Comparison

Calm SOS vs Bilateral Calm

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Calm SOS

Features
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When Panic Hits, Tap This. Calm SOS is your emergency tool for panic attacks, anxiety spirals, anxiety relief, anger episodes, and emotional overwhelm. One tap gives you instant relief - no account, no setup, no waiting. Add the widget or Watch app for panic attack relief in a single tap, anytime. --- FOR PANIC ATTACKS, ANXIETY & MORE Most anxiety apps want you to meditate daily. This one works the moment you need it - for panic, anger, sadness, frustration, PTSD flashbacks, ADHD and nighttime anxiety. - Emergency panic button with calming audio & haptic feedback - Grounding techniques (5-4-3-2-1 sensory method, body scan) - Clinically-backed breathing exercises: box breathing, physiological sigh, 4-7-8, Wim Hof - Progressive muscle relaxation for physical anxiety symptoms - Somatic exercises for nervous system regulation - Distraction games to interrupt spiraling thoughts and break the anxiety loop --- NO BARRIERS TO RELIEF Open the app. Tap "Calm Me Now." Get relief in under 60 seconds. No long courses. No overwhelming options when you're already overwhelmed. --- FOREVER FREE CORE FEATURES - Emergency panic button & calming audio - Grounding & somatic exercises - Breathing techniques and breathwork (box breathing, physiological sigh & more) - Progressive muscle relaxation - Distraction games - Crisis hotlines for US, UK, Canada, Australia & most countries --- BUILT FOR THE HARD MOMENTS Whether it's a panic attack at work, 2am anxiety, nighttime PTSD, anger you can't shake, or insomnia that won't quit - Calm SOS meets you there. Track your triggers, build a personalized panic plan, and use the Night Protocol designed specifically for PTSD, trauma, insomnia and nighttime panic. Your nervous system doesn't need another meditation streak. It needs tools that work right now. --- PREMIUM: YOUR PERSONAL CALM COACH - AI-powered panic plan with pattern insights - Advanced breathing programs (Resonance, 4-7-8, Wim Hof) - Sleep routine for anxiety & insomnia - Daily check-in coach with mood tracking - Secure biometric journal with pattern analysis - Custom breathing program creator --- This app doesn't replace therapy - it bridges the gap between panic and peace. Use it in the parking lot before a meeting. At 2am when anxiety wakes you up. Anywhere you need to calm down fast. Download Calm SOS - the panic button in your pocket. FREE to use. Built for crisis. Works immediately. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Bilateral Calm

Features
Read full description

Bilateral Calm is a self-paced, self-help tool that uses bilateral stimulation to help your nervous system process stress, worry, and trauma-like responses. Pairing guided exercises with alternating left-right audio, it empowers you to regulate your emotions and build healthy habits anywhereβ€”no clinic visit required. The Science: What is Bilateral Stimulation? At the core of therapies like EMDR, bilateral stimulation uses rhythmic left-right input (via sound, tapping, or eye movement) to actively engage both brain hemispheres. This alternating input helps the nervous system process worry, stress, and emotional distress responses more effectively. Bilateral Calm delivers these proven therapeutic principles in short, accessible audio sessions. While not a substitute for clinical therapy, it serves as an excellent complement to your broader healing journey. Practices Tailored to Your Life. Our guided tasks are built around the everyday emotional experiences most people face. Each practice pairs bilateral sound with structured guided exercises to support 1. Stress & Emotions: Tension, worry, overwhelm, stress, burnout, grief, sadness, and anger. 2. Sleep & Rest: Anxiety about insomnia and nightmares. 3. Performance & Self: Stage fright, performance pressure, low self-worth, and boundaries. 4. Painful Memories & Healing: Trauma responses (as a self-help complement to therapy) and healing past painful stories. Designed for Your Needs. Work at Your Pace. Follow guided tasks for each practice. Pause whenever you need to, and return exactly when you are ready. Track Your Progress. Monitor your ongoing wellness journey with detailed progress tracking and a complete practice history. Daily Audio Library. A separate library of calming tones is available for continuous use, featuring deep-calm 432 Hz, gamma 40 Hz memory tones, ocean waves, and forest tones. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://bilateralcalm.com/privacy

Screenshots

Calm SOS4 screens
Bilateral Calm4 screens

Verdict

The call

The clearest difference is in-app purchases: Bilateral Calm at none against Calm SOS's 3. Bilateral Calm also leads on update cadence (every 3 days vs every 3 months) and iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Calm SOS sells 3 in-app purchases, starting at $2.99 per 7 days. Bilateral Calm asks for nothing beyond the download.

UpkeepUpdate frequency

Calm SOS ships an update every 3 months, Bilateral Calm every 3 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard3 real differences Β· 3 level
Calm SOS versus Bilateral Calm: the parameters behind the verdict, then further details
ParameterCalm SOSBilateral Calm
PriceFreeFree
Update frequencyEvery 3 monthsEvery 3 days β€” better
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS17.615.1 β€” better
Further details β€” not scored
Size65 MB180 MB
Age rating4+17+
DeveloperTHIERRY VICTOR E DE BELDERMood and Sleep Clinic LLC

In-app purchases

3 purchases

Calm SOS

Subscriptions3
  • Weekly$2.997 Days
  • Monthly$5.991 Month
  • Yearly7 Days trial$39.991 Year
None

Bilateral Calm

No in-app purchases

Questions

Is Calm SOS free?
Calm SOS is free to download, with in-app purchases available.
Is Bilateral Calm free?
Bilateral Calm is free to download, with no in-app purchases.
Do Calm SOS or Bilateral Calm have ads?
Neither Calm SOS nor Bilateral Calm shows ads.
Which is updated more often, Calm SOS or Bilateral Calm?
Calm SOS ships an update every 3 months, and Bilateral Calm every 3 days. Most recently, Calm SOS was updated on October 30, 2026 and Bilateral Calm on October 31, 2026.

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