Comparison

Calm SOS vs Impulse Mode

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

Impulse Mode

Features
Read full description

Impulse is a guided experiment for changing a stuck behavior β€” with structure, not willpower. Instead of focusing only on planning or reflection, Impulse helps you work through urges in the moment they arise. You begin with a free baseline to observe patterns, then run a short experiment to test what actually works for you. Features: β€’ Free baseline to understand triggers and patterns β€’ In-the-moment intervention tracking β€’ Daily reflection and structured adjustments β€’ Anonymous by design β€” no name or email required Impulse is a non-clinical tool for self-observation and experimentation. It does not provide therapy, diagnosis, or medical treatment.

Screenshots

Calm SOS4 screens
Impulse Mode4 screens

Verdict

The call

The clearest difference is in-app purchases: Impulse Mode at none against Calm SOS's 3. Calm SOS's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement 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. Impulse Mode asks for nothing beyond the download.

UpkeepUpdate frequency

Calm SOS ships an update every 3 months, Impulse Mode every 2 months. The most recent releases landed on November 12, 2026 and November 9, 2026 respectively.

Scorecard2 real differences Β· 4 level
Calm SOS versus Impulse Mode: the parameters behind the verdict, then further details
ParameterCalm SOSImpulse Mode
PriceFreeFree
Update frequencyEvery 3 monthsEvery 2 months β€” better
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPad, Apple Watch β€” betteriPhone
Requires iOS17.616.4 β€” better
Further details β€” not scored
Size65 MB139 MB
Age rating4+12+
DeveloperTHIERRY VICTOR E DE BELDERMichael Dawson

In-app purchases

3 purchases

Calm SOS

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

Impulse Mode

No in-app purchases

Questions

Is Calm SOS free?
Calm SOS is free to download, with in-app purchases available.
Is Impulse Mode free?
Impulse Mode is free to download, with no in-app purchases.
Do Calm SOS or Impulse Mode have ads?
Neither Calm SOS nor Impulse Mode shows ads.
Which is updated more often, Calm SOS or Impulse Mode?
Calm SOS ships an update every 3 months, and Impulse Mode every 2 months. Most recently, Calm SOS was updated on November 12, 2026 and Impulse Mode on November 9, 2026.

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