PriorityLab vs IAQ 15
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PriorityLab
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.
- Electronic Chain of Custody submission
- Log sample data with photos
- Pre-setup inspections
- Download inspections to phone
- Streamlined workflow
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Performing mold testing has never been easier whether you are a home inspector or mold remediator. Streamline the Chain of Custody process by submitting electronically from your phone. No need to print and fill out a COC any more. Setup your inspections before hand and download them to your phone. Log sample data including taking pictures of the location and the sample so you don't have to take down any serial numbers. Submit your COC through your phone and mail in the samples along with the COC confirmation you receive with your electronic submission.
IAQ 15
This app connects to specific hardware to retrieve and view environmental event records. It allows for saving data to a server, updating device firmware, and synchronizing time and location with your mobile device.
- Connects to IAQ 15 hardware via Bluetooth
- Retrieves and views event records
- Saves event records to server
- Updates device firmware
- Synchronizes device time and location
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IAQ 15 mobile app connects to the Environmental Express IAQ 15 hardware using Bluetooth. The app can be used to retrieve and view event records from the IAQ 15 device, save the event records on the server, update the device firmware, and synchronise device time and location with that of the mobile device.
Screenshots
Verdict
The clearest difference is review sentiment: PriorityLab at 64% against IAQ 15's 0%. PriorityLab also leads on rating (3.3 vs 1.5) and iOS requirement (13.0 vs 15.0). IAQ 15's advantage is update cadence (monthly vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PriorityLab holds the better App Store score, 3.3 against 1.5. Both are backed by a comparable volume of ratings — 7 and 4 respectively. Written reviews point the same way: 64% of PriorityLab's written reviews are positive against 0% of IAQ 15's.
PriorityLab ships an update every 2 months, IAQ 15 monthly. The most recent releases landed on October 2, 2026 and September 23, 2026 respectively.
| Parameter | PriorityLab | IAQ 15 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (7 ratings) — better | 1.5 (4 ratings) |
| Positive reviews | 63.6% of reviews — better | 0.0% of reviews |
| Number of ratings | 7 — better | 4 |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 14 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | PriorityLab, LLC | Cole-Parmer Instrument Company |
Customer experience
PriorityLab
IAQ 15
In-app purchases
PriorityLab
No in-app purchases
IAQ 15
No in-app purchases
Questions
Is PriorityLab free?
Is IAQ 15 free?
Which has better reviews, PriorityLab or IAQ 15?
Do PriorityLab or IAQ 15 have ads?
Which is updated more often, PriorityLab or IAQ 15?
Other comparisons
