Calm
Yes
Choose scene ambience such as rain and nature sounds for supported meditations. Sleep Stories use their own sound design.
Supporting sources:
Source checked . Availability can change.
Background sound and mixing · 4-app comparison
Choose and preview background ambience: Calm vs Glo vs Headspace vs Mesmerize
Whether the app lets you choose and preview background ambience.
Compare by topic
Compare custom self-hypnosis creation and editing controls; existing recordings and clinical hypnotherapy are different offerings. Choosing a self-hypnosis app
Compare guided reflection, journaling and personalization tools for exploring how you see yourself. Self-concept journal prompts
Compare creating affirmation audio, cloning your voice, recording narration and replay controls. Own-voice app guide
Compare creating and revising original guided meditations, including scripts, voices, pauses and generation allowances. Create a custom meditation
Compare creating and editing personal tapping audio, rather than access to a library of recorded sessions. Choosing an EFT tapping app
Compare creating guided rehearsal audio around your goals, context and preferred pacing. What is mental rehearsal?
Compare custom yoga guidance, practice preferences and playback. See the guide for instructor-led class libraries. Choosing a yoga app
| Features1 selected | Calm Calm Premium |  Glo Glo membership |  Headspace Headspace individual |  Mesmerize Mesmerize Premium |
|---|---|---|---|---|
| Choose and preview background ambience |
Choose and preview background ambience: details
Glo
Class music
Some classes include a supplied music mix; freely choosing and previewing an ambience library is not established.
Supporting sources:
Source checked . Availability can change.
Headspace
Soundscapes and music
Headspace offers selectable sleep soundscapes and music. Applying an arbitrary ambience to every narrated practice is not established.
Supporting sources:
Source checked . Availability can change.
Mesmerize
Soundscapes
Select supplied music and nature-sound backgrounds.
Supporting sources:
Source checked . Availability can change.
Sources and plan details
Sources for 1 features across Calm, Glo, Headspace, Mesmerize. Annual prices show the full yearly charge in USD. “Limited” includes conditions. “No listed support” means the feature was not found in the reviewed official documentation.
Calm 1 researched
- Choose and preview background ambience: Yes
-
Choose scene ambience such as rain and nature sounds for supported meditations. Sleep Stories use their own sound design.
Checked . Sources: [1]
Calm sources
- Calm scene audio settings · Checked 2026-10-09
Glo 1 researched
- Choose and preview background ambience: Class music
-
Some classes include a supplied music mix; freely choosing and previewing an ambience library is not established.
Checked . Sources: [1]
Glo sources
- Glo music controls · Checked 2026-10-09
Headspace 1 researched
- Choose and preview background ambience: Soundscapes and music
-
Headspace offers selectable sleep soundscapes and music. Applying an arbitrary ambience to every narrated practice is not established.
Checked . Sources: [1]
Headspace sources
- Sleep by Headspace · Checked 2026-10-09
Mesmerize 1 researched
- Choose and preview background ambience: Soundscapes
-
Select supplied music and nature-sound backgrounds.
Checked . Sources: [1]
Mesmerize sources
- Mesmerize product features · Checked 2026-10-09