# SkullAdvisor vs Deep

The clearest difference is in-app purchases: SkullAdvisor at none against Deep's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Deep sells 2 in-app purchases, starting at $11.99 per month. SkullAdvisor asks for nothing beyond the download.

SkullAdvisor ships an update every 10 days, Deep weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SkullAdvisor | Deep |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 33 MB | 111 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BONE BREAKER](https://appshunter.io/developer/1785392663) | [Built To Protect](https://appshunter.io/developer/1874362169) |

## What reviewers say

### SkullAdvisor

[App page](https://appshunter.io/ios/app/skulladvisor/id6739451764)

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

**In-app purchases:** none


### Deep

[App page](https://appshunter.io/ios/app/deep-prehab-strength-training/id6758676211)

This app provides personalized structural strength training designed by physiotherapists to improve stability and motor control. It starts with a home-based assessment to identify imbalances, then generates tailored accessory workouts.

**Highlights:** Home-based movement and questionnaire test, Identifies muscular imbalances and deficits, Personalized accessory work program, Over 250 video-explained exercises, Progress tracking, Designed by physiotherapists

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Deep premium (monthly) | $11.99 | per month |
| Deep premium (yearly) | $89.99 | per year |


## Frequently asked questions

### Is SkullAdvisor free?

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

### Is Deep free?

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

### Do SkullAdvisor or Deep have ads?

Neither SkullAdvisor nor Deep shows ads.

### Which is updated more often, SkullAdvisor or Deep?

SkullAdvisor ships an update every 10 days, and Deep weekly. Most recently, SkullAdvisor was updated on October 24, 2026 and Deep 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.*