# Löwenstein prisma SMART vs Apex Medical iCH Auto: specs and price compared

A sourced, side-by-side comparison of the Löwenstein prisma SMART (Löwenstein Medical) and Apex Medical iCH Auto (Apex Medical) among cpap machines.

## Side by side

| Spec | Löwenstein prisma SMART | Apex Medical iCH Auto |
| --- | --- | --- |
| US price | not published | $1299 |
| Brand | Löwenstein Medical | Apex Medical |
| Pressure range cmh2o | 4–20 | 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 | Optional prismaAQUA heated humidifier (not integrated by default) | Integrated heated humidifier (300 mL water capacity, 6 patient-adjustable settings) |
| Noise level (dB) | 26 | 28 |
| Weight (lb) | 2.95 | 2.51 |
| Data connectivity | SD card, Bluetooth, optional external modem; prisma APP / prisma CLOUD software, prismaTS interface | SD card + USB only (no wireless/cloud connectivity) |
| Ramp feature | Yes | Yes |
| Mask compatibility | Universal — standard 22mm connector, compatible with ResMed, Fisher & Paykel, and Philips masks | — |
| Altitude adjustment | — | Yes |

## Key differences

- Pressure range cmh2o: Löwenstein prisma SMART 4–20 vs Apex Medical iCH Auto 4–20 (0.5 cmH2O increments)
- Machine type: Löwenstein prisma SMART APAP (Auto CPAP), fixed CPAP mode available vs Apex Medical iCH Auto APAP (Auto CPAP) with Pressure Variation Algorithm (PVA)
- Humidifier type: Löwenstein prisma SMART Optional prismaAQUA heated humidifier (not integrated by default) vs Apex Medical iCH Auto Integrated heated humidifier (300 mL water capacity, 6 patient-adjustable settings)
- Noise level (dB): Löwenstein prisma SMART 26 vs Apex Medical iCH Auto 28
- Weight (lb): Löwenstein prisma SMART 2.95 vs Apex Medical iCH Auto 2.51
- Data connectivity: Löwenstein prisma SMART SD card, Bluetooth, optional external modem; prisma APP / prisma CLOUD software, prismaTS interface vs Apex Medical iCH Auto SD card + USB only (no wireless/cloud connectivity)

## Sources

- Löwenstein prisma SMART: https://loewensteinmedical.com/en/sleep-apnea-therapy/prisma-smart/ (loewensteinmedical.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/lowenstein-prisma-smart-vs-apex-medical-ich-auto/
Cite: Per The Front Desk Review, Löwenstein prisma SMART (not published) vs Apex Medical iCH Auto ($1299) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/cpap-machines/lowenstein-prisma-smart-vs-apex-medical-ich-auto/
License: CC BY 4.0.