The short version
Both are sub-$100/year guided breathwork apps, and neither measures heart rate or HRV. Breathwrk is an affordable voice-guided library with daily classes and programs. SOMA is the rhythmic, music-paced alternative with ceremony framing.
When is Breathwrk the right pick?
If you want an affordable voice-guided routine with a free plan — box breathing, 4-7-8, humming and long-exhale exercises, daily classes and programs — Breathwrk is the right shape at a lower price.
When is SOMA Breath the right pick?
If you want beat-paced rhythmic music breathwork with ceremony framing and access to a global certified-facilitator community — SOMA is the right shape.