# SensorLog vs Sensor Data Recorder

The clearest difference is price: Sensor Data Recorder at Free against SensorLog's $2.99. Sensor Data Recorder also leads on in-app purchases (none vs 4) and iOS requirement (14.0 vs 18.0). SensorLog's advantage is rating (4.4 vs 3.0) and update cadence (every 2 months vs every 26 months). On ads and device support there is nothing between them.

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

SensorLog holds the better App Store score, 4.4 against 3.0. That said, the two scores are not equally well evidenced: SensorLog has 40 ratings behind it against 2, 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 50% of Sensor Data Recorder's.

SensorLog ships an update every 2 months, Sensor Data Recorder every 26 months. The most recent releases landed on September 21, 2026 and June 6, 2026 respectively.

## The numbers

| Metric | SensorLog | Sensor Data Recorder |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.4 (40 ratings)](https://appshunter.io/ios/app/sensorlog/id388014573/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/sensor-data-recorder/id1438400138/reviews) |
| Number of ratings | **40** | 2 |
| Positive reviews | **69.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 26 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#135** | — |
| Size | 4 MB | 8 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bernd Thomas](https://appshunter.io/developer/385441510) | [Nils Ackermann](https://appshunter.io/developer/1308556492) |

## What reviewers say

### SensorLog

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

**Currently charting:** #135 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 Data Recorder

[App page](https://appshunter.io/ios/app/sensor-data-recorder/id1438400138)

This utility app records gyroscope, accelerometer, and audio data from your device. Export your recorded data as CSV or M4A files for further processing, particularly for machine learning applications. Your data remains private and is only accessible on your device.

**Highlights:** Record gyroscope and accelerometer data, Record audio simultaneously, Label recordings for ML workflow, Adjust data capture frequency, Download or email data, Export as CSV and M4A

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SensorLog free?

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

### Is Sensor Data Recorder free?

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

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

SensorLog is rated higher. SensorLog averages 4.4 out of 5 from 40 ratings, while Sensor Data Recorder averages 3.0 from 2 ratings.

### Do SensorLog or Sensor Data Recorder have ads?

Neither SensorLog nor Sensor Data Recorder shows ads.

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

SensorLog ships an update every 2 months, and Sensor Data Recorder every 26 months. Most recently, SensorLog was updated on September 21, 2026 and Sensor Data Recorder on June 6, 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.*