# Boot Camp Challenge vs King Focus

The clearest difference is price: King Focus at Free against Boot Camp Challenge's $3.99. King Focus also leads on update cadence (every 9 days vs every 2 months). Boot Camp Challenge's advantage is in-app purchases (none vs 1) and iOS requirement (7.1 vs 15.0). On ads and device support there is nothing between them.

King Focus is free to download; Boot Camp Challenge costs $3.99 up front. King Focus sells 1 in-app purchase, starting at $3.99 per month. Boot Camp Challenge asks for nothing beyond the download.

Boot Camp Challenge ships an update every 2 months, King Focus every 9 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Boot Camp Challenge | King Focus |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[3.9 (7 ratings)](https://appshunter.io/ios/app/boot-camp-challenge/id462087518/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 76.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 116 MB | 47 MB |
| Requires iOS | **7.1** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [lolo](https://appshunter.io/developer/383811733) | [Zumbat Hub srl](https://appshunter.io/developer/1358104949) |

## What reviewers say

### Boot Camp Challenge

[App page](https://appshunter.io/ios/app/boot-camp-challenge/id462087518)

This app offers a progressive 18-day fitness program guided by a veteran U.S. Army trainer. It features over 200 exercises with video demonstrations, catering to all fitness levels. Workouts combine cardio, stretching, and muscular endurance for efficient results.

**Highlights:** 18-day progressive program, Expert U.S. Army trainer guidance, 200+ exercises with video, Beginner to advanced levels, Beat-sync music technology, Interactive workout customization, Health app syncing

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💪 Effective workouts with visible results
- 🎵 Music beat synchronization feature
- ⚙️ Highly customizable intensity and exercises
- 🏠 Convenient home workout solution
- 📱 User-friendly interface and easy to use

**What reviewers complain about**

- 🐛 Frequent app crashes and freezing
- 🔐 Login/access issues after updates
- 🎤 Trainer counting speed mismatches video
- 📺 iPhone screen too small, no iPad support
- 🔊 Audio issues with music and voice overlap

**Reported bugs**

- App crashes during workouts
- Login page inaccessible after updates
- Doesn't resume from where user left off
- Music playlist resets on app restart
- Trainer voice overlaps with music

**Requested features**

- iPad and HD version support
- Extended program beyond 18-30 days
- More cardiovascular exercises
- Additional equipment options (kettlebells, exercise balls)
- Countdown timer for each move


### King Focus

[App page](https://appshunter.io/ios/app/king-focus-train-attention/id6761002164)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| King Focus Monthly Subscription | $3.99 | per month |


## Frequently asked questions

### Is Boot Camp Challenge free?

Boot Camp Challenge costs $3.99, with no in-app purchases.

### Is King Focus free?

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

### Do Boot Camp Challenge or King Focus have ads?

Neither Boot Camp Challenge nor King Focus shows ads.

### Which is updated more often, Boot Camp Challenge or King Focus?

Boot Camp Challenge ships an update every 2 months, and King Focus every 9 days. Most recently, Boot Camp Challenge was updated on October 26, 2026 and King Focus 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.*