# Sensor Logger vs Server Checker

The clearest difference is update cadence: Server Checker at every 2 days against Sensor Logger's weekly. Sensor Logger's advantage is device support (3 vs 1) and iOS requirement (16.4 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Sensor Logger sells 6 in-app purchases, starting at $4.99 per month and Server Checker sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Sensor Logger ships an update weekly, Server Checker every 2 days. The most recent releases landed on September 23, 2026 and June 24, 2026 respectively.

## The numbers

| Metric | Sensor Logger | Server Checker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (111 ratings)](https://appshunter.io/ios/app/sensor-logger/id1531582925/reviews)** | — |
| Number of ratings | **111** | — |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 81 MB | 5 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Choi Tsz Hei](https://appshunter.io/developer/1531583287) | [Clint Yarwood](https://appshunter.io/developer/1846096676) |

## 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 |


### Server Checker

[App page](https://appshunter.io/ios/app/server-checker/id6754116717)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $1.99 | one-time |
| Buy me a coffee | $2.99 | one-time |


## Frequently asked questions

### Is Sensor Logger free?

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

### Is Server Checker free?

Server Checker is free to download, with in-app purchases available.

### Do Sensor Logger or Server Checker have ads?

Neither Sensor Logger nor Server Checker shows ads.

### Which is updated more often, Sensor Logger or Server Checker?

Sensor Logger ships an update weekly, and Server Checker every 2 days. Most recently, Sensor Logger was updated on September 23, 2026 and Server Checker on June 24, 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.*