Comparison

Belimo Assistant 2 vs U

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Belimo Assistant 2

This app allows for the setup, operation, and troubleshooting of Belimo devices like actuators and valves using a smartphone or tablet. It offers features for checking settings, monitoring device status, and generating reports.

Highlights
  • Device setting parameter modification
  • Display identification data
  • MP-Bus, BACnet, Modbus, TCP/IP addressing
  • Guided parameter setup
  • Copy/Paste device configurations
  • Live trending and local override
  • Device health and operation monitoring
  • Digital report generation
Read full description

Belimo Assistant 2 enables wired and wireless setup, on-site operation, and troubleshooting of Belimo damper actuators, control valves, sensors and meters with smartphone and tablet. Key features: • Check and modify device setting parameters • Display identification data: device type, position, designation, serial number, bus address • Addressing (MP-Bus, BACnet, Modbus, TCP/IP) • Setup: guided parameter setup for your device • Copy/Paste configuration: replicate settings for same device type • Live Trend: perform local override and live trending with easy share function • Health: monitor overall device and operation status. E.g. Power supply, Bus state, Sensor state, etc. • Operation: monitor device KPIs with live updates • Reports: retrieve digital reports of your device with easy share function. E.g. Calibration certificate, Commissioning report • Export Device Configuration: create log file with easy share function • In-app language adjustment (EN/DE/FR/IT/ES/CN/RU/TR) Accessories: • LINK.10 (Converter USB / Bluetooth / NFC) • ZTH EU/US/AP (Service tool and Converter USB / MP-Bus) • ZIP-BT-NFC (Converter Bluetooth / NFC) Notes: • The App can be installed on iPhones or iPads with iOS 18+

About

U

This tool helps building automation professionals discover and interact with BACnet/IP devices on their local network. It allows users to scan for devices, view objects, and read properties through an intuitive interface.

Highlights
  • Automatic BACnet/IP device scanning
  • View and filter discovered devices
  • Browse device objects
  • Read device properties
  • User-friendly interface
Features
Read full description

U-BACnet is a powerful tool for discovering and interacting with BACnet/IP devices directly from your device. -Automatically scans your local network for BACnet devices -View and filter discovered devices -Browse device objects and read properties -User-friendly interface for building automation professionals Whether you're a building engineer, technician, or BACnet developer, U-BACnet helps streamline diagnostics and device discovery in the field. Privacy Policy: https://ubacnet.com/privacy-policy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Belimo Assistant 24 screens
U3 screens

Verdict

The call

The clearest difference is rating: Belimo Assistant 2 at 3.4 against U's 1.0. Belimo Assistant 2 also leads on in-app purchases (none vs 3) and ratings volume (10 vs 1). U's advantage is update cadence (every 9 days vs every 5 weeks) and iOS requirement (12.0 vs 17.0). On price, review sentiment, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. U sells 3 in-app purchases, starting at $2.99 per 7 days. Belimo Assistant 2 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Belimo Assistant 2 holds the better App Store score, 3.4 against 1.0. That said, the two scores are not equally well evidenced: Belimo Assistant 2 has 10 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

UpkeepUpdate frequency

Belimo Assistant 2 ships an update every 5 weeks, U every 9 days. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

Scorecard6 real differences · 4 level
Belimo Assistant 2 versus U: the parameters behind the verdict, then further details
ParameterBelimo Assistant 2U
PriceFreeFree
Rating3.4 (10 ratings) — better1.0 (1 ratings)
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings10 — better1
Update frequencyEvery 5 weeksEvery 9 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.012.0 — better
Further details — not scored
Size125 MB31 MB
Age rating4+4+
DeveloperBELIMO Automation AGIMMA MOLINA

Customer experience

Belimo Assistant 2

All ratings10 ratings
Positive60.0%
Neutral0.0%
Negative40.0%
Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

U

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Belimo Assistant 2

No in-app purchases

3 purchases

U

Subscriptions3
  • U-BACnet Premium$2.997 Days
  • U-BACnet Premium$9.991 Month
  • U-BACnet Premium$99.991 Year

Questions

Is Belimo Assistant 2 free?
Belimo Assistant 2 is free to download, with no in-app purchases.
Is U free?
U is free to download, with in-app purchases available.
Which has better reviews, Belimo Assistant 2 or U?
Belimo Assistant 2 is rated higher. Belimo Assistant 2 averages 3.4 out of 5 from 10 ratings, while U averages 1.0 from 1 ratings.
Do Belimo Assistant 2 or U have ads?
Neither Belimo Assistant 2 nor U shows ads.
Which is updated more often, Belimo Assistant 2 or U?
Belimo Assistant 2 ships an update every 5 weeks, and U every 9 days. Most recently, Belimo Assistant 2 was updated on November 5, 2026 and U on October 30, 2026.

Other comparisons