# Sensor Data Recorder vs Accelerometer ∞

The clearest difference is rating: Accelerometer ∞ at 4.3 against Sensor Data Recorder's 3.0. Accelerometer ∞ also leads on update cadence (every 2 weeks vs every 26 months) and ratings volume (61 vs 2). Sensor Data Recorder's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, review sentiment and device support there is nothing between them.

Both are free to download. Accelerometer ∞ sells 2 in-app purchases, starting at $1.99 per month. Sensor Data Recorder asks for nothing beyond the download.

Accelerometer ∞ holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: Accelerometer ∞ has 61 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 50% and 50% positive.

Sensor Data Recorder ships an update every 26 months, Accelerometer ∞ every 2 weeks. The most recent releases landed on September 27, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Sensor Data Recorder | Accelerometer ∞ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/sensor-data-recorder/id1438400138/reviews) | **[4.3 (61 ratings)](https://appshunter.io/ios/app/accelerometer/id6621273087/reviews)** |
| Number of ratings | 2 | **61** |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 26 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 16 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nils Ackermann](https://appshunter.io/developer/1308556492) | [Fawkes Wei](https://appshunter.io/developer/432767536) |

## What reviewers say

### 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


### Accelerometer ∞

[App page](https://appshunter.io/ios/app/accelerometer/id6621273087)

Visualize device motion data in real-time with dynamic graphs. Analyze sensor information, calibrate your device, and explore various possibilities. This utility app offers a unique perspective on your device's movement.

**Highlights:** Real-time motion data visualization, Stunning graph displays, Sensor calibration, Data analysis, Explore endless possibilities

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Sensor Data Recorder free?

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

### Is Accelerometer ∞ free?

Accelerometer ∞ is free to download, with in-app purchases available.

### Which has better reviews, Sensor Data Recorder or Accelerometer ∞?

Accelerometer ∞ is rated higher. Sensor Data Recorder averages 3.0 out of 5 from 2 ratings, while Accelerometer ∞ averages 4.3 from 61 ratings.

### Do Sensor Data Recorder or Accelerometer ∞ have ads?

Accelerometer ∞ shows ads; Sensor Data Recorder does not.

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

Sensor Data Recorder ships an update every 26 months, and Accelerometer ∞ every 2 weeks. Most recently, Sensor Data Recorder was updated on September 27, 2026 and Accelerometer ∞ on September 25, 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.*