# ResMed Mobi vs CAIRE FreeStyle Comfort: specs and price compared

A sourced, side-by-side comparison of the ResMed Mobi (ResMed) and CAIRE FreeStyle Comfort (CAIRE) among portable oxygen concentrators. ResMed Mobi is the cheaper of the two at $2295.

## Side by side

| Spec | ResMed Mobi | CAIRE FreeStyle Comfort |
| --- | --- | --- |
| US price | $2295 | $2395 |
| Brand | ResMed | CAIRE |
| Released | 2019-01 | 2018-08 |
| Oxygen output (ml) | — | 1050 |
| Flow settings | 1–4 | 1–5 |
| Weight (lb) | 5.5 | 5 |
| Battery life hr | 8.6 | 8 |
| Delivery mode | pulse_dose | pulse_dose |
| Noise (dB) | 38.2 | 39 |
| Faa approved | Yes | Yes |
| Warranty yr | 5 | 3 |

## Key differences

- Flow settings: ResMed Mobi 1–4 vs CAIRE FreeStyle Comfort 1–5
- Weight (lb): ResMed Mobi 5.5 vs CAIRE FreeStyle Comfort 5
- Battery life hr: ResMed Mobi 8.6 vs CAIRE FreeStyle Comfort 8
- Noise (dB): ResMed Mobi 38.2 vs CAIRE FreeStyle Comfort 39
- Warranty yr: ResMed Mobi 5 vs CAIRE FreeStyle Comfort 3

## Sources

- ResMed Mobi: https://www.oxygenconcentratorstore.com/resmed-mobi/ (oxygenconcentratorstore.com, verified 2026-08-01)
- CAIRE FreeStyle Comfort: https://www.oxygenconcentratorstore.com/caire-freestyle-comfort/ (oxygenconcentratorstore.com, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/portable-oxygen-concentrators/resmed-mobi-vs-caire-freestyle-comfort/
Cite: Per The Front Desk Review, ResMed Mobi ($2295) vs CAIRE FreeStyle Comfort ($2395) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/portable-oxygen-concentrators/resmed-mobi-vs-caire-freestyle-comfort/
License: CC BY 4.0.