Purpose-Built
An offline indoor-air workbench for estimating air changes from carbon-dioxide decay, comparing occupancy scenarios, and documenting ventilation observations.
One-time iPhone and iPad app
Ventiloom
CO2 decay and ventilation analysis
Core Tools
- CO2 decay and air-change estimation
- Occupancy and ventilation comparisons
- Forty bundled indoor-air reference plates
Private by Design
No account, ads, tracking, third-party analytics, or developer-operated backend. Your work stays on your device unless you deliberately share or export it.
Use It Responsibly
Ventilation estimates are informational and are not a health or safety diagnosis. Follow calibrated measurements, building standards, and qualified professional guidance.