# GPS Speedometer Odometer vs TrailMark

GPS Speedometer Odometer and TrailMark are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. GPS Speedometer Odometer sells 6 one-off in-app purchases and TrailMark sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | GPS Speedometer Odometer | TrailMark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (10 ratings)](https://appshunter.io/ios/app/gps-speedometer-odometer/id6759859033/reviews)** | — |
| Number of ratings | **10** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 8 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mahmoud Alkammar](https://appshunter.io/developer/1783078506) | [Brandon Romero](https://appshunter.io/developer/1891387344) |

## What reviewers say

### GPS Speedometer Odometer

[App page](https://appshunter.io/ios/app/gps-speedometer-odometer/id6759859033)

This app transforms your device into a precise speedometer and trip tracker for various activities like driving, cycling, and boating. It offers real-time speed, distance tracking, odometer readings, and customizable dashboard designs. Enjoy a clean interface with optional premium skins.

**Highlights:** Real-time GPS speed, Odometer and trip distance, Trip history with stats, HUD mode for windshield reflection, Speed alerts, Multiple speed units (mph, km/h, knots), Customizable dashboard skins

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Porsche Dashboard | $4.99 | one-time |
| Ferrari Dashboard | $4.99 | one-time |
| Volcano Dashboard | $4.99 | one-time |
| Lexus Dashboard | $4.99 | one-time |
| Camaro Dashboard | $4.99 | one-time |
| All Dashboards | $14.99 | one-time |


### TrailMark

[App page](https://appshunter.io/ios/app/trailmark-find-way-back/id6777787069)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TrailMark Pro | $9.99 | one-time |


## Frequently asked questions

### Is GPS Speedometer Odometer free?

GPS Speedometer Odometer is free to download, with in-app purchases available.

### Is TrailMark free?

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

### Do GPS Speedometer Odometer or TrailMark have ads?

Neither GPS Speedometer Odometer nor TrailMark shows ads.

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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.*