# ThunDroid AI vs MEFlow

The clearest difference is in-app purchases: MEFlow at none against ThunDroid AI's 1. MEFlow also leads on device support (3 vs 1) and iOS requirement (15.5 vs 17.6). On price, update cadence and ads there is nothing between them.

Both are free to download. ThunDroid AI sells 1 in-app purchase, starting at $12.99 per month. MEFlow asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | ThunDroid AI | MEFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/meflow-calming-neurofeedback/id6756198587/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Freemium | **Free** |
| Size | 32 MB | 332 MB |
| Requires iOS | 17.6 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Aetherrax Technologies](https://appshunter.io/developer/1811867367) | [MindExtend AI LLC](https://appshunter.io/developer/1859083151) |

## What reviewers say

### ThunDroid AI

[App page](https://appshunter.io/ios/app/thundroid-ai/id6746182736)

This app offers AI-powered mental wellness support, integrating CBT, DBT, and ACT therapy frameworks. It features guided breathing exercises, an intelligent journal, and a live voice mode for real-time interaction, all designed to help manage stress and emotions.

**Highlights:** AI-powered CBT, DBT, ACT therapy frameworks, Stanford-validated cyclic sighing stress reset, 13 guided breathing techniques, Live voice mode for AI interaction, Intelligent journal with 15 templates, On-device AES-256 encryption for privacy

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ThunDroid Membership | $12.99 | per month |


### MEFlow

[App page](https://appshunter.io/ios/app/meflow-calming-neurofeedback/id6756198587)

This app uses EEG headbands to create immersive relaxation experiences with adaptive audio and visuals that respond to your brain activity. It offers mind-to-mind communication and smart home integration for a unique wellness journey.

**Highlights:** EEG-powered adaptive audio and visuals, Mind-to-mind communication, Smart home lighting integration, Living nature relaxation scenes, Adaptive ASMR and brown noise, Pomodoro-style timer, Calm statistics tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is ThunDroid AI free?

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

### Is MEFlow free?

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

### Do ThunDroid AI or MEFlow have ads?

Neither ThunDroid AI nor MEFlow shows ads.

### Which is updated more often, ThunDroid AI or MEFlow?

ThunDroid AI ships an update every 2 weeks, and MEFlow every 2 weeks. Most recently, ThunDroid AI was updated on November 5, 2026 and MEFlow on November 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.*