# SAL SPU-100

> SAL SPU-100 (iPhone/iPad app by Smart Marine Technologies.)

- Source: https://appshunter.io/ios/app/sal-spu-100/id6479996680 (this page in markdown: same URL + `.md`)
- Developer: [Smart Marine Technologies](https://appshunter.io/developer/1737810226)
- Category: Developer Tools, Navigation
- Price: Free
- Age rating: 4+
- Requires: iOS 12.4 · 55 MB
- Languages: American English
- Released: 2024-04-14
- Data updated: 2026-08-20
- User reviews in markdown: https://appshunter.io/ios/app/sal-spu-100/id6479996680/reviews.md

## What is SAL SPU?

The SAL SPU-100 application is engineered to facilitate direct interaction with the SAL Navigation SPU-100 device via WiFi. SPU-100 will send NMEA strings via UDP broadcast and app will decode receive UDP data and will shown on the screen.

Core Functionalities:

    Installation Verification: Enables technicians to confirm the proper alignment and setup of the SAL Navigation SPU-100 device, critical for ensuring operational accuracy and reliability.

    Sensor Diagnostics: Offers comprehensive diagnostics for all connected sensors, allowing engineers to verify real-time connectivity and functionality, thus ensuring the integrity of the navigation system's inputs.

    Live Data Feedback: Provides real-time data visualization and monitoring capabilities, essential for on-the-spot analysis and decision-making. This includes detailed positional information, sensor data, and system status indicators.

Application Utility:

SAL SPU-100 application is an indispensable resource for ensuring the precise calibration and operation of the SAL Navigation SPU-100 system. By providing detailed technical insights and real-time operational data, the application empowers professionals to maintain the highest standards of accuracy and reliability in their navigational solutions.


## Version history (last 5 releases)

### 1.0.9 — 2026-06-08

- Version check added

### 1.0.7 — 2026-06-05

- Internet connection control removed

### 1.0.6 — 2026-05-23

- Sensor status indicators now use standard timeouts instead of instant switching
  - Smooth UTC clock display synced with GPS, no more freezing or jumping

### 1.0.5 — 2026-05-05

- Wifi check updated 
- Bug fix

### 1.0.4 — 2026-04-11

Improved stablity & bug fixes.

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## More apps by Smart Marine Technologies

- [Sealink Smeat](https://appshunter.io/ios/app/sealink-smeat/id6746714726)
- [SAL SPU-200](https://appshunter.io/ios/app/sal-spu-200/id6748338014)

All apps by Smart Marine Technologies: https://appshunter.io/developer/1737810226

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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 2026-08-20.*