# SubmitKit vs RookFlow

The clearest difference is in-app purchases: RookFlow at none against SubmitKit's 2. RookFlow also leads on update cadence (every 3 days vs weekly). 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. RookFlow asks for nothing beyond the download.

SubmitKit ships an update weekly, RookFlow every 3 days. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | SubmitKit | RookFlow |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 35 MB | 114 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [JAYCO LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1893569647) | [Pratheek Balakrishna](https://appshunter.io/developer/1826744138) |

## 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 |


### RookFlow

[App page](https://appshunter.io/ios/app/rookflow-grappling-map/id6804788233)

**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 RookFlow free?

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

### Do SubmitKit or RookFlow have ads?

Neither SubmitKit nor RookFlow shows ads.

### Which is updated more often, SubmitKit or RookFlow?

SubmitKit ships an update weekly, and RookFlow every 3 days. Most recently, SubmitKit was updated on October 8, 2026 and RookFlow on October 15, 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.*