# Blackball Timer Pro vs Muscly app

The clearest difference is in-app purchases: Blackball Timer Pro at none against Muscly app's 2. Blackball Timer Pro also leads on ads (none vs shown) and device support (3 vs 1). Muscly app's advantage is update cadence (weekly vs every 3 months). On price there is nothing between them.

Both are free to download. Muscly app sells 2 in-app purchases, starting at $3.99 per month. Blackball Timer Pro asks for nothing beyond the download.

Blackball Timer Pro ships an update every 3 months, Muscly app weekly. The most recent releases landed on October 4, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Blackball Timer Pro | Muscly app |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Size | 37 MB | 108 MB |
| Requires iOS | **15.1** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Jimy Bigaud](https://appshunter.io/developer/1890517933) | [SYLVAIN PHILIPPE TRANCHAND](https://appshunter.io/developer/6774323947) |

## What reviewers say

### Blackball Timer Pro

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

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

**In-app purchases:** none


### Muscly app

[App page](https://appshunter.io/ios/app/muscly-app/id6774323945)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Muscly premium monthly | $3.99 | per month |
| Muscly premium yearly | $29.99 | per year |


## Frequently asked questions

### Is Blackball Timer Pro free?

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

### Is Muscly app free?

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

### Do Blackball Timer Pro or Muscly app have ads?

Muscly app shows ads; Blackball Timer Pro does not.

### Which is updated more often, Blackball Timer Pro or Muscly app?

Blackball Timer Pro ships an update every 3 months, and Muscly app weekly. Most recently, Blackball Timer Pro was updated on October 4, 2026 and Muscly app on October 15, 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.*