# Blackball Timer Pro vs Pool Shot Clock by SoundOut

The clearest difference is in-app purchases: Blackball Timer Pro at none against Pool Shot Clock by SoundOut's 1. Pool Shot Clock by SoundOut's advantage is update cadence (every 2 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Pool Shot Clock by SoundOut sells 1 one-off in-app purchase. Blackball Timer Pro asks for nothing beyond the download.

Blackball Timer Pro ships an update every 3 weeks, Pool Shot Clock by SoundOut every 2 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Blackball Timer Pro | Pool Shot Clock by SoundOut |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 38 MB | 4 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Jimy Bigaud](https://appshunter.io/developer/1890517933) | [Nhat Nguyen189381075551](https://appshunter.io/developer/6780909270) |

## What reviewers say

### Blackball Timer Pro

[App page](https://appshunter.io/ios/app/blackball-timer-pro/id6761625367)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Pool Shot Clock by SoundOut

[App page](https://appshunter.io/ios/app/pool-shot-clock-by-soundout/id6780909268)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Custom Duration | $1.99 | one-time |


## Frequently asked questions

### Is Blackball Timer Pro free?

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

### Is Pool Shot Clock by SoundOut free?

Pool Shot Clock by SoundOut is free to download, with in-app purchases available.

### Do Blackball Timer Pro or Pool Shot Clock by SoundOut have ads?

Neither Blackball Timer Pro nor Pool Shot Clock by SoundOut shows ads.

### Which is updated more often, Blackball Timer Pro or Pool Shot Clock by SoundOut?

Blackball Timer Pro ships an update every 3 weeks, and Pool Shot Clock by SoundOut every 2 days. Most recently, Blackball Timer Pro was updated on October 24, 2026 and Pool Shot Clock by SoundOut on October 24, 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.*