# SubmitKit vs RUNG BJJ

The clearest difference is in-app purchases: RUNG BJJ at none against SubmitKit's 2. SubmitKit's advantage is update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SubmitKit sells 2 in-app purchases, starting at $6.99 per month. RUNG BJJ asks for nothing beyond the download.

SubmitKit ships an update weekly, RUNG BJJ every 2 months. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | SubmitKit | RUNG BJJ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 35 MB | 4 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [JAYCO LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1893569647) | [Theodor Baudewijn Sandu](https://appshunter.io/developer/1853488442) |

## What reviewers say

### SubmitKit

[App page](https://appshunter.io/ios/app/submitkit-bjj-tech-library/id6762257582)

Easily save and organize BJJ technique videos from social media into a personal library. AI automatically tags each technique, allowing for quick searching and filtering to build and improve your grappling game.

**Highlights:** Import videos from Instagram and Facebook, AI auto-tagging of techniques, Full-text search of library, Filter by technique tags, Track drilled techniques, Build personalized BJJ game

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SubmitKit Pro | $6.99 | per month |
| SubmitKit | $47.99 | per year |


### RUNG BJJ

[App page](https://appshunter.io/ios/app/rung-bjj/id6772020455)

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

**In-app purchases:** none


## Frequently asked questions

### Is SubmitKit free?

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

### Is RUNG BJJ free?

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

### Do SubmitKit or RUNG BJJ have ads?

Neither SubmitKit nor RUNG BJJ shows ads.

### Which is updated more often, SubmitKit or RUNG BJJ?

SubmitKit ships an update weekly, and RUNG BJJ every 2 months. Most recently, SubmitKit was updated on October 8, 2026 and RUNG BJJ on September 30, 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.*