# PTSD Keys vs PTSD Coach Explorer 2

The clearest difference is update cadence: PTSD Keys at every 3 weeks against PTSD Coach Explorer 2's every 6 months. PTSD Keys also leads on rating (5.0 vs 4.6). PTSD Coach Explorer 2's advantage is ratings volume (13 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

PTSD Keys holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: PTSD Coach Explorer 2 has 13 ratings behind it against 2, so its average is the more settled of the two.

PTSD Keys ships an update every 3 weeks, PTSD Coach Explorer 2 every 6 months. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PTSD Keys | PTSD Coach Explorer 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ptsd-keys/id1485058531/reviews)** | [4.6 (13 ratings)](https://appshunter.io/ios/app/ptsd-coach-explorer-2/id6648798788/reviews) |
| Number of ratings | 2 | **13** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free | Free |
| Size | 63 MB | 203 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Stress Is Gone, LLC](https://appshunter.io/developer/441715029) | [Palo Alto Veterans Institute for Research](https://appshunter.io/developer/1292950620) |

## What reviewers say

### PTSD Keys

[App page](https://appshunter.io/ios/app/ptsd-keys/id1485058531)

This app offers a three-tier solution for managing PTSD symptoms, providing instant relief, predictive reminders, and tools to process traumatic memories. It utilizes brainwave entrainment to promote relaxation and includes a complimentary membership for ongoing support and coaching.

**Highlights:** One-touch instant relief, Predictive stress reaction reminders, Meditation practice management, Traumatic memory processing tool, Brainwave entrainment for relaxation, Complimentary Stress Is Gone Membership

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is PTSD Keys free?

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

### Is PTSD Coach Explorer 2 free?

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

### Which has better reviews, PTSD Keys or PTSD Coach Explorer 2?

PTSD Keys is rated higher. PTSD Keys averages 5.0 out of 5 from 2 ratings, while PTSD Coach Explorer 2 averages 4.6 from 13 ratings.

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

Neither PTSD Keys nor PTSD Coach Explorer 2 shows ads.

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

PTSD Keys ships an update every 3 weeks, and PTSD Coach Explorer 2 every 6 months. Most recently, PTSD Keys was updated on October 14, 2026 and PTSD Coach Explorer 2 on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*