# Built 4 It vs SubMetrix

The clearest difference is in-app purchases: Built 4 It at none against SubMetrix's 1. Built 4 It also leads on iOS requirement (15.0 vs 26.2). SubMetrix's advantage is update cadence (every 4 days vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. SubMetrix sells 1 in-app purchase, starting at $1.99 per month. Built 4 It asks for nothing beyond the download.

Built 4 It ships an update every 9 months, SubMetrix every 4 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Built 4 It | SubMetrix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/submetrix-jiu-jitsu-guide/id6765980744/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 47 MB | 19 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Jacob Morales](https://appshunter.io/developer/1698367000) | [Dane Chapman](https://appshunter.io/developer/1825216114) |

## What reviewers say

### Built 4 It

[App page](https://appshunter.io/ios/app/built-4-it/id6451452027)

**Features:** macOS Compatibility

**In-app purchases:** none


### SubMetrix

[App page](https://appshunter.io/ios/app/submetrix-jiu-jitsu-guide/id6765980744)

This app helps Jiu-Jitsu practitioners track their training sessions, analyze their performance, and improve their skills. It provides detailed insights into submissions, positions, and weaknesses, offering tools like flow maps and flashcards to enhance learning and strategy.

**Highlights:** Track every roll with details, Analyze submissions and weaknesses, Visualize game flow and build plans, Improve knowledge with flashcards, AI companion for technique guidance, Performance analytics and data export

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SubMetrix Pro (Monthly) | $1.99 | per month |


## Frequently asked questions

### Is Built 4 It free?

Built 4 It is free to download, with no in-app purchases.

### Is SubMetrix free?

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

### Do Built 4 It or SubMetrix have ads?

Neither Built 4 It nor SubMetrix shows ads.

### Which is updated more often, Built 4 It or SubMetrix?

Built 4 It ships an update every 9 months, and SubMetrix every 4 days. Most recently, Built 4 It was updated on November 7, 2026 and SubMetrix on October 31, 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.*