# AMS Device Configurator vs Roy Estimator

The clearest difference is rating: Roy Estimator at 5.0 against AMS Device Configurator's 4.2. Roy Estimator also leads on iOS requirement (15.1 vs 26.0). AMS Device Configurator's advantage is in-app purchases (none vs 2). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Roy Estimator sells 2 in-app purchases, starting at $19.99 per month. AMS Device Configurator asks for nothing beyond the download.

Roy Estimator holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | AMS Device Configurator | Roy Estimator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/ams-device-configurator/id6742211413/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/roy-estimator/id6760720099/reviews)** |
| Number of ratings | **5** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Monthly |
| Monetization | **Free** | Freemium |
| Size | 153 MB | 42 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Emerson Process Management](https://appshunter.io/developer/561985742) | [Roy Software LLC](https://appshunter.io/developer/1885907161) |

## What reviewers say

### AMS Device Configurator

[App page](https://appshunter.io/ios/app/ams-device-configurator/id6742211413)

Configure, maintain, and troubleshoot Emerson field instruments with Bluetooth connectivity. Perform quick checks, resolve issues, and access device information through a consistent interface across supported products.

**Highlights:** Bluetooth connectivity for instrument configuration, Perform quick maintenance rounds, Troubleshoot and resolve instrument issues, Consistent interface across Emerson products, Access device information conveniently, Supports a wide range of Emerson instruments

**In-app purchases:** none


### Roy Estimator

[App page](https://appshunter.io/ios/app/roy-estimator/id6760720099)

Generate professional estimates quickly by speaking, snapping photos of notes, or typing. This app uses AI to convert job site details into structured line items, allowing for custom pricing and branded PDF outputs. It works offline and is designed for various tradespeople.

**Highlights:** Voice to estimate generation, Photo to estimate conversion, Two-sided estimates for clients, Allowance management, Customizable price book, Professional PDF output, Offline functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $19.99 | per month |
| Pro | $149.99 | per year |


## Frequently asked questions

### Is AMS Device Configurator free?

AMS Device Configurator is free to download, with no in-app purchases.

### Is Roy Estimator free?

Roy Estimator is free to download, with in-app purchases available.

### Which has better reviews, AMS Device Configurator or Roy Estimator?

Roy Estimator is rated higher. AMS Device Configurator averages 4.2 out of 5 from 5 ratings, while Roy Estimator averages 5.0 from 3 ratings.

### Do AMS Device Configurator or Roy Estimator have ads?

Neither AMS Device Configurator nor Roy Estimator shows ads.

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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.*