# Trane BAS Operator vs CMS Tech

The clearest difference is rating: CMS Tech at 3.0 against Trane BAS Operator's 2.4. Trane BAS Operator's advantage is review sentiment (36% vs 20%) and iOS requirement (12.0 vs 15.1). On price, ratings volume, update cadence and ads there is nothing between them.

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

CMS Tech holds the better App Store score, 3.0 against 2.4. Both are backed by a comparable volume of ratings — 45 and 23 respectively. Written reviews complicate that: 36% of Trane BAS Operator's written reviews are positive against 20% of CMS Tech's, so the app with the better star average is not the one people write more warmly about.

Trane BAS Operator ships an update every 3 months, CMS Tech every 4 months. Both last shipped on August 25, 2026.

## The numbers

| Metric | Trane BAS Operator | CMS Tech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (45 ratings)](https://appshunter.io/ios/app/trane-bas-operator/id583378807/reviews) | **[3.0 (23 ratings)](https://appshunter.io/ios/app/cms-tech/id1115651311/reviews)** |
| Number of ratings | **45** | 23 |
| Positive reviews | **35.9% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 114 MB | 55 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TRANE U.S. INC](https://appshunter.io/developer/583378910) | [Facilities Survey Inc](https://appshunter.io/developer/622634630) |

## 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


### CMS Tech

[App page](https://appshunter.io/ios/app/cms-tech/id1115651311)

This mobile application streamlines healthcare facility management by enhancing efficiency, accuracy, and productivity. It empowers all levels of an organization with a responsive CMMS solution.

**Highlights:** Mobile CMMS solution, Promotes efficiency, Enhances accuracy, Boosts productivity, Empowers all organizational levels

**Features:** macOS Compatibility

**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 CMS Tech free?

CMS Tech is free to download, with no in-app purchases.

### Which has better reviews, Trane BAS Operator or CMS Tech?

CMS Tech is rated higher. Trane BAS Operator averages 2.4 out of 5 from 45 ratings, while CMS Tech averages 3.0 from 23 ratings.

### Do Trane BAS Operator or CMS Tech have ads?

Neither Trane BAS Operator nor CMS Tech shows ads.

### Which is updated more often, Trane BAS Operator or CMS Tech?

Trane BAS Operator ships an update every 3 months, and CMS Tech every 4 months. Most recently, Trane BAS Operator was updated on August 25, 2026 and CMS Tech on August 25, 2026.

---

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