Calm
Saved library content
Your account Library organizes saved catalogue sessions and custom playlists; a private library of self-created recordings is not listed.
Supporting sources:
Source checked . Availability can change.
Library and organization · 4-app comparison
Private saved-practice library: Calm vs Headspace vs Mesmerize vs Relax & Sleep Well
Save personal practices in a private account library; deliberate sharing is a separate action.
Your comparison
4 of 5 apps Calm 
Headspace 
Mesmerize 
Relax & Sleep Well 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 | Headspace Headspace individual | Mesmerize Mesmerize Premium | Relax & Sleep Well Individual recording purchases |
|---|---|---|---|---|
| Private saved-practice library |
Private saved-practice library: details
Headspace
Saved catalogue content
Save existing sessions and courses to Favorites. Private storage of user-created practice recordings is not documented.
Supporting sources:
Source checked . Availability can change.
Mesmerize
Saved favorites
Save existing content as favorites; a private account library of user-created recordings is not listed.
Supporting sources:
Source checked . Availability can change.
Relax & Sleep Well
Purchased-track library
Bought recordings appear in the library; a private library of newly created personal practices is not documented.
Supporting sources:
Source checked . Availability can change.
Sources and plan details
Sources for 1 features across Calm, Headspace, Mesmerize, Relax & Sleep Well. 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
- Private saved-practice library: Saved library content
-
Your account Library organizes saved catalogue sessions and custom playlists; a private library of self-created recordings is not listed.
Checked . Sources: [1]
Calm sources
- Calm custom playlists · Checked 2026-10-09
Headspace 1 researched
- Private saved-practice library: Saved catalogue content
-
Save existing sessions and courses to Favorites. Private storage of user-created practice recordings is not documented.
Checked . Sources: [1]
Headspace sources
- Headspace favorites · Checked 2026-10-09
Mesmerize 1 researched
- Private saved-practice library: Saved favorites
-
Save existing content as favorites; a private account library of user-created recordings is not listed.
Checked . Sources: [1]
Mesmerize sources
- Mesmerize US publisher listing · Checked 2026-10-09
Relax & Sleep Well 1 researched
- Private saved-practice library: Purchased-track library
-
Bought recordings appear in the library; a private library of newly created personal practices is not documented.
Checked . Sources: [1]
Relax & Sleep Well sources
- Glenn Harrold app differences, purchase restoration and downloads · Checked 2026-10-09