# PTSD Coach Explorer 2 vs Neurofix

The clearest difference is update cadence: Neurofix at every 2 weeks against PTSD Coach Explorer 2's every 6 months. PTSD Coach Explorer 2's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PTSD Coach Explorer 2 ships an update every 6 months, Neurofix every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PTSD Coach Explorer 2 | Neurofix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (13 ratings)](https://appshunter.io/ios/app/ptsd-coach-explorer-2/id6648798788/reviews)** | — |
| Number of ratings | **13** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 203 MB | 35 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Palo Alto Veterans Institute for Research](https://appshunter.io/developer/1292950620) | [Neurofix UG (haftungsbeschraenkt)](https://appshunter.io/developer/1850425197) |

## What reviewers say

### PTSD Coach Explorer 2

[App page](https://appshunter.io/ios/app/ptsd-coach-explorer-2/id6648798788)

This is a research version of a mental health tool designed for participants in specific program evaluations. Access requires an invitation code provided by an approved investigator.

**Highlights:** Research version access, Invitation code required, Program evaluation participation, NCPTSD approved projects

**Features:** macOS Compatibility

**In-app purchases:** none


### Neurofix

[App page](https://appshunter.io/ios/app/neurofix/id6754840034)

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

**In-app purchases:** none


## Frequently asked questions

### Is PTSD Coach Explorer 2 free?

PTSD Coach Explorer 2 is free to download, with no in-app purchases.

### Is Neurofix free?

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

### Do PTSD Coach Explorer 2 or Neurofix have ads?

Neither PTSD Coach Explorer 2 nor Neurofix shows ads.

### Which is updated more often, PTSD Coach Explorer 2 or Neurofix?

PTSD Coach Explorer 2 ships an update every 6 months, and Neurofix every 2 weeks. Most recently, PTSD Coach Explorer 2 was updated on October 24, 2026 and Neurofix on October 25, 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.*