# GPS Speedometer vs Sentrax Device Manager

The clearest difference is in-app purchases: Sentrax Device Manager at none against GPS Speedometer's 4. Sentrax Device Manager also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. GPS Speedometer sells 4 in-app purchases, starting at $6.99 per 7 days. Sentrax Device Manager asks for nothing beyond the download.

GPS Speedometer ships an update every 13 months, Sentrax Device Manager every 26 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | GPS Speedometer | Sentrax Device Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (19 ratings)](https://appshunter.io/ios/app/gps-speedometer-track-speed/id6443875942/reviews)** | — |
| Number of ratings | **19** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 13 months** | Every 26 months |
| Monetization | Free with in-app purchases | — |
| Size | 65 MB | 34 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Bhavik Savaliya](https://appshunter.io/developer/668085657) | [Sentrax GmbH](https://appshunter.io/developer/1705666462) |

## What reviewers say

### GPS Speedometer

[App page](https://appshunter.io/ios/app/gps-speedometer-track-speed/id6443875942)

This app measures your vehicle's speed and tracks total distance traveled. It offers customizable themes, a compass, and trip history with detailed statistics. Features include manual or automatic trip control and a Heads-Up Display mode.

**Highlights:** Measures speed in mph, km/h, and knots, Tracks total distance traveled, Customizable digital and analog themes, Compass for direction heading, Trip history with statistics, Manual and automatic trip control, Heads-Up Display (HUD) mode

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GPS Speedometer One Week | $6.99 | per 7 days |
| GPS Speedometer One Month | $17.99 | per month |
| GPS Speedometer One Year | $44.99 | per year |
| Speedometer and Odometer Pro | $4.99 | one-time |


### Sentrax Device Manager

[App page](https://appshunter.io/ios/app/sentrax-device-manager/id6464280781)

**In-app purchases:** none


## Frequently asked questions

### Is GPS Speedometer free?

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

### Is Sentrax Device Manager free?

Sentrax Device Manager is free to download, with no in-app purchases.

### Do GPS Speedometer or Sentrax Device Manager have ads?

GPS Speedometer shows ads; Sentrax Device Manager does not.

### Which is updated more often, GPS Speedometer or Sentrax Device Manager?

GPS Speedometer ships an update every 13 months, and Sentrax Device Manager every 26 months. Most recently, GPS Speedometer was updated on October 27, 2026 and Sentrax Device Manager on October 30, 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.*