Aura
Duration filters
Filter existing tracks by duration; this is not a duration request for newly generated narration.
Supporting sources:
Source checked . Availability can change.
Writing and creation controls · 4-app comparison
Request a target session length: Aura vs Calm vs Gratitude vs Insight Timer
Whether the app lets you request a target session length.
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 | Aura Aura Premium |  Calm Calm Premium |  Gratitude Gratitude Pro |  Insight Timer MemberPlus |
|---|---|---|---|---|
| Request a target session length |
Request a target session length: details
Calm
Selected durations
Some existing meditations offer adjustable session lengths; this is not arbitrary-length generation of a new script.
Supporting sources:
Source checked . Availability can change.
Gratitude
Choose repeat count
The publisher describes setting affirmation-folder loops, which changes practice duration; this is not a target length for a generated script.
Supporting sources:
Source checked . Availability can change.
Insight Timer
Timer and content filters
Set a timer duration or filter existing tracks by length. A target length for newly generated narrated content is not listed.
Supporting sources:
Source checked . Availability can change.
Sources and plan details
Sources for 1 features across Aura, Calm, Gratitude, Insight Timer. 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.
Aura 1 researched
- Request a target session length: Duration filters
-
Filter existing tracks by duration; this is not a duration request for newly generated narration.
Checked . Sources: [1]
Aura sources
- Aura pricing and feature FAQ · Checked 2026-10-09
Calm 1 researched
- Request a target session length: Selected durations
-
Some existing meditations offer adjustable session lengths; this is not arbitrary-length generation of a new script.
Checked . Sources: [1]
Calm sources
- Calm tools for advanced meditators · Checked 2026-10-09
Gratitude 1 researched
- Request a target session length: Choose repeat count
-
The publisher describes setting affirmation-folder loops, which changes practice duration; this is not a target length for a generated script.
Checked . Sources: [1]
Gratitude sources
- Gratitude publisher guide: personal affirmations, folders, music and loops · Checked 2026-10-09
Insight Timer 1 researched
Insight Timer sources
- Insight Timer meditation timer · Checked 2026-10-09
- Insight Timer in ChatGPT: capabilities and limitations · Checked 2026-10-09