# GrappleKit vs Roll by KAYYO

The clearest difference is in-app purchases: GrappleKit at none against Roll by KAYYO's 2. GrappleKit also leads on ads (none vs shown) and update cadence (every 6 days vs monthly). Roll by KAYYO's advantage is iOS requirement (15.1 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Roll by KAYYO sells 2 in-app purchases, starting at $4.99 per month. GrappleKit asks for nothing beyond the download.

GrappleKit ships an update every 6 days, Roll by KAYYO monthly. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | GrappleKit | Roll by KAYYO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/roll-by-kayyo/id6760706628/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 46 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Flowprimo LLC](https://appshunter.io/developer/1883326199) | [Power Punch Technologies Inc](https://appshunter.io/developer/1635789598) |

## What reviewers say

### GrappleKit

[App page](https://appshunter.io/ios/app/grapplekit/id6760220093)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is GrappleKit free?

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

### Is Roll by KAYYO free?

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

### Do GrappleKit or Roll by KAYYO have ads?

Roll by KAYYO shows ads; GrappleKit does not.

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

GrappleKit ships an update every 6 days, and Roll by KAYYO monthly. Most recently, GrappleKit was updated on October 16, 2026 and Roll by KAYYO 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.*