# TMS Flat Rate Reader vs LaserCalc Mobile

The clearest difference is rating: TMS Flat Rate Reader at 4.0 against LaserCalc Mobile's 3.4. TMS Flat Rate Reader also leads on in-app purchases (none vs 4) and iOS requirement (8.0 vs 15.1). LaserCalc Mobile's advantage is update cadence (every 3 weeks vs every 3 months). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. LaserCalc Mobile sells 4 in-app purchases, starting at $9.99 per month. TMS Flat Rate Reader asks for nothing beyond the download.

TMS Flat Rate Reader holds the better App Store score, 4.0 against 3.4. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews split almost evenly too, at 50% and 50% positive.

TMS Flat Rate Reader ships an update every 3 months, LaserCalc Mobile every 3 weeks. The most recent releases landed on June 25, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | TMS Flat Rate Reader | LaserCalc Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/tms-flat-rate-reader/id499638230/reviews)** | [3.4 (5 ratings)](https://appshunter.io/ios/app/lasercalc-mobile/id6502254919/reviews) |
| Number of ratings | 3 | **5** |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 25 MB | 85 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) | [Imogen Technologies, LLC](https://appshunter.io/developer/1744792441) |

## 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


### LaserCalc Mobile

[App page](https://appshunter.io/ios/app/lasercalc-mobile/id6502254919)

This app assists HVAC professionals with accurate load calculations for residential and commercial projects. It adheres to industry-standard ACCA Manual J 8th Edition guidelines, integrating data from DOE and NREL for precise results.

**Highlights:** ACCA Manual J 8th Edition compliance, DOE and NREL data integration, Professional HVAC load calculations, Supports contractors and engineers

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Monthly Subscription | $9.99 | per month |
| LaserCalc Pro | $49.99 | per month |
| Monthly Subscription | $9.99 | one-time |


## Frequently asked questions

### Is TMS Flat Rate Reader free?

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

### Is LaserCalc Mobile free?

LaserCalc Mobile is free to download, with in-app purchases available.

### Which has better reviews, TMS Flat Rate Reader or LaserCalc Mobile?

TMS Flat Rate Reader is rated higher. TMS Flat Rate Reader averages 4.0 out of 5 from 3 ratings, while LaserCalc Mobile averages 3.4 from 5 ratings.

### Do TMS Flat Rate Reader or LaserCalc Mobile have ads?

Neither TMS Flat Rate Reader nor LaserCalc Mobile shows ads.

### Which is updated more often, TMS Flat Rate Reader or LaserCalc Mobile?

TMS Flat Rate Reader ships an update every 3 months, and LaserCalc Mobile every 3 weeks. Most recently, TMS Flat Rate Reader was updated on June 25, 2026 and LaserCalc Mobile on September 16, 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.*