# SensorLog vs Sensor

The clearest difference is price: Sensor at Free against SensorLog's $2.99. Sensor also leads on in-app purchases (none vs 4). SensorLog's advantage is rating (4.4 vs 4.0) and review sentiment (69% vs 56%). On update cadence, ads and device support there is nothing between them.

Sensor is free to download; SensorLog costs $2.99 up front. SensorLog sells 4 one-off in-app purchases. Sensor asks for nothing beyond the download.

SensorLog holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: SensorLog has 40 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 69% of SensorLog's written reviews are positive against 56% of Sensor's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | SensorLog | Sensor |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.4 (40 ratings)](https://appshunter.io/ios/app/sensorlog/id388014573/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/sensor-app/id1466399692/reviews) |
| Number of ratings | **40** | 4 |
| Positive reviews | **69.0% of reviews** | 55.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#151** | — |
| Size | 4 MB | 40 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Bernd Thomas](https://appshunter.io/developer/385441510) | [Volker Schmitt](https://appshunter.io/developer/1466399691) |

## What reviewers say

### SensorLog

[App page](https://appshunter.io/ios/app/sensorlog/id388014573)

**Currently charting:** #151 Top Paid · Utilities (US App Store)

Record and stream sensor data from your iPhone, iPad, and Apple Watch. Export data in CSV or JSON format, or send it via TCP, UDP, or HTTP requests. Integrates with Core ML models for advanced analysis.

**Highlights:** Log sensor data up to 100Hz, Stream data via TCP/UDP or HTTP, Export data as CSV or JSON, Remote client/server functionality, Siri and Shortcuts integration, Core ML model support, HealthKit data export from Apple Watch

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a Coffee ... | $0.99 | one-time |
| Spend me an Ice Cream ... | $1.99 | one-time |
| Offer me a glas of Wine ... | $5.99 | one-time |
| Invite me for a Cocktail ... | $9.99 | one-time |


### Sensor

[App page](https://appshunter.io/ios/app/sensor-app/id1466399692)

Access and utilize all your device's sensors with this comprehensive tool. Explore GPS, gyroscope, acceleration, magnetometer, altimeter, and attitude data for various applications and research.

**Highlights:** Access GPS for precise location, Utilize gyroscope for orientation, Measure acceleration and movement, Detect magnetic fields with magnetometer, Access altimeter and pressure data, Monitor device attitude (roll, pitch, yaw)

**In-app purchases:** none


## Frequently asked questions

### Is SensorLog free?

SensorLog costs $2.99, and also offers in-app purchases.

### Is Sensor free?

Sensor is free to download, with no in-app purchases.

### Which has better reviews, SensorLog or Sensor?

SensorLog is rated higher. SensorLog averages 4.4 out of 5 from 40 ratings, while Sensor averages 4.0 from 4 ratings.

### Do SensorLog or Sensor have ads?

Neither SensorLog nor Sensor shows ads.

### Which is updated more often, SensorLog or Sensor?

SensorLog ships an update every 2 months, and Sensor every 2 months. Most recently, SensorLog was updated on September 21, 2026 and Sensor on September 10, 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.*