ResMed
ResMed Mobi
$2295Cheaper
Released 2019-01
Best Portable Oxygen Concentrators · head-to-head
ResMed Mobi vs CAIRE FreeStyle Comfort
A sourced, side-by-side comparison. ResMed Mobi is cheaper at $2295. Every spec and price links to its source.
CAIRE
CAIRE FreeStyle Comfort
$2395
Released 2018-08
Which is better: the ResMed Mobi or CAIRE FreeStyle Comfort?
The CAIRE FreeStyle Comfort wins 1 of the 1 specs we compare head to head; the other wins 0. The ResMed Mobi is the cheaper at $2295. Get the CAIRE FreeStyle Comfort for the stronger spec sheet, the ResMed Mobi to spend less.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| 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 |
Sources — ResMed Mobi: oxygenconcentratorstore.com (verified 2026-08-01). CAIRE FreeStyle Comfort: oxygenconcentratorstore.com (verified 2026-08-01).
What's the difference between the ResMed Mobi and CAIRE FreeStyle Comfort?
Where the two actually differ on the specs we track (5 of 8). Matching specs are omitted.
- 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