# Acc Alert vs Sensor Data Recorder

The clearest difference is review sentiment: Sensor Data Recorder at 50% against Acc Alert's 0%. Sensor Data Recorder also leads on price (Free vs $0.99) and rating (3.0 vs 1.0). Acc Alert's advantage is iOS requirement (11.0 vs 14.0). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Sensor Data Recorder is free to download; Acc Alert costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sensor Data Recorder holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 0% of Acc Alert's written reviews are positive against 50% of Sensor Data Recorder's.

Acc Alert ships an update every 14 months, Sensor Data Recorder every 26 months. The most recent releases landed on September 18, 2026 and June 6, 2026 respectively.

## The numbers

| Metric | Acc Alert | Sensor Data Recorder |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/acc-alert/id503597444/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/sensor-data-recorder/id1438400138/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 14 months** | Every 26 months |
| Monetization | Paid | **Free** |
| Size | 5 MB | 8 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Nils Ackermann](https://appshunter.io/developer/1308556492) |

## What reviewers say

### Acc Alert

[App page](https://appshunter.io/ios/app/acc-alert/id503597444)

Monitor device motion and receive alerts when acceleration surpasses a user-set threshold. This utility app helps track sudden movements.

**Highlights:** Motion force monitoring, Customizable acceleration limits, Alerts for exceeding limits, Device motion tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Acc Alert free?

Acc Alert costs $0.99, with no in-app purchases.

### Is Sensor Data Recorder free?

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

### Which has better reviews, Acc Alert or Sensor Data Recorder?

Sensor Data Recorder is rated higher. Acc Alert averages 1.0 out of 5 from 1 ratings, while Sensor Data Recorder averages 3.0 from 2 ratings.

### Do Acc Alert or Sensor Data Recorder have ads?

Neither Acc Alert nor Sensor Data Recorder shows ads.

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

Acc Alert ships an update every 14 months, and Sensor Data Recorder every 26 months. Most recently, Acc Alert was updated on September 18, 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.*