# Hub Service Tool — Epicyclic hub servicing tool

> Epicyclic hub servicing tool (iPhone/iPad app by Hub Service Tool LTD.)

- Source: https://appshunter.io/ios/app/hub-service-tool/id6817521058 (this page in markdown: same URL + `.md`)
- Developer: [Hub Service Tool LTD](https://appshunter.io/developer/6817521060)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 36 MB
- Languages: American English
- Released: 2026-10-13
- Data updated: 2026-10-15

## What is Hub Service Tool?

Hub Service Tool™ is the companion app for the HST-1 Bluetooth angle sensor. It is designed to assist with epicyclic hub oil service procedures on commercial, plant and agricultural vehicles.

Connect your supplied HST-1 sensor to view the hub angle in real time. The app provides clear guidance as you rotate the hub towards the correct drain and fill positions.

Features
• Live Bluetooth angle readings from the HST-1 sensor
• Clear guidance towards each drain and fill position
• Visual, sound and vibration alerts when a target position is reached
• Choose from preset sounds
• Choose from various vibration patterns and intensities
• Support for different sensor mounting positions
• Simple zero calibration for accurate positioning
• Optional automatic connection to a remembered sensor
• Battery and Bluetooth connection information
• Simulation Mode for exploring the app using your phone’s internal motion sensor

Simulation Mode allows you to hold your phone vertically and tilt it to simulate sensor movement before connecting an HST-1. Readings from the dedicated HST-1 sensor are considerably smoother than readings produced by a phone’s internal accelerometer.

This app requires a compatible HST-1 sensor supplied by Hub Service Tool LTD. Other Bluetooth angle gauges and sensors are not supported.

https://www.hubservicetool.co.uk/

Always follow the relevant vehicle manufacturer’s service specifications and appropriate safety procedures when performing maintenance.

## Is Hub Service Tool safe?

Not enough ratings yet to assess Hub Service Tool.

## Is Hub Service Tool legit?

Hub Service Tool has limited verification signals. The AppsHunter Legitimacy Score for Hub Service Tool is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.0 — 2026-10-13

No release notes.

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## Related topics

[hub service tool](https://appshunter.io/ios/topics/hub-service-tool) · [hst](https://appshunter.io/ios/topics/hst)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-15.*