# iChill vs PFA Mobile

The clearest difference is review sentiment: PFA Mobile at 100% against iChill's 68%. PFA Mobile also leads on rating (4.5 vs 4.2). iChill's advantage is update cadence (every 5 months vs every 13 months) and ratings volume (35 vs 11). 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.

PFA Mobile holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 35 and 11 respectively. Written reviews point the same way: 68% of iChill's written reviews are positive against 100% of PFA Mobile's.

iChill ships an update every 5 months, PFA Mobile every 13 months. The most recent releases landed on September 4, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | iChill | PFA Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (35 ratings)](https://appshunter.io/ios/app/ichill/id403527676/reviews) | **[4.5 (11 ratings)](https://appshunter.io/ios/app/pfa-mobile/id551079424/reviews)** |
| Number of ratings | **35** | 11 |
| Positive reviews | 68.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 13 months |
| Monetization | Free | Free |
| Size | 144 MB | 30 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Trauma Resource Institute, Inc.](https://appshunter.io/developer/403527679) | [US Department of Veterans Affairs (VA)](https://appshunter.io/developer/430646305) |

## What reviewers say

### iChill

[App page](https://appshunter.io/ios/app/ichill/id403527676)

This app teaches six wellness skills based on the Trauma Resiliency Model to help manage stress and trauma. It guides users to understand and regulate their nervous system, promoting a balanced state for better well-being. Regular practice can reduce anxiety and depression symptoms.

**Highlights:** Teaches six wellness skills, Based on Trauma Resiliency Model, Helps regulate nervous system, Promotes balanced 'Okay Zone', Reduces anxiety and depression symptoms, Suitable for all ages

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

**In-app purchases:** none


### PFA Mobile

[App page](https://appshunter.io/ios/app/pfa-mobile/id551079424)

This app assists responders in providing psychological first aid to adults, families, and children. It offers summaries of PFA fundamentals, interventions, mentor tips, a self-assessment tool, and a survivor needs form for data collection and referrals.

**Highlights:** PFA fundamentals summaries, Interventions for specific survivor needs, Mentor tips for field application, Self-assessment tool for responder readiness, Survivor needs form for data collection, Easy referral system

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iChill free?

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

### Is PFA Mobile free?

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

### Which has better reviews, iChill or PFA Mobile?

PFA Mobile is rated higher. iChill averages 4.2 out of 5 from 35 ratings, while PFA Mobile averages 4.5 from 11 ratings.

### Do iChill or PFA Mobile have ads?

Neither iChill nor PFA Mobile shows ads.

### Which is updated more often, iChill or PFA Mobile?

iChill ships an update every 5 months, and PFA Mobile every 13 months. Most recently, iChill was updated on September 4, 2026 and PFA Mobile on June 10, 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.*