# Building Start vs Xylem AR App

The clearest difference is rating: Xylem AR App at 5.0 against Building Start's 3.4. Xylem AR App also leads on iOS requirement (13.0 vs 15.0). Building Start's advantage is update cadence (monthly vs every 2 months) and ratings volume (8 vs 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.

Xylem AR App holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: Building Start has 8 ratings behind it against 1, so its average is the more settled of the two.

Building Start ships an update monthly, Xylem AR App every 2 months. The most recent releases landed on September 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Building Start | Xylem AR App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (8 ratings)](https://appshunter.io/ios/app/building-start/id442975774/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/xylem-ar-app/id1513860507/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 12 MB | 97 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Building Start](https://appshunter.io/developer/442975777) | [Xylem Inc.](https://appshunter.io/developer/582035368) |

## 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


### Xylem AR App

[App page](https://appshunter.io/ios/app/xylem-ar-app/id1513860507)

Explore and interact with virtual 3D models of core pump offerings. Examine internal components, visualize operation, and learn about features and benefits for commercial building applications. Capture screenshots of your augmented reality experience.

**Highlights:** Place and manipulate virtual pump models, Examine internal components with explode view, Visualize pump operation with animation, Explore features and benefits interactively, Isolate and reposition models, Capture screenshots

**In-app purchases:** none


## Frequently asked questions

### Is Building Start free?

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

### Is Xylem AR App free?

Xylem AR App is free to download, with no in-app purchases.

### Which has better reviews, Building Start or Xylem AR App?

Xylem AR App is rated higher. Building Start averages 3.4 out of 5 from 8 ratings, while Xylem AR App averages 5.0 from 1 ratings.

### Do Building Start or Xylem AR App have ads?

Neither Building Start nor Xylem AR App shows ads.

### Which is updated more often, Building Start or Xylem AR App?

Building Start ships an update monthly, and Xylem AR App every 2 months. Most recently, Building Start was updated on September 24, 2026 and Xylem AR App on October 7, 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.*