# KD Coaching Center vs Scubbl

The clearest difference is in-app purchases: KD Coaching Center at none against Scubbl's 4. KD Coaching Center also leads on ads (none vs shown). Scubbl's advantage is update cadence (weekly vs every 9 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Scubbl sells 4 in-app purchases, starting at $6.99 per month. KD Coaching Center asks for nothing beyond the download.

KD Coaching Center ships an update every 9 months, Scubbl weekly. The most recent releases landed on October 25, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | KD Coaching Center | Scubbl |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Weekly** |
| Size | 52 MB | 118 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [KD COACHING CENTER](https://appshunter.io/developer/6782825068) | [Envel Kalinowski](https://appshunter.io/developer/1873307307) |

## What reviewers say

### KD Coaching Center

[App page](https://appshunter.io/ios/app/kd-coaching-center/id6720725864)

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

**In-app purchases:** none


### Scubbl

[App page](https://appshunter.io/ios/app/scubbl/id6758519689)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scubbl Premium – Monthly | $6.99 | per month |
| Scubbl Club – Monthly | $14.99 | per month |
| Scubbl Premium – Yearly | $69.99 | per year |
| Scubbl Club – Yearly | $149.99 | per year |


## Frequently asked questions

### Is KD Coaching Center free?

KD Coaching Center is free to download, with no in-app purchases.

### Is Scubbl free?

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

### Do KD Coaching Center or Scubbl have ads?

Scubbl shows ads; KD Coaching Center does not.

### Which is updated more often, KD Coaching Center or Scubbl?

KD Coaching Center ships an update every 9 months, and Scubbl weekly. Most recently, KD Coaching Center was updated on October 25, 2026 and Scubbl on October 6, 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.*