Comparison

Coherence vs ALTERD

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

Head to head
About

Coherence

Master your nervous system through guided breathwork. Access over 500 breathing patterns to shift your state, from calm and focus to energy and sleep. Connect with a global community in live sessions and create custom routines.

Highlights
  • Nervous system interface via breath
  • Shift states: calm, focus, energy, sleep
  • Daily global live breathing sessions
  • 500+ research-backed breathing patterns
  • Custom breathing sequence creator
  • Progress tracking and stats
  • Community features and leaderboards
Features
Read full description

YOUR NERVOUS SYSTEM, ON DEMAND Coherence is a nervous system interface. Using the science of breath, shift into calm, focus, or energy in minutes. Your breath is the only autonomic function you can consciously control - a direct line to your nervous system. Coherence gives you the patterns to use it. SHIFT YOUR STATE - Calm: Activate your parasympathetic system to release stress - Focus: Enter alert relaxation for deep work - Energy: Stimulate your system for peak performance - Sleep: Downregulate for faster, deeper rest BREATHE WITH THE WORLD Join the Daily Sync - a live global session where people worldwide breathe together in perfect unison. Watch participants appear around a real-time 3D Earth. Set an intention. Experience collective coherence. 500+ BREATHING PATTERNS Techniques selected from peer-reviewed research and proven traditions: - Coherence: Heart-brain synchronization (5.5s rhythm) - Box Breath: Used by Navy SEALs for composure under pressure - 4-7-8: Vagal activation for rapid calm - Physiological Sigh: The fastest way to reduce stress - Vortex: Fibonacci-based energizing sequence - Tummo: Traditional Tibetan inner heat practice - Sleep, Focus, Energy patterns and more CREATE YOUR OWN Build custom breathing sequences with our visual editor. Set phase durations, add music from Spotify or Apple Music, record your own voice guidance, and share with the community. TRACK YOUR REGULATION - Streaks and daily practice stats - Session history and insights - Weekly progress visualization - Level progression system COMPETE & CONNECT - Weekly leagues with promotion and demotion - Global leaderboards - User profiles and friends - Invite others to sync sessions DESIGNED FOR FOCUS - Minimalist dark interface - Zen mode fades the UI so nothing distracts you - Beautiful animations guide your breath - Sonic cues keep you on rhythm - Works with screen off - Works in airplane mode SUBSCRIPTION All features require an active subscription: - Monthly: $9.99/month - Annual: $39.99/year (3-day free trial) - Cancel anytime in App Store settings Take control of your nervous system. Terms of Use: https://www.coherencebreath.com/terms Privacy Policy: https://www.coherencebreath.com/privacy

About

ALTERD

This AI-powered app offers a private space for exploring altered states of consciousness through journaling and community interaction. It provides AI analysis of your thoughts for personal growth, creativity, and self-understanding, alongside educational resources and harm reduction guides.

Highlights
  • AI-powered journaling
  • State-aware thought capture
  • AI insight summaries
  • Anonymous community feed
  • Knowledge hub with educational content
  • Harm reduction guides
Features
Read full description

Altered states are not escapes; they are portals. ALTERD is an AI-powered journaling app + community designed for intentional exploration of altered states of consciousness. Record state-aware thoughts in a safe, educational context. Our AI automatically analyzes your thoughts to help you with personal growth, explore your soul / mind, integrate, spark creativity, and connect with a supportive community. Journaling & Capture Pick your state each time you enter the app. Capture your thoughts, emotions, and reflection. Use intelligent prompts help you record the nuance details, creating a rich journal that evolves with you. Privacy & Anonymity First ALTERD is your private space for self-exploration. We do not allow public attribution of entries to any specific user. What you share is yours alone—safe, secure, and anonymous by default. AI Integration and Understanding Your entries aren’t just stored—they’re transformed. Advanced AI tools analyze your journal entries, detecting mood patterns, recurring themes, and unique insights that help you better understand your inner experiences. Look forward to AI insight summaries that automatically analyze your personal journey. Understand yourself with other AI tools - such as "Chat with your subconscious" or calling up @being or the "Brilliance Detector." Community Feed Explore and share anonymously within our supportive community, united in exploring consciousness and the human experience. Knowledge Hub Bridge science with spirituality. Tutorials, news, real stories, research deep dives, harm-reduction guides, and practical tips on altered states, consciousness, and mental health. Educational & Harm Reduction Focus ALTERD prioritizes education and safety. References to substances are solely for harm reduction and educational purposes. We do not encourage or facilitate the use, sale, or exchange of any illegal or controlled substances. Content Moderation ALTERD employs strict content moderation to remove any material that promotes unsafe behavior. Users must follow all local laws and regulations. ALTERD is intended solely as an exploration tool that empowers individuals to learn about and discuss states of consciousness in a safe and legal context. We do not endorse, recommend, or encourage the use of any illegal substances, tobacco, or vaping products. Our content does not promote, facilitate, or glamorize the sale or consumption of any controlled or illegal substances, tobacco products, vaping products, or excessive alcohol usage. We explicitly prohibit minors from using this app in any capacity related to substance use. We encourage users to follow all applicable laws and regulations in their local jurisdictions. Educational and Harm Reduction Focus Any content presented is for educational and informational purposes only and should not be interpreted as medical or legal advice. We firmly believe in harm-reduction and responsible decision-making and provide resources or information aimed at fostering safety and well-being. No Sales or Transactions The app does not enable the purchase, transaction, or exchange of any controlled substances or related items. We do not host or link to any services facilitating such transactions. Doing so will result in a ban from our platform. Subscription Details (ALTERD Premium) ALTERD Premium is offered as a monthly auto-renewing subscription. Payment is charged to your Apple ID account upon purchase. Your subscription will automatically renew unless auto-renew is turned off at least 24 hours before the current period ends. Your account is charged for renewal within 24 hours prior to the subscription’s expiration. You can manage or cancel your subscription anytime in your Apple ID Account Settings. For more information, please review our Terms, Privacy Policy, and EULA (linked below) TERMS OF USE: https://www.alterd.me/terms PRIVACY POLICY: https://www.alterd.me/privacy EULA AGREEMENT: https://www.alterd.me/eula

