# Sensor Logs vs Sideos Transponder

The clearest difference is price: Sideos Transponder at Free against Sensor Logs's $0.99. Sideos Transponder also leads on update cadence (every 2 months vs every 88 months) and iOS requirement (13.0 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

Sideos Transponder is free to download; Sensor Logs costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sensor Logs ships an update every 88 months, Sideos Transponder every 2 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Sensor Logs | Sideos Transponder |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sensor-logs/id1200504481/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 88 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 3 MB | 74 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Joe Crozier Software](https://appshunter.io/developer/493092478) | [sideos GmbH](https://appshunter.io/developer/1611001160) |

## What reviewers say

### Sensor Logs

[App page](https://appshunter.io/ios/app/sensor-logs/id1200504481)

Stream real-time sensor data from your iOS device to a local server using socket.io or HTTP requests. This utility app is designed for developers to monitor their surroundings with minimal interface and adjustable streaming periods.

**Highlights:** Stream accelerometer, gyroscope, magnetometer data, Adjustable streaming period, HTTP and socket.io protocols, Minimal user interface, Developer-focused utility

**Features:** macOS Compatibility

**In-app purchases:** none


### Sideos Transponder

[App page](https://appshunter.io/ios/app/sideos-transponder/id1611001158)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sensor Logs free?

Sensor Logs costs $0.99, with no in-app purchases.

### Is Sideos Transponder free?

Sideos Transponder is free to download, with no in-app purchases.

### Do Sensor Logs or Sideos Transponder have ads?

Neither Sensor Logs nor Sideos Transponder shows ads.

### Which is updated more often, Sensor Logs or Sideos Transponder?

Sensor Logs ships an update every 88 months, and Sideos Transponder every 2 months. Most recently, Sensor Logs was updated on October 24, 2026 and Sideos Transponder on October 27, 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.*