# Trane BAS Operator vs OpenBlue DataSource

The clearest difference is review sentiment: Trane BAS Operator at 36% against OpenBlue DataSource's 0%. Trane BAS Operator also leads on ratings volume (45 vs 11). OpenBlue DataSource's advantage is rating (2.9 vs 2.4). On price, update cadence, 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.

OpenBlue DataSource holds the better App Store score, 2.9 against 2.4. Both are backed by a comparable volume of ratings — 45 and 11 respectively. Written reviews complicate that: 36% of Trane BAS Operator's written reviews are positive against 0% of OpenBlue DataSource'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, OpenBlue DataSource every 4 months. The most recent releases landed on August 25, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Trane BAS Operator | OpenBlue DataSource |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (45 ratings)](https://appshunter.io/ios/app/trane-bas-operator/id583378807/reviews) | **[2.9 (11 ratings)](https://appshunter.io/ios/app/openblue-datasource/id1603548179/reviews)** |
| Number of ratings | **45** | 11 |
| Positive reviews | **35.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 114 MB | 69 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TRANE U.S. INC](https://appshunter.io/developer/583378910) | [Johnson Controls, Inc.](https://appshunter.io/developer/503559091) |

## 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


### OpenBlue DataSource

[App page](https://appshunter.io/ios/app/openblue-datasource/id1603548179)

Access and manage your JCI-monitored security systems. Gain instant insight into alarm activity, system performance, and conduct system tests. Streamline daily management and enhance your security environment.

**Highlights:** Monitor alarm activity, Track system performance, Conduct system tests, Control security information, Enhance daily management, Gain security insights

**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 OpenBlue DataSource free?

OpenBlue DataSource is free to download, with no in-app purchases.

### Which has better reviews, Trane BAS Operator or OpenBlue DataSource?

OpenBlue DataSource is rated higher. Trane BAS Operator averages 2.4 out of 5 from 45 ratings, while OpenBlue DataSource averages 2.9 from 11 ratings.

### Do Trane BAS Operator or OpenBlue DataSource have ads?

Neither Trane BAS Operator nor OpenBlue DataSource shows ads.

### Which is updated more often, Trane BAS Operator or OpenBlue DataSource?

Trane BAS Operator ships an update every 3 months, and OpenBlue DataSource every 4 months. Most recently, Trane BAS Operator was updated on August 25, 2026 and OpenBlue DataSource on September 12, 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.*