# Building Start vs LS Professional

The clearest difference is rating: LS Professional at 5.0 against Building Start's 3.4. 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.

LS Professional holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 8 and 3 respectively.

Building Start ships an update monthly, LS Professional every 6 weeks. The most recent releases landed on August 16, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Building Start | LS Professional |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (8 ratings)](https://appshunter.io/ios/app/building-start/id442975774/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ls-professional/id979602328/reviews)** |
| Number of ratings | **8** | 3 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 12 MB | 4 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Building Start](https://appshunter.io/developer/442975777) | [Advanced Technologies Group](https://appshunter.io/developer/732016893) |

## What reviewers say

### Building Start

[App page](https://appshunter.io/ios/app/building-start/id442975774)

This platform digitizes field testing for construction and engineering projects. It allows for centralized test plan creation and offline execution on field devices, synchronizing data back to the cloud upon completion.

**Highlights:** Centralized test plan authoring, Push test plans to field devices, Offline field testing capabilities, Data synchronization to cloud, Digital capture of construction projects, Support for TAB, Building Startup, Commissioning, Energy Audits

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

**In-app purchases:** none


### LS Professional

[App page](https://appshunter.io/ios/app/ls-professional/id979602328)

Conduct inspections of critical life safety elements in healthcare facilities with an intuitive interface. Visualize inspection areas using floor plans and synchronize results to a cloud platform for monitoring and management.

**Highlights:** Intuitive inspection interface, Floor plan layouts for visual guidance, Synchronization to cloud platform, Cloud-based monitoring and management, Tracking of follow-up actions

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

**In-app purchases:** none


## Frequently asked questions

### Is Building Start free?

Building Start is free to download, with no in-app purchases.

### Is LS Professional free?

LS Professional is free to download, with no in-app purchases.

### Which has better reviews, Building Start or LS Professional?

LS Professional is rated higher. Building Start averages 3.4 out of 5 from 8 ratings, while LS Professional averages 5.0 from 3 ratings.

### Do Building Start or LS Professional have ads?

Neither Building Start nor LS Professional shows ads.

### Which is updated more often, Building Start or LS Professional?

Building Start ships an update monthly, and LS Professional every 6 weeks. Most recently, Building Start was updated on August 16, 2026 and LS Professional on September 10, 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.*