# Sensor Logger vs REEFER ALARM

The clearest difference is price: Sensor Logger at Free against REEFER ALARM's $4.99. Sensor Logger also leads on review sentiment (44% vs 0%). REEFER ALARM's advantage is in-app purchases (none vs 6). On ads, device support and iOS requirement there is nothing between them.

Sensor Logger is free to download; REEFER ALARM costs $4.99 up front. Sensor Logger sells 6 in-app purchases, starting at $4.99 per month. REEFER ALARM asks for nothing beyond the download.

## The numbers

| Metric | Sensor Logger | REEFER ALARM |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.8 (111 ratings)](https://appshunter.io/ios/app/sensor-logger/id1531582925/reviews)** | — |
| Number of ratings | **111** | — |
| Positive reviews | **44.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 81 MB | 3 MB |
| Requires iOS | 16.4 | **15.2** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Choi Tsz Hei](https://appshunter.io/developer/1531583287) | [Oleksii Nezhalskyi](https://appshunter.io/developer/1687730603) |

## 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 |


### REEFER ALARM

[App page](https://appshunter.io/ios/app/reefer-alarm/id6450057137)

This utility app provides descriptions for reefer container alarms. It supports major brands like Daikin, Thermoking, and Carrier, offering quick access to alarm codes and their meanings.

**Highlights:** Reefer container alarm descriptions, Supports Daikin, Supports Thermoking, Supports Carrier, Quick access to alarm codes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sensor Logger free?

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

### Is REEFER ALARM free?

REEFER ALARM costs $4.99, with no in-app purchases.

### Do Sensor Logger or REEFER ALARM have ads?

Neither Sensor Logger nor REEFER ALARM shows ads.

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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.*