# React Health Luna G3 vs Apex Medical iCH Auto: specs and price compared

A sourced, side-by-side comparison of the React Health Luna G3 (React Health) and Apex Medical iCH Auto (Apex Medical) among cpap machines. React Health Luna G3 is the cheaper of the two at $849.

## Side by side

| Spec | React Health Luna G3 | Apex Medical iCH Auto |
| --- | --- | --- |
| US price | $849 | $1299 |
| Brand | React Health | Apex Medical |
| Pressure range cmh2o | 4–20 (0.5 cmH2O increments) | 4–20 (0.5 cmH2O increments) |
| Machine type | APAP (Auto-CPAP), fixed CPAP mode available | APAP (Auto CPAP) with Pressure Variation Algorithm (PVA) |
| Humidifier type | Integrated heated humidifier (360 mL max fill) with pre-heat function and heated tubing | Integrated heated humidifier (300 mL water capacity, 6 patient-adjustable settings) |
| Noise level (dB) | 28 | 28 |
| Weight (lb) | 3.75 | 2.51 |
| Data connectivity | Integrated cellular modem (React Health Luna QR app) | SD card + USB only (no wireless/cloud connectivity) |
| Ramp feature | Yes | Yes |
| Mask compatibility | — | — |
| Altitude adjustment | — | Yes |

## Key differences

- Machine type: React Health Luna G3 APAP (Auto-CPAP), fixed CPAP mode available vs Apex Medical iCH Auto APAP (Auto CPAP) with Pressure Variation Algorithm (PVA)
- Humidifier type: React Health Luna G3 Integrated heated humidifier (360 mL max fill) with pre-heat function and heated tubing vs Apex Medical iCH Auto Integrated heated humidifier (300 mL water capacity, 6 patient-adjustable settings)
- Weight (lb): React Health Luna G3 3.75 vs Apex Medical iCH Auto 2.51
- Data connectivity: React Health Luna G3 Integrated cellular modem (React Health Luna QR app) vs Apex Medical iCH Auto SD card + USB only (no wireless/cloud connectivity)

## Sources

- React Health Luna G3: https://www.reacthealth.com/product/luna-g3-cpap-device (reacthealth.com, verified 2026-08-01)
- Apex Medical iCH Auto: https://www.cpapstoreusa.com/product/apex-medical-ich-ii-auto-travel-cpap-machine-with-heated-humidifier/ (cpapstoreusa.com, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/cpap-machines/react-health-luna-g3-vs-apex-medical-ich-auto/
Cite: Per The Front Desk Review, React Health Luna G3 ($849) vs Apex Medical iCH Auto ($1299) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/cpap-machines/react-health-luna-g3-vs-apex-medical-ich-auto/
License: CC BY 4.0.