Comparison

RespiRelax+ vs Noire Sleep

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

Head to head
About

RespiRelax+

Improve your breathing and manage stress with guided exercises. This app offers personalized programs and offline functionality for consistent practice, promoting well-being and cardiac coherence.

Highlights
  • Personalized breathing programs
  • Stress management exercises
  • Cardiac coherence training
  • Offline practice mode
  • Adjustable session duration
  • Soothing visual and sound environments
Features
Read full description

Respirelax+, c'est 5 min de pratique pour 5h de bien être. Mieux respirer, mieux gérer son stress et travailler la cohérence cardiaque avec Respirelax+. L’évolution que nous vous proposons aujourd’hui intègre une facilité d’utilisation quelque soit votre niveau de pratique et permet d’aller encore plus loin grâce à un programme PERSONNALISER enrichi. Gratuite, efficace et simple d’utilisation même en mode «avion» ou «hors-ligne» grâce à une ergonomie très intuitive. Application, exercices, contenus et environnement sonore développés en collaboration avec Yves-Vincent DAVROUX, Respithérapeute, et référent respiration aux Thermes d’Allevard. Avec cette nouvelle version, il vous est désormais possible : - De gérer facilement la durée des sessions pour adapter votre pratique à vos séances au quotidien - De bénéficier d’un nouvel environnement visuel et sonore, apaisant et sobre en énergie - D’effectuer les réglages les plus adéquats en fonction de votre pratique et de vos attentes en sélectionnant le mode visuel et/ou sonore - De pratiquer les exercices hors connexion, n’importe où et de préférence en pleine nature - De pratiquer avec des écouteurs ou casque audio en mode sonore, pour vous recentrer sur votre pratique sans être dérangé par les environnements extérieurs - De coupler l’application à une enceinte nomade pour des séances collectives, en mode «avion» ou «hors-ligne», sans être dérangé par un appel Informations d’usage complémentaire : - Pour les débutants, commencez toujours par le mode DEBUTER - Encouragez une pratique régulière, au moins 1 fois par jour, pour en vérifier les effets - Préférez une fréquence des séances soutenable - Intégrez les exercices comme une philosophie de vie, de réconciliation avec soi, avec la nature - Ne jamais forcer - Si la tête tourne et si une gêne respiratoire survient, arrêtez la séance et reprenez une respiration naturelle - Favorisez une respiration ample, douce et calme avec le diaphragme - Avancez par étape et prenez le temps d’intégrer les programmes progressivement - Disponible sur Apple Store et Google Store Cette application a été développée par les Thermes d’Allevard (Isère-France), Pour aller plus loin : https://respirelax.eu Ambiance sonore : Studio AUDIOBLEND- Roubaix

About

Noire Sleep

This app analyzes your sleep patterns using your iPhone's microphone and Apple Watch data. It provides personalized programs and AI coaching to help you understand and improve your sleep quality, with features like smart alarms and sleep sound playback.

Highlights
  • AI-powered sleep analysis
  • Personalized sleep programs
  • Smart alarm with cycle tuning
  • Snoring and sound detection
  • Sleep stage and vital tracking
  • AI sleep coach (Luna)
  • Sleep sound library
Features
Read full description

Do you wake up feeling tired without knowing why? Noire Sleep tells you what actually happens during your nights, then helps you take back control. It listens, it measures, it explains, then it offers solutions that fit