# Scribble vs mkZero

The clearest difference is update cadence: mkZero at every 5 weeks against Scribble's every 17 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Scribble sells 7 one-off in-app purchases and mkZero sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Scribble ships an update every 17 months, mkZero every 5 weeks. The most recent releases landed on September 15, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Scribble | mkZero |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 17 months | **Every 5 weeks** |
| Size | 41 MB | 13 MB |
| Requires iOS | 12.6 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [PLAYTOUCH](https://appshunter.io/developer/608330754) | [GameJab OÜ](https://appshunter.io/developer/1831019149) |

## What reviewers say

### Scribble

[App page](https://appshunter.io/ios/app/scribble-play-with-math/id1620125315)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 diamonds | $0.99 | one-time |
| Remove all ADS from the game | $1.99 | one-time |
| 300 diamonds | $1.99 | one-time |
| 550 diamonds | $3.99 | one-time |
| 1200 diamonds | $8.99 | one-time |
| 2500 diamonds | $17.99 | one-time |
| 4000 diamonds | $26.99 | one-time |


### 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 |


## Frequently asked questions

### Is Scribble free?

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

### Is mkZero free?

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

### Do Scribble or mkZero have ads?

Both Scribble and mkZero show ads.

### Which is updated more often, Scribble or mkZero?

Scribble ships an update every 17 months, and mkZero every 5 weeks. Most recently, Scribble was updated on September 15, 2026 and mkZero on September 20, 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.*