klondike by Evsi have ads?

mkZero shows ads; Solitaire Klondike by Evsi does not.

### Which is updated more often, mkZero or Solitaire Klondike by Evsi?

mkZero ships an update every 5 weeks, and Solitaire Klondike by Evsi daily. Most recently, mkZero was updated on October 28, 2026 and Solitaire Klondike by Evsi on October 26, 2026.

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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.*