# Prince William County DFR vs OnERcall

The clearest difference is monetization model: Prince William County DFR at free against OnERcall's free with in-app purchases. OnERcall's advantage is update cadence (every 6 weeks vs every 7 months) and ratings volume (14 vs 2). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Prince William County DFR against 5.0 for OnERcall. That said, the two scores are not equally well evidenced: OnERcall has 14 ratings behind it against 2, so its average is the more settled of the two.

Prince William County DFR ships an update every 7 months, OnERcall every 6 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Prince William County DFR | OnERcall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/prince-william-county-dfr/id1179673006/reviews) | [5.0 (14 ratings)](https://appshunter.io/ios/app/onercall/id1544404583/reviews) |
| Number of ratings | 2 | **14** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 28 MB | 125 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Acid Remap LLC](https://appshunter.io/developer/323130617) | [OnERcall](https://appshunter.io/developer/1544404585) |

## What reviewers say

### Prince William County DFR

[App page](https://appshunter.io/ios/app/prince-william-county-dfr/id1179673006)

Access Prince William County, VA Fire Department EMS protocols and supporting materials offline. Quickly search and find protocols, save favorites, and add custom notes. Stay updated with the latest protocols and hospital information.

**Highlights:** Offline protocol access, Indexed protocol lookup, Title and text search, Favorites tab, Customizable hospital info, Customizable notes

**In-app purchases:** none


### OnERcall

[App page](https://appshunter.io/ios/app/onercall/id1544404583)

Connect with a US-licensed Emergency Medicine Physician 24/7 for non-severe medical concerns. Get quick answers, diagnoses, and prescriptions without insurance or monthly fees. Avoid ER visits for minor issues.

**Highlights:** 24/7 physician access, Video and audio consultations, Diagnosis and treatment plans, Prescription services, HIPAA compliant, Flat fee per visit

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Prince William County DFR free?

Prince William County DFR is free to download, with no in-app purchases.

### Is OnERcall free?

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

### Which has better reviews, Prince William County DFR or OnERcall?

Prince William County DFR and OnERcall are both rated 5.0 out of 5 on the App Store, from 2 and 14 ratings respectively.

### Do Prince William County DFR or OnERcall have ads?

Neither Prince William County DFR nor OnERcall shows ads.

### Which is updated more often, Prince William County DFR or OnERcall?

Prince William County DFR ships an update every 7 months, and OnERcall every 6 weeks. Most recently, Prince William County DFR was updated on November 3, 2026 and OnERcall 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.*