# BJJ Booster vs uCertifyPrep CompTIA Linux+

The clearest difference is update cadence: BJJ Booster at monthly against uCertifyPrep CompTIA Linux+'s every 4 months. BJJ Booster also leads on iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. BJJ Booster sells 2 in-app purchases, starting at $9.99 per month and uCertifyPrep CompTIA Linux+ sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

BJJ Booster ships an update monthly, uCertifyPrep CompTIA Linux+ every 4 months. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | BJJ Booster | uCertifyPrep CompTIA Linux+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/bjj-booster/id1566508743/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 121 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JUNIOR FERNANDES BJJ](https://appshunter.io/developer/1566508745) | [uCertify.com](https://appshunter.io/developer/1130631061) |

## What reviewers say

### BJJ Booster

[App page](https://appshunter.io/ios/app/bjj-booster/id1566508743)

Master Brazilian Jiu Jitsu with a comprehensive learning resource. Access hundreds of instructional videos, track your progress with a training planner, and connect with a community of fellow grapplers. New content is added regularly to help you advance your skills.

**Highlights:** Hundreds of instructional videos, Technique categorization, Training planner with notes, Competition tracker, Community forum and chat, Regular content updates

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Annual Subscription | $99.99 | per year |


### uCertifyPrep CompTIA Linux+

[App page](https://appshunter.io/ios/app/ucertifyprep-comptia-linux-plus/id1613324301)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| uCertifyPrep CompTIA Linux+ | $49.99 | one-time |


## Frequently asked questions

### Is BJJ Booster free?

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

### Is uCertifyPrep CompTIA Linux+ free?

uCertifyPrep CompTIA Linux+ is free to download, with in-app purchases available.

### Do BJJ Booster or uCertifyPrep CompTIA Linux+ have ads?

Neither BJJ Booster nor uCertifyPrep CompTIA Linux+ shows ads.

### Which is updated more often, BJJ Booster or uCertifyPrep CompTIA Linux+?

BJJ Booster ships an update monthly, and uCertifyPrep CompTIA Linux+ every 4 months. Most recently, BJJ Booster was updated on October 24, 2026 and uCertifyPrep CompTIA Linux+ on October 13, 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.*