# bacbus — BACnet and Modbus for mobile

> BACnet and Modbus for mobile (iPhone/iPad app by Harness Automation, LLC.)

- Source: https://appshunter.io/ios/app/bacbus/id6773854922 (this page in markdown: same URL + `.md`)
- Developer: [Harness Automation, LLC](https://appshunter.io/developer/1666343374)
- Category: Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 8 MB
- Languages: American English
- Released: 2026-06-03
- Data updated: 2026-06-10
- User reviews in markdown: https://appshunter.io/ios/app/bacbus/id6773854922/reviews.md

## What is bacbus?

BacBus puts a BACnet/IP and Modbus/TCP toolkit in your pocket.

  Whether you're commissioning a new install, troubleshooting a rooftop unit, or verifying a controller in the field, BacBus connects you to your building network in seconds — no laptop, no proprietary gateway, no clunky
  software.

  DISCOVER
  Scan your network and find BACnet/IP devices instantly. BacBus reads the objects other tools miss — where some scanners come back empty, BacBus pulls the full object list so you can see exactly what's on the wire.

  READ
  Poll live values from any point. Watch present-value, status flags, units, and object names update in real time. Read is always free.
  
  CONTROL (Pro)
  Write to points and command overrides right from your phone. Test a damper, force a setpoint, or verify a sequence on site — no truck roll back to the laptop.

  MODBUS/TCP
  Connect to any Modbus/TCP device, scan registers, and read or write coils and holding registers. Works with sparse and non-standard register maps.

  BUILT FOR THE FIELD
  • Fast, native interface that works on cellular or site Wi-Fi
  • No account required to start scanning and reading
  • Handles real-world devices from major manufacturers
  • Designed by a controls integrator, for controls integrators
  
  FREE TO START
  Scan and read as much as you want, free. Unlock point control (writes and overrides) with a single one-time purchase — no subscription.

  Download BacBus and turn your phone into the only field tool you'll reach for.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| BacBus Pro | $29.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-06-03

No release notes.

## More apps by Harness Automation, LLC

- [GEM Controller](https://appshunter.io/ios/app/gem-controller/id6763400332)

All apps by Harness Automation, LLC: https://appshunter.io/developer/1666343374

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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 2026-06-10.*