# Rocos3.0, 로코스3.0 vs LLTrainer

The clearest difference is in-app purchases: Rocos3.0, 로코스3.0 at none against LLTrainer's 1. Rocos3.0, 로코스3.0 also leads on iOS requirement (11.0 vs 26.2). LLTrainer's advantage is update cadence (every 3 months vs every 26 months). On price, ads and device support there is nothing between them.

Both are free to download. LLTrainer sells 1 one-off in-app purchase. Rocos3.0, 로코스3.0 asks for nothing beyond the download.

Rocos3.0, 로코스3.0 ships an update every 26 months, LLTrainer every 3 months. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Rocos3.0, 로코스3.0 | LLTrainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 3 months** |
| Size | 130 MB | 2 MB |
| Requires iOS | **11.0** | 26.2 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Life &Science Co.,Ltd.](https://appshunter.io/developer/1121866034) | [Tatsuya Yamaguchi](https://appshunter.io/developer/447542345) |

## What reviewers say

### Rocos3.0, 로코스3.0

[App page](https://appshunter.io/ios/app/rocos30-30/id1525819461)

**Features:** macOS Compatibility

**In-app purchases:** none


### LLTrainer

[App page](https://appshunter.io/ios/app/lltrainer/id6760694380)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Full Access | $3.99 | one-time |


## Frequently asked questions

### Is Rocos3.0, 로코스3.0 free?

Rocos3.0, 로코스3.0 is free to download, with no in-app purchases.

### Is LLTrainer free?

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

### Do Rocos3.0, 로코스3.0 or LLTrainer have ads?

Neither Rocos3.0, 로코스3.0 nor LLTrainer shows ads.

### Which is updated more often, Rocos3.0, 로코스3.0 or LLTrainer?

Rocos3.0, 로코스3.0 ships an update every 26 months, and LLTrainer every 3 months. Most recently, Rocos3.0, 로코스3.0 was updated on October 7, 2026 and LLTrainer on October 8, 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.*