# Reaction RMO Pro vs MetaBrain ChatBot

The clearest difference is price: MetaBrain ChatBot at Free against Reaction RMO Pro's $1.99. MetaBrain ChatBot also leads on update cadence (monthly vs every 4 months) and iOS requirement (12.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

MetaBrain ChatBot is free to download; Reaction RMO Pro costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Reaction RMO Pro ships an update every 4 months, MetaBrain ChatBot monthly. Both last shipped on November 3, 2026.

## The numbers

| Metric | Reaction RMO Pro | MetaBrain ChatBot |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/metabrain-chatbot/id6444725829/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | — | Free |
| Size | 1 MB | 28 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Viacheslav Romanenko](https://appshunter.io/developer/1046372418) | [GenoEmote LLC](https://appshunter.io/developer/1656423339) |

## What reviewers say

### Reaction RMO Pro

[App page](https://appshunter.io/ios/app/reaction-rmo-pro/id1666660660)

**Features:** Vision Pro support

**In-app purchases:** none


### MetaBrain ChatBot

[App page](https://appshunter.io/ios/app/metabrain-chatbot/id6444725829)

This app helps you identify and transform ingrained reactive patterns, or mindsets, that influence your automatic responses. It guides you in shifting from undesired thought processes to personally selected ones, enabling you to modify behaviors and achieve desired outcomes.

**Highlights:** Identify foundational mindsets, Transform automatic reactions, Shift to desired mindsets, Alter thoughts, emotions, behaviors, Utilizes lie-detection wearable integration, Facilitates purposeful mindset modification

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Reaction RMO Pro free?

Reaction RMO Pro costs $1.99, with no in-app purchases.

### Is MetaBrain ChatBot free?

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

### Do Reaction RMO Pro or MetaBrain ChatBot have ads?

Neither Reaction RMO Pro nor MetaBrain ChatBot shows ads.

### Which is updated more often, Reaction RMO Pro or MetaBrain ChatBot?

Reaction RMO Pro ships an update every 4 months, and MetaBrain ChatBot monthly. Most recently, Reaction RMO Pro was updated on November 3, 2026 and MetaBrain ChatBot on November 3, 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.*