# iRoll BJJ vs Train Olm

The clearest difference is in-app purchases: Train Olm at none against iRoll BJJ's 2. Train Olm also leads on iOS requirement (15.1 vs 18.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. iRoll BJJ sells 2 in-app purchases, starting at $5.99 per month. Train Olm asks for nothing beyond the download.

iRoll BJJ ships an update every 3 weeks, Train Olm every 2 weeks. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | iRoll BJJ | Train Olm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/train-olm/id6779409249/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 13 MB | 40 MB |
| Requires iOS | 18.1 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [iRoll Ltd](https://appshunter.io/developer/1872807713) | [Kevin Lee](https://appshunter.io/developer/6779409251) |

## What reviewers say

### iRoll BJJ

[App page](https://appshunter.io/ios/app/iroll-bjj/id6758413105)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iRoll BJJ Monthly | $5.99 | per month |
| iRoll BJJ Annual | $49.99 | per year |


### Train Olm

[App page](https://appshunter.io/ios/app/train-olm/id6779409249)

This AI-powered training partner helps martial artists track progress, identify strengths and weaknesses, and build personalized training plans. It analyzes session notes to map your game and suggests specific techniques to improve.

**Highlights:** AI-driven session analysis, 8-axis game radar visualization, Personalized training plan generation, Technique mastery tracking, Shareable game plan creation, Anonymous global game comparison, Injury-aware training adjustments

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

**In-app purchases:** none


## Frequently asked questions

### Is iRoll BJJ free?

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

### Is Train Olm free?

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

### Do iRoll BJJ or Train Olm have ads?

Neither iRoll BJJ nor Train Olm shows ads.

### Which is updated more often, iRoll BJJ or Train Olm?

iRoll BJJ ships an update every 3 weeks, and Train Olm every 2 weeks. Most recently, iRoll BJJ was updated on October 15, 2026 and Train Olm on October 9, 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.*