# Trane BAS Operator vs MRI Angus

The clearest difference is rating: Trane BAS Operator at 2.4 against MRI Angus's 2.1. Trane BAS Operator also leads on review sentiment (35% vs 11%) and iOS requirement (12.0 vs 17.0). MRI Angus's advantage is update cadence (every 6 weeks vs every 3 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Trane BAS Operator holds the better App Store score, 2.4 against 2.1. Both are backed by a comparable volume of ratings — 45 and 33 respectively. Written reviews point the same way: 35% of Trane BAS Operator's written reviews are positive against 11% of MRI Angus's.

Trane BAS Operator ships an update every 3 months, MRI Angus every 6 weeks. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Trane BAS Operator | MRI Angus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (45 ratings)](https://appshunter.io/ios/app/trane-bas-operator/id583378807/reviews)** | [2.1 (33 ratings)](https://appshunter.io/ios/app/mri-angus/id1658862000/reviews) |
| Number of ratings | **45** | 33 |
| Positive reviews | **35.0% of reviews** | 11.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 114 MB | 17 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TRANE U.S. INC](https://appshunter.io/developer/583378910) | [MRI Software](https://appshunter.io/developer/1257163389) |

## What reviewers say

### Trane BAS Operator

[App page](https://appshunter.io/ios/app/trane-bas-operator/id583378807)

Monitor and control your building's HVAC system remotely. View system status, manage alarms, and make adjustments to temperature and equipment settings to ensure optimal comfort and efficiency.

**Highlights:** View system status and graphics, Manage active and historic alarms, Acknowledge and comment on alarms, Adjust setpoints and override equipment, Remember connection information

**In-app purchases:** none


### MRI Angus

[App page](https://appshunter.io/ios/app/mri-angus/id1658862000)

Streamline property management tasks on the go. Centralize operations, manage work orders, and receive real-time notifications for tenant requests, maintenance, and emergencies. This app ensures smooth operations and improved tenant satisfaction with offline capabilities and fast data syncing.

**Highlights:** Unified work order management, Real-time notifications, Offline mode, Fast data syncing, Comprehensive management tools, Advanced search, Smart asset search

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Trane BAS Operator free?

Trane BAS Operator is free to download, with no in-app purchases.

### Is MRI Angus free?

MRI Angus is free to download, with no in-app purchases.

### Which has better reviews, Trane BAS Operator or MRI Angus?

Trane BAS Operator is rated higher. Trane BAS Operator averages 2.4 out of 5 from 45 ratings, while MRI Angus averages 2.1 from 33 ratings.

### Do Trane BAS Operator or MRI Angus have ads?

Neither Trane BAS Operator nor MRI Angus shows ads.

### Which is updated more often, Trane BAS Operator or MRI Angus?

Trane BAS Operator ships an update every 3 months, and MRI Angus every 6 weeks. Most recently, Trane BAS Operator was updated on October 8, 2026 and MRI Angus on October 13, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*