/ Performance Index / Calm

Calm

Mental · Meditation · Calm
B+

Good (B+) — Performance Grade

Calm is the leading meditation + sleep stories app. Strong celebrity-narrator content. Multi-decade brand presence. Bedtime-stories category leader (Matthew McConaughey, etc.).

83
Composite / 100
/ Subscore Breakdown · 5 Dimensions

Where this grade comes from.

Data Accuracy
B+
Behavior Change
B+
Friction / Adherence
B+
Cost-to-Outcome
B+
Privacy / Data Posture
A-
/ Key Events & Disclosures

Timeline & positioning.

  • Founded 2012
  • Strong celebrity-narrator content
  • Multi-decade brand
  • Sleep-stories category leader

/ Best for

Meditation + sleep stories; celebrity-narrator content preference.

/ Watch out for

Subscription required for full content. Some narrator content can feel marketing-heavy.