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The short answer

Best app for panic attacks

The best app for panic attacks is the one that opens straight into a guided breathing flow with no quiz, no profile, and no paywall. The breathing technique with the strongest recent evidence is cyclic sighing. Stillee is built for that exact moment, and the panic flow is free, forever.

Updated July 1, 2026. Reading time about four minutes.

What to look for

The criteria that actually matter.

A 2023 Stanford randomized controlled trial compared three controlled breathing techniques against mindfulness meditation across a month of daily practice. Cyclic sighing, which is two short inhales through the nose followed by an extended exhale through the mouth, outperformed the others on mood improvement and reduced respiratory rate. It is the breathing pattern with the strongest recent RCT evidence against an active mindfulness control. Across the clinical literature, controlled breathing and grounding are the two interventions with the most consistent acute effect on panic symptoms.

  1. One tap from a visible button, no nested menus

    Panic shrinks the window for decisions. The button has to be on the home screen, not behind a tab. If you have to look for it, you will not use it.

  2. No paywall on the panic flow

    A subscription gate in front of someone in acute distress is a design failure and an ethical one. The acute relief surface should be free, always, for whoever needs it.

  3. Evidence-based breathing as the default

    Cyclic sighing is the technique with the strongest current evidence for acute mood shift. Box breathing and 4-7-8 are reasonable alternates. A pattern with no clinical backing is a red flag.

  4. Reality-anchor prompts for dissociation

    A substantial minority of panic attacks include depersonalization or derealization, the feeling of being outside the body or the room. Standard breathing alone does not help with this. The app should include grounding prompts that ask you to name what you see, hear, and touch.

  5. A direct line to crisis support

    A real person on the other end of a phone is sometimes the right answer. The app should have a single-tap path to a crisis line in your region and, if you set it, to a trusted contact.

  6. No quiz, no profile, no waiting

    The first frame is the breathing. Personalization happens later. If the first thing the app asks you is your name, it was not built for this moment.

Where Stillee fits

What we built, against those criteria.

The panic button lives on the home screen

Tell Stillee about panic once, in onboarding, and the button is there — in the same place, every day after. Settings can turn it on or off at any time. You do not navigate. You tap it.

Cyclic sighing is the default pattern

The Stanford-tested technique opens the flow. Two short inhales through the nose, a long exhale through the mouth. The visual leads the rhythm; you do not have to count.

Three routes for three textures of panic

Racing, drifting, spiraling. You pick the one that matches what is happening. The flow adapts. There is no wrong answer.

Free, forever, no payment before you start

The panic flow opens without payment and without a profile setup. The part of the app that has to work when nothing else does was built that way on purpose.

Download Stillee on the App Store

FAQ

The questions people ask after they ask the first one.

What helps a panic attack in the moment?

The two interventions with the most consistent acute evidence are controlled breathing, specifically an extended exhale, and grounding through the senses. The Stanford 2023 trial found that cyclic sighing, which is two short inhales followed by a long exhale, produced a larger mood improvement than mindfulness meditation over the same period. If derealization is present, reality-anchor prompts (naming what you see, hear, and touch) help to reconnect with the body and the room.

Is it safe to use a meditation app during a panic attack?

A guided meditation that asks you to close your eyes and observe your thoughts can sometimes deepen panic, especially when dissociation is part of the experience. The right tool in the acute moment is a breathing flow or a grounding exercise, not a body scan. An app designed for panic should know the difference. Stillee opens the panic flow with breathing, not introspection.

What is cyclic sighing?

Cyclic sighing is a controlled breathing pattern. You inhale through the nose, take a second smaller inhale on top of the first to fill the lungs, then exhale slowly through the mouth. Five minutes a day for a month produced larger mood gains than mindfulness meditation in a 2023 Stanford randomized controlled trial led by Andrew Huberman and David Spiegel.

When should I call a crisis line instead of using an app?

If you are thinking about harming yourself, if you cannot keep yourself safe, or if the panic is not lifting after twenty or thirty minutes of focused breathing, please reach a person. In the US, call or text 988. Outside the US, findahelpline.com lists local services. An app is a companion, not a substitute for a human voice on the line.

How is the panic flow different from regular meditation?

The panic flow opens at the breathing screen with the rhythm already starting. There is no introduction, no choice of teacher, no setup. The interface dims to night colors. After the acute moment passes, the flow surfaces a short reflection and a way back to the rest of the app. It is one specific tool for one specific moment.

Is the panic flow really free?

Yes, forever. The full library and the multi-week programs are included in the subscription. The acute relief surface is not.

References

  1. [1] Cyclic sighing vs mindfulness, Stanford 2023. Balban, M. Y., et al. (2023). Brief structured respiration practices enhance mood and reduce physiological arousal. Cell Reports Medicine, 4(1).
  2. [2] Controlled breathing in anxiety. Zaccaro, A., et al. (2018). How Breath-Control Can Change Your Life: A Systematic Review on Psycho-Physiological Correlates of Slow Breathing.
  3. [3] Depersonalization in panic. Hunter, E. C. M., et al. (2003). Depersonalisation disorder: a contemporary overview.
  4. [4] Grounding techniques in acute distress. Najavits, L. M. (2002). Seeking Safety: A Treatment Manual for PTSD and Substance Abuse. Grounding chapter.