# Air Changes — Determine ventilation needs.

> Determine ventilation needs. (iPhone/iPad app by H3Apps LLC.)

- Source: https://appshunter.io/ios/app/air-changes/id1535363405 (this page in markdown: same URL + `.md`)
- Developer: [H3Apps LLC](https://appshunter.io/developer/598620927)
- Category: Business, Productivity
- Price: $1.99
- Age rating: 4+
- Requires: iOS 14.0 · 1 MB
- Languages: English
- Released: 2020-10-16
- Data updated: 2026-06-10
- User reviews in markdown: https://appshunter.io/ios/app/air-changes/id1535363405/reviews.md

## What is Air Changes?

Quickly calculate room air changes per hour given a room's volume and air delivery rate.  Or find the required airflow rate to meet the needed number of air changes.

Send results by text or email.

Works with Imperial or SI Unit measures.


## Version history (last 1 release)

### 1.0.0 — 2020-10-16

No release notes.

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All apps by H3Apps LLC: https://appshunter.io/developer/598620927

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*