# Sensor Logger vs GPS Speedometer

Sensor Logger and GPS Speedometer both sit at 4.8 stars, but that hides the real split: 100% of GPS Speedometer's written reviews are positive against 44% of Sensor Logger's. Sensor Logger's advantage is ads (none vs shown) and update cadence (weekly vs every 3 weeks). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. Sensor Logger sells 6 in-app purchases, starting at $4.99 per month and GPS Speedometer sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Sensor Logger against 4.7 for GPS Speedometer. Both are backed by a comparable volume of ratings — 111 and 23 respectively. Written reviews are what separate them: 44% of Sensor Logger's written reviews are positive against 100% of GPS Speedometer's.

Sensor Logger ships an update weekly, GPS Speedometer every 3 weeks. Both last shipped on October 1, 2026.

## The numbers

| Metric | Sensor Logger | GPS Speedometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (111 ratings)](https://appshunter.io/ios/app/sensor-logger/id1531582925/reviews)** | [4.7 (23 ratings)](https://appshunter.io/ios/app/gps-speedometer-tracker-mph/id6747820192/reviews) |
| Number of ratings | **111** | 23 |
| Positive reviews | 44.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 81 MB | 54 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Logger Labs LTD](https://appshunter.io/developer/1531583287) | [Andrei Dziahel](https://appshunter.io/developer/1822996017) |

## What reviewers say

### Sensor Logger

[App page](https://appshunter.io/ios/app/sensor-logger/id1531582925)

This app collects and displays data from various device sensors, including motion, GPS, and audio. It offers background recording, interactive plots, and multiple export formats. Advanced features allow for data streaming, systematic data collection from other users, and creating shareable data-driven dashboards.

**Highlights:** One-tap logging, Background recording, Interactive plot visualization, Data streaming (HTTP/MQTT), CSV, JSON, Excel, KML exports, Create and share data dashboards, Systematic data collection studies

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $4.99 | per month |
| Pro Monthly | $9.99 | per month |
| Ultimate Monthly | $24.99 | per month |
| Plus Yearly | $49.99 | per year |
| Pro Yearly | $99.99 | per year |
| Ultimate Yearly | $249.99 | per year |


### GPS Speedometer

[App page](https://appshunter.io/ios/app/gps-speedometer-tracker-mph/id6747820192)

Monitor your speed and track routes with this GPS-powered tool. It offers real-time data, detailed trip history, and customizable speed limit alerts. Features include a HUD mode and Apple Watch integration for convenient use.

**Highlights:** Real-time speed and trip data, Detailed trip history with graphs, Customizable speed limit alerts, Head-Up Display (HUD) mode, Apple Watch support, PDF trip reports

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Speedometer GPS: Speed Tracker | $4.99 | per 7 days |
| Speedometer: GPS Navigation | $12.99 | per month |
| Speedometer Simple | $34.99 | per year |
| GPS Speedometer MPH Tracker | $49.99 | one-time |


## Frequently asked questions

### Is Sensor Logger free?

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

### Is GPS Speedometer free?

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

### Which has better reviews, Sensor Logger or GPS Speedometer?

Sensor Logger is rated higher. Sensor Logger averages 4.8 out of 5 from 111 ratings, while GPS Speedometer averages 4.7 from 23 ratings.

### Do Sensor Logger or GPS Speedometer have ads?

GPS Speedometer shows ads; Sensor Logger does not.

### Which is updated more often, Sensor Logger or GPS Speedometer?

Sensor Logger ships an update weekly, and GPS Speedometer every 3 weeks. Most recently, Sensor Logger was updated on October 1, 2026 and GPS Speedometer on October 1, 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.*