# Sensor Logger vs Pro Motion Detector

The clearest difference is in-app purchases: Pro Motion Detector at none against Sensor Logger's 6. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sensor Logger sells 6 in-app purchases, starting at $4.99 per month. Pro Motion Detector asks for nothing beyond the download.

Sensor Logger ships an update weekly, Pro Motion Detector every 9 days. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Sensor Logger | Pro Motion Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (112 ratings)](https://appshunter.io/ios/app/sensor-logger/id1531582925/reviews)** | — |
| Number of ratings | **112** | — |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 81 MB | 43 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Logger Labs LTD](https://appshunter.io/developer/1531583287) | [Motion Diagnostique Limited](https://appshunter.io/developer/1896008701) |

## 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 |


### Pro Motion Detector

[App page](https://appshunter.io/ios/app/pro-motion-detector/id6775535077)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sensor Logger free?

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

### Is Pro Motion Detector free?

Pro Motion Detector is free to download, with no in-app purchases.

### Do Sensor Logger or Pro Motion Detector have ads?

Neither Sensor Logger nor Pro Motion Detector shows ads.

### Which is updated more often, Sensor Logger or Pro Motion Detector?

Sensor Logger ships an update weekly, and Pro Motion Detector every 9 days. Most recently, Sensor Logger was updated on October 10, 2026 and Pro Motion Detector on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*