# EPA Indoor airPLUS vs MoldSentry

The clearest difference is in-app purchases: EPA Indoor airPLUS at none against MoldSentry's 1. EPA Indoor airPLUS also leads on iOS requirement (11.0 vs 15.6). MoldSentry's advantage is update cadence (every 2 days vs every 4 months). On price, ads and device support there is nothing between them.

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

EPA Indoor airPLUS ships an update every 4 months, MoldSentry every 2 days. The most recent releases landed on October 19, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | EPA Indoor airPLUS | MoldSentry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/epa-indoor-airplus/id468213401/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 45 MB | 31 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [United States Environmental Protection Agency (USEPA)](https://appshunter.io/developer/466052690) | [PIRUX, LLC](https://appshunter.io/developer/1618629503) |

## What reviewers say

### EPA Indoor airPLUS

[App page](https://appshunter.io/ios/app/epa-indoor-airplus/id468213401)

This app provides home builders and verifiers with tools and resources to certify new construction homes for improved indoor air quality and energy efficiency. It allows users to access construction specifications, submit verification checklists, and find technical assistance.

**Highlights:** Construction Specifications, Verification Checklist Submission, PDF Checklist Creation, Technical Assistance via Email, FAQs, Videos, Podcasts

**Features:** macOS Compatibility

**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 EPA Indoor airPLUS free?

EPA Indoor airPLUS is free to download, with no in-app purchases.

### Is MoldSentry free?

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

### Do EPA Indoor airPLUS or MoldSentry have ads?

Neither EPA Indoor airPLUS nor MoldSentry shows ads.

### Which is updated more often, EPA Indoor airPLUS or MoldSentry?

EPA Indoor airPLUS ships an update every 4 months, and MoldSentry every 2 days. Most recently, EPA Indoor airPLUS was updated on October 19, 2026 and MoldSentry on October 28, 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.*