# PRO vs MoldSentry

The clearest difference is in-app purchases: PRO at none against MoldSentry's 1. MoldSentry's advantage is update cadence (every 2 days vs every 2 weeks) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. MoldSentry sells 1 in-app purchase, starting at $60.00 per 3 months. PRO asks for nothing beyond the download.

PRO ships an update every 2 weeks, MoldSentry every 2 days. The most recent releases landed on September 24, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | PRO | MoldSentry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (94 ratings)](https://appshunter.io/ios/app/pro-lab-247/id1251063238/reviews)** | — |
| Number of ratings | **94** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Free | — |
| Size | 9 MB | 35 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Professional Laboratories](https://appshunter.io/developer/1251063237) | [PIRUX, LLC](https://appshunter.io/developer/1618629503) |

## What reviewers say

### PRO

[App page](https://appshunter.io/ios/app/pro-lab-247/id1251063238)

Access comprehensive laboratory testing for environmental pollutants like mold, radon, and lead. This service is backed by certified professionals and offers simplified processing with bundled supplies and analysis fees.

**Highlights:** Mold testing, Radon testing, Lead testing, Allergen testing, Asbestos testing, Drinking water analysis, Certified professionals

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

**In-app purchases:** none


### MoldSentry

[App page](https://appshunter.io/ios/app/moldsentry/id6743225768)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quarterly Subscription | $60.00 | per 3 months |


## Frequently asked questions

### Is PRO free?

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

### Is MoldSentry free?

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

### Do PRO or MoldSentry have ads?

Neither PRO nor MoldSentry shows ads.

### Which is updated more often, PRO or MoldSentry?

PRO ships an update every 2 weeks, and MoldSentry every 2 days. Most recently, PRO was updated on September 24, 2026 and MoldSentry on September 6, 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.*