# PriorityLab vs EMSL Analytical

The clearest difference is review sentiment: PriorityLab at 64% against EMSL Analytical's 0%. EMSL Analytical's advantage is rating (3.6 vs 3.3). 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.

EMSL Analytical holds the better App Store score, 3.6 against 3.3. Both are backed by a comparable volume of ratings — 7 and 7 respectively. Written reviews complicate that: 64% of PriorityLab's written reviews are positive against 0% of EMSL Analytical's, so the app with the better star average is not the one people write more warmly about.

PriorityLab ships an update every 2 months, EMSL Analytical every 3 months. The most recent releases landed on September 14, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | PriorityLab | EMSL Analytical |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (7 ratings)](https://appshunter.io/ios/app/prioritylab/id944810145/reviews) | **[3.6 (7 ratings)](https://appshunter.io/ios/app/emsl-analytical/id1434079747/reviews)** |
| Number of ratings | 7 | 7 |
| Positive reviews | **63.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 14 MB | 54 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PriorityLab, LLC](https://appshunter.io/developer/473802889) | [ERBLUE, INC.](https://appshunter.io/developer/376406769) |

## What reviewers say

### PriorityLab

[App page](https://appshunter.io/ios/app/prioritylab/id944810145)

This app simplifies mold testing for professionals by digitizing the Chain of Custody process. Log sample data, capture images, and submit electronic forms directly from your mobile device, eliminating the need for paper forms.

**Highlights:** Electronic Chain of Custody submission, Log sample data with photos, Pre-setup inspections, Download inspections to phone, Streamlined workflow

**Features:** macOS Compatibility

**In-app purchases:** none


### EMSL Analytical

[App page](https://appshunter.io/ios/app/emsl-analytical/id1434079747)

Streamline field data collection for asbestos, lead, and mold inspections. Capture inspection details, create electronic chain of custody forms, reserve lab capacity, and generate shipping labels. Automatically integrate lab analysis reports with project data for customized client reports.

**Highlights:** Collect inspection field data, Create electronic chain of custody, Reserve lab capacity, Generate overnight shipping labels, Integrate lab analysis reports, Customize client reports

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PriorityLab free?

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

### Is EMSL Analytical free?

EMSL Analytical is free to download, with no in-app purchases.

### Which has better reviews, PriorityLab or EMSL Analytical?

EMSL Analytical is rated higher. PriorityLab averages 3.3 out of 5 from 7 ratings, while EMSL Analytical averages 3.6 from 7 ratings.

### Do PriorityLab or EMSL Analytical have ads?

Neither PriorityLab nor EMSL Analytical shows ads.

### Which is updated more often, PriorityLab or EMSL Analytical?

PriorityLab ships an update every 2 months, and EMSL Analytical every 3 months. Most recently, PriorityLab was updated on September 14, 2026 and EMSL Analytical on June 3, 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.*