# MZ9 vs WallBall Buddy

The clearest difference is in-app purchases: MZ9 at none against WallBall Buddy's 2. MZ9 also leads on iOS requirement (15.1 vs 17.6). WallBall Buddy's advantage is update cadence (every 4 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. WallBall Buddy sells 2 in-app purchases, starting at $7.99 per month. MZ9 asks for nothing beyond the download.

MZ9 ships an update every 3 months, WallBall Buddy every 4 days. The most recent releases landed on October 4, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | MZ9 | WallBall Buddy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 55 MB | 18 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Momence, Inc.](https://appshunter.io/developer/1577856011) | [ANNA MAY RIGBY](https://appshunter.io/developer/6785977702) |

## What reviewers say

### MZ9

[App page](https://appshunter.io/ios/app/mz9/id6480318985)

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

**In-app purchases:** none


### WallBall Buddy

[App page](https://appshunter.io/ios/app/wallball-buddy/id6793094190)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RepCheck Access | $7.99 | per month |
| WallBall Buddy Annual Membership | $69.99 | per year |


## Frequently asked questions

### Is MZ9 free?

MZ9 is free to download, with no in-app purchases.

### Is WallBall Buddy free?

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

### Do MZ9 or WallBall Buddy have ads?

Neither MZ9 nor WallBall Buddy shows ads.

### Which is updated more often, MZ9 or WallBall Buddy?

MZ9 ships an update every 3 months, and WallBall Buddy every 4 days. Most recently, MZ9 was updated on October 4, 2026 and WallBall Buddy on October 25, 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.*