# Hard Enduro vs SYSTEM JJ

The clearest difference is in-app purchases: SYSTEM JJ at none against Hard Enduro's 5. Hard Enduro's advantage is update cadence (daily vs every 3 days) and iOS requirement (12.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Hard Enduro sells 5 in-app purchases, starting at $29.99 per month. SYSTEM JJ asks for nothing beyond the download.

Hard Enduro ships an update daily, SYSTEM JJ every 3 days. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Hard Enduro | SYSTEM JJ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/system-jj/id6760544977/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 73 MB | 194 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Wade Young](https://appshunter.io/developer/1739357377) | [Nicholas Hession-Kugelman](https://appshunter.io/developer/1884887934) |

## What reviewers say

### Hard Enduro

[App page](https://appshunter.io/ios/app/hard-enduro/id6480517621)

Access a curated library of high-quality training content for Hard Enduro. Learn advanced riding techniques, mental fortitude, and gain insights from elite riders to improve your skills on challenging terrains.

**Highlights:** Curated training content, Advanced riding techniques, Mental fortitude training, Insights from elite riders, Tailored training plans, Instructional videos

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Premium | $29.99 | per month |
| 1 Month Subscription | $69.99 | per month |
| 3 Months Premium | $79.99 | per 3 months |
| 3 Months Subscription | $119.99 | per 3 months |
| 1 Year Subscription | $299.99 | per year |


### SYSTEM JJ

[App page](https://appshunter.io/ios/app/system-jj/id6760544977)

This training companion helps you master jiu-jitsu by capturing session intentions and feedback. Record audio and video notes, utilize templates, and get AI coaching within the app.

**Highlights:** Capture training session intentions, Record audio notes, Record video notes, Utilize templates, AI coach integration

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

**In-app purchases:** none


## Frequently asked questions

### Is Hard Enduro free?

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

### Is SYSTEM JJ free?

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

### Do Hard Enduro or SYSTEM JJ have ads?

Neither Hard Enduro nor SYSTEM JJ shows ads.

### Which is updated more often, Hard Enduro or SYSTEM JJ?

Hard Enduro ships an update daily, and SYSTEM JJ every 3 days. Most recently, Hard Enduro was updated on October 13, 2026 and SYSTEM JJ 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.*