# mkZero vs Eclipse Voyager

The clearest difference is ads: Eclipse Voyager at none against mkZero's shown. Eclipse Voyager also leads on update cadence (every 2 weeks vs every 5 weeks). mkZero's advantage is iOS requirement (12.2 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. mkZero sells 9 one-off in-app purchases and Eclipse Voyager sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

mkZero ships an update every 5 weeks, Eclipse Voyager every 2 weeks. The most recent releases landed on September 20, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | mkZero | Eclipse Voyager |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 13 MB | 30 MB |
| Requires iOS | **12.2** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [GameJab OÜ](https://appshunter.io/developer/1831019149) | [Jaewan Shin](https://appshunter.io/developer/1882330549) |

## 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 |


### Eclipse Voyager

[App page](https://appshunter.io/ios/app/eclipse-voyager/id6787067522)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $2.99 | one-time |


## Frequently asked questions

### Is mkZero free?

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

### Is Eclipse Voyager free?

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

### Do mkZero or Eclipse Voyager have ads?

mkZero shows ads; Eclipse Voyager does not.

### Which is updated more often, mkZero or Eclipse Voyager?

mkZero ships an update every 5 weeks, and Eclipse Voyager every 2 weeks. Most recently, mkZero was updated on September 20, 2026 and Eclipse Voyager on September 21, 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.*