# DirtOS vs PRD Phantom Trace

The clearest difference is update cadence: PRD Phantom Trace at every 3 days against DirtOS's fortnightly. DirtOS's advantage is chart position (#196 vs unranked). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. DirtOS sells 1 in-app purchase, starting at $49.99 per year and PRD Phantom Trace sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

DirtOS ships an update fortnightly, PRD Phantom Trace every 3 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | DirtOS | PRD Phantom Trace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/dirtos/id6757966180/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Freemium | — |
| Best chart rank | **#196** | — |
| Size | 153 MB | 51 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Sean Jeffrey Connell](https://appshunter.io/developer/1808021277) | [daniel garcia](https://appshunter.io/developer/6813643743) |

## What reviewers say

### DirtOS

[App page](https://appshunter.io/ios/app/dirtos/id6757966180)

**Currently charting:** #196 Top Grossing · Navigation (US App Store)

Navigate off-road and backcountry with specialized GPS tools. Import routes, receive audio cues, and track groups live, even offline. Designed for use in challenging conditions with customizable quick keys.

**Highlights:** Import GPX routes, Turn-by-turn audio navigation, Next 3 waypoints display, Quick Keys for on-the-fly waypoint marking, Live and offline group tracking, Works offline with downloaded maps, 3D flyover route preview

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PreRun Pro | $49.99 | per year |


### PRD Phantom Trace

[App page](https://appshunter.io/ios/app/prd-phantom-trace/id6813643741)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Phantom Trace Basic | $7.99 | per month |
| Phantom Trace Pro | $14.99 | per month |


## Frequently asked questions

### Is DirtOS free?

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

### Is PRD Phantom Trace free?

PRD Phantom Trace is free to download, with in-app purchases available.

### Do DirtOS or PRD Phantom Trace have ads?

Neither DirtOS nor PRD Phantom Trace shows ads.

### Which is updated more often, DirtOS or PRD Phantom Trace?

DirtOS ships an update fortnightly, and PRD Phantom Trace every 3 days. Most recently, DirtOS was updated on October 25, 2026 and PRD Phantom Trace 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.*