# TMS Flat Rate Reader vs Trane® Technician

The clearest difference is rating: Trane® Technician at 4.8 against TMS Flat Rate Reader's 4.0. Trane® Technician also leads on ratings volume (220 vs 3) and update cadence (every 5 weeks vs every 3 months). TMS Flat Rate Reader's advantage is review sentiment (50% vs 25%) and iOS requirement (8.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Trane® Technician holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Trane® Technician has 220 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 50% of TMS Flat Rate Reader's written reviews are positive against 25% of Trane® Technician's, so the app with the better star average is not the one people write more warmly about.

TMS Flat Rate Reader ships an update every 3 months, Trane® Technician every 5 weeks. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | TMS Flat Rate Reader | Trane® Technician |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (3 ratings)](https://appshunter.io/ios/app/tms-flat-rate-reader/id499638230/reviews) | **[4.8 (220 ratings)](https://appshunter.io/ios/app/trane-technician/id1521293298/reviews)** |
| Number of ratings | 3 | **220** |
| Positive reviews | **50.0% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 25 MB | 212 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Team Management Systems, LLC](https://appshunter.io/developer/452173520) | [TRANE U.S. INC](https://appshunter.io/developer/583378910) |

## What reviewers say

### TMS Flat Rate Reader

[App page](https://appshunter.io/ios/app/tms-flat-rate-reader/id499638230)

This app provides an electronic version of flat rate repair books for HVAC, plumbing, and electrical professionals. It allows users to quickly find repair information, generate professional quotations with customer signatures, and integrate with mobile work order apps.

**Highlights:** Electronic flat rate book, Professional quotation generation, Customer signature capture, Integration with mobile work orders, Powerful search utility, View material requirements, Multiple price column display

**Features:** macOS Compatibility

**In-app purchases:** none


### Trane® Technician

[App page](https://appshunter.io/ios/app/trane-technician/id1521293298)

This app streamlines HVAC installation, commissioning, and service for technicians and companies. It offers guided setup, remote monitoring of smart thermostats, and access to essential resources like wiring diagrams and training materials.

**Highlights:** Streamlined installation and commissioning, Remote monitoring of smart thermostats, Step-by-step guidance for technicians, Real-time system alert monitoring, Guided wiring diagram generation, Access to product literature and training

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TMS Flat Rate Reader free?

TMS Flat Rate Reader is free to download, with no in-app purchases.

### Is Trane® Technician free?

Trane® Technician is free to download, with no in-app purchases.

### Which has better reviews, TMS Flat Rate Reader or Trane® Technician?

Trane® Technician is rated higher. TMS Flat Rate Reader averages 4.0 out of 5 from 3 ratings, while Trane® Technician averages 4.8 from 220 ratings.

### Do TMS Flat Rate Reader or Trane® Technician have ads?

Neither TMS Flat Rate Reader nor Trane® Technician shows ads.

### Which is updated more often, TMS Flat Rate Reader or Trane® Technician?

TMS Flat Rate Reader ships an update every 3 months, and Trane® Technician every 5 weeks. Most recently, TMS Flat Rate Reader was updated on October 1, 2026 and Trane® Technician on October 14, 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.*