# ScoreMaster Pro vs AirMultiChrono

The clearest difference is in-app purchases: ScoreMaster Pro at none against AirMultiChrono's 3. AirMultiChrono's advantage is update cadence (every 2 days vs every 2 weeks) and iOS requirement (16.6 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. AirMultiChrono sells 3 one-off in-app purchases. ScoreMaster Pro asks for nothing beyond the download.

ScoreMaster Pro ships an update every 2 weeks, AirMultiChrono every 2 days. The most recent releases landed on September 9, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | ScoreMaster Pro | AirMultiChrono |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 2 MB | 16 MB |
| Requires iOS | 18.2 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [子航 周](https://appshunter.io/developer/1788815139) | [Valerie Otero](https://appshunter.io/developer/1848585337) |

## What reviewers say

### ScoreMaster Pro

[App page](https://appshunter.io/ios/app/scoremaster-pro/id6740455256)

**Features:** macOS Compatibility

**In-app purchases:** none


### AirMultiChrono

[App page](https://appshunter.io/ios/app/airmultichrono/id6754513036)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small coffee | $1.99 | one-time |
| Medium coffee | $3.99 | one-time |
| Large coffee | $5.99 | one-time |


## Frequently asked questions

### Is ScoreMaster Pro free?

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

### Is AirMultiChrono free?

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

### Do ScoreMaster Pro or AirMultiChrono have ads?

Neither ScoreMaster Pro nor AirMultiChrono shows ads.

### Which is updated more often, ScoreMaster Pro or AirMultiChrono?

ScoreMaster Pro ships an update every 2 weeks, and AirMultiChrono every 2 days. Most recently, ScoreMaster Pro was updated on September 9, 2026 and AirMultiChrono on September 18, 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.*