Screenshots

Coherence4 screens
ALTERD4 screens

Verdict

The call

The clearest difference is monetization model: ALTERD at free with in-app purchases against Coherence's subscription. Coherence's advantage is review sentiment (85% vs 63%) and update cadence (every 4 days vs fortnightly). On price, rating, ratings volume and ads there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Coherence sells 6 in-app purchases, starting at $14.99 per month and ALTERD sells 19 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Coherence against 4.7 for ALTERD. Both are backed by a comparable volume of ratings — 631 and 722 respectively. Written reviews are what separate them: 85% of Coherence's written reviews are positive against 63% of ALTERD's.

UpkeepUpdate frequency

Coherence ships an update every 4 days, ALTERD fortnightly. Both last shipped on October 30, 2026.

Scorecard3 real differences · 7 level
Coherence versus ALTERD: the parameters behind the verdict, then further details
ParameterCoherenceALTERD
PriceFreeFree
Rating4.8 (631 ratings) — better4.7 (722 ratings)
Positive reviews85.1% of reviews — better63.1% of reviews
Number of ratings631722 — better
Update frequencyEvery 4 days — betterFortnightly
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better16.0
Further details — not scored
Size225 MB182 MB
Age rating4+17+
DeveloperJohn SweeneyALTERD

Customer experience

Coherence

All ratings619 ratings
Positive94.3%
Neutral1.5%
Negative4.2%
Written reviews101 reviews
Positive85.1%
Neutral2.0%
Negative12.9%

ALTERD

All ratings692 ratings
Positive93.1%
Neutral2.2%
Negative4.8%
Written reviews103 reviews
Positive63.1%
Neutral10.7%
Negative26.2%

User reviews

Coherence

From 631 App Store ratings

What we love

  • 👍 Excellent accessibility and interface
  • 🚀 Great integration into daily routine
  • 👍 Amazing experience and awesome sequences
  • 👍 Breathwork is one of the best things for health
  • 👍 Helps cut down on vices, boost vibes, and be a smooth operator

ALTERD

From 722 App Store ratings

What we love

  • 🚀 Incredible app with a supportive community
  • 👍 Authentic and represents the human experience
  • 🚀 Transformative for mindfulness, creativity, and personal growth
  • 👍 Allows users to be seen, heard, and respected without judgment
  • 👍 Continuous improvements and great developer responsiveness

Room to improve

  • 🔍 Wish there was a way to search and add users as friends
  • 🤖 AI insights could use further improvements

Bugs and requests

Coherence

No bugs or feature requests surfaced in reviews.

ALTERD

Reported bugs

1 issue
  • No AI insights generated for some users

Requested features

2 requests
  • Search and add users as friends
  • Improve AI insights quality and frequency

In-app purchases

6 purchases

Coherence

Subscriptions6
  • Coherence Monthly Membership$14.991 Month
  • Coherence Membership3 Days trial$69.991 Year
  • Coherence Friend Pass14 Days trial$69.991 Year
Show 3 more
  • Coherence Membership$69.991 Year
  • Coherence Membership1 Month trial$69.991 Year
  • Coherence3 Months trial$69.991 Year
19 purchases

ALTERD

Subscriptions19
  • ALTERD Premium Weekly$2.997 Days
  • ALTERD Weekly$2.997 Days
  • ALTERD Premium Weekly$4.997 Days
Show 16 more
  • ALTERD Premium Monthly7 Days trial$7.991 Month
  • PREMIUM monthly7 Days trial$7.991 Month
  • ALTERD Premium Monthly$9.991 Month
  • ALTERD Premium Monthly7 Days trial$9.991 Month
  • ALTERD Monthly7 Days trial$9.991 Month
  • ALTERD Monthly7 Days trial$12.991 Month
  • ALTERD Premium Monthly7 Days trial$12.991 Month
  • ALTERD Premium$24.993 Months
  • ALTERD Premium Yearly3 Days trial$29.991 Year
  • ALTERD Premium7 Days trial2 variants$39.991 Year
  • ALTERD Premium3 Days trial$39.991 Year
  • ALTERD Yearly7 Days trial$49.991 Year
  • PREMIUM Yearly7 Days trial$76.991 Year
  • ALTERD Yearly7 Days trial$76.991 Year
  • ALTERD Yearly7 Days trial$99.991 Year
  • ALTERD Premium Yearly7 Days trial$99.991 Year

Questions

Is Coherence free?
Coherence is free to download, with in-app purchases available.
Is ALTERD free?
ALTERD is free to download, with in-app purchases available.
Which has better reviews, Coherence or ALTERD?
Coherence is rated higher. Coherence averages 4.8 out of 5 from 631 ratings, while ALTERD averages 4.7 from 722 ratings.
Do Coherence or ALTERD have ads?
Neither Coherence nor ALTERD shows ads.
Which is updated more often, Coherence or ALTERD?
Coherence ships an update every 4 days, and ALTERD fortnightly. Most recently, Coherence was updated on October 30, 2026 and ALTERD on October 30, 2026.

Other comparisons