# Roll by KAYYO vs Grapple Flow

The clearest difference is ads: Grapple Flow at none against Roll by KAYYO's shown. Grapple Flow also leads on iOS requirement (13.0 vs 15.1). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Roll by KAYYO sells 2 in-app purchases, starting at $4.99 per month and Grapple Flow sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Roll by KAYYO against 5.0 for Grapple Flow. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Roll by KAYYO ships an update monthly, Grapple Flow every 3 weeks. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Roll by KAYYO | Grapple Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/roll-by-kayyo/id6760706628/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/grapple-flow/id6762053033/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 46 MB | 15 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Power Punch Technologies Inc](https://appshunter.io/developer/1635789598) | [David McKay](https://appshunter.io/developer/1892684426) |

## What reviewers say

### Roll by KAYYO

[App page](https://appshunter.io/ios/app/roll-by-kayyo/id6760706628)

This AI-powered app analyzes videos of your grappling sessions, providing detailed feedback on techniques and transitions. It offers personalized drills and progress tracking to help you improve your skills. Access a 24/7 AI coach for technique questions.

**Highlights:** AI video analysis of grappling techniques, Personalized coaching feedback, Custom drill generation, Progress tracking, 24/7 AI grappling coach, Unlimited technique breakdowns (Premium)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| Yearly Subscription | $49.99 | per year |


### Grapple Flow

[App page](https://appshunter.io/ios/app/grapple-flow/id6762053033)

Visualize grappling techniques and transitions across multiple martial arts styles. Explore interactive position maps, watch technique videos, and log your training sessions to track progress and identify patterns. Offers both free exploration and premium features for advanced training.

**Highlights:** Interactive position graph, Technique videos (255+), Multi-style support (BJJ, Judo, Wrestling, Sambo, Catch), Pre-built and custom technique chains, Training journal and progress tracking, Belt and rank tracking, Cloud sync across devices

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grapple Flow Premium | $2.99 | per month |
| Premium Annual | $39.99 | per year |
| Lifetime Founding Member | $79.99 | one-time |


## Frequently asked questions

### Is Roll by KAYYO free?

Roll by KAYYO is free to download, with in-app purchases available.

### Is Grapple Flow free?

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

### Which has better reviews, Roll by KAYYO or Grapple Flow?

Roll by KAYYO and Grapple Flow are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Roll by KAYYO or Grapple Flow have ads?

Roll by KAYYO shows ads; Grapple Flow does not.

### Which is updated more often, Roll by KAYYO or Grapple Flow?

Roll by KAYYO ships an update monthly, and Grapple Flow every 3 weeks. Most recently, Roll by KAYYO was updated on October 15, 2026 and Grapple Flow on October 10, 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.*