# RTU Monitor — Serial or TCP/IP Comms

> Serial or TCP/IP Comms (iPhone/iPad app by Jeffrey Adams.)

- Source: https://appshunter.io/ios/app/rtu-monitor/id6759209868 (this page in markdown: same URL + `.md`)
- Developer: [Jeffrey Adams](https://appshunter.io/developer/1877433936)
- Category: Utilities, Productivity
- Price: $9.99
- Age rating: 4+
- Requires: iOS 26.0 · 7 MB
- Languages: English
- Released: 2026-02-25
- Data updated: 2026-07-26
- User reviews in markdown: https://appshunter.io/ios/app/rtu-monitor/id6759209868/reviews.md

## What is RTU Monitor?

RTU Monitor

RTU communication and monitoring for iOS.


    MODBUS, ROC, and BSAP Protocol support
    TCP/IP connectivity for networked environments
    Serial communication via Bluetooth Low Energy adapters
    Auto-discovery quickly finds ROC devices on your network

Powerful Monitoring Features

    Browse and read data points directly from your RTUs
    Real-time trending with customizable time ranges
    Access historical data for analysis and troubleshooting
    View and export events and alarms
    Intuitive interface designed for field operations

Built for the Field
Whether you're in the control room or on-site, RTU Monitor gives you the visibility you need. Designed for oil & gas, water/wastewater, utilities, and industrial automation professionals who need RTU access without being tethered to a laptop.

Key Capabilities:

    Automatic ROC device discovery
    Data point browsing and selection
    Live trending graphs
    Historical data retrieval
    Event log access
    Multi-protocol support (MODBUS, ROC, BSAP)
    Dual connectivity: TCP/IP and BLE serial adapters

Requirements:

    iOS device with Bluetooth capability for serial connections
    Network access for TCP/IP connections
    Compatible ROC or MODBUS RTU devices


## Version history (last 4 releases)

### 1.5 — 2026-05-29

Updated ROC TLPs

### 1.4 — 2026-04-02

Fixed BSAP Serial connection, and BSAP TS/NRT Issue

### 1.2 — 2026-03-11

Added support for BSAP protocol.

### 1.0 — 2026-02-25

No release notes.

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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 2026-07-26.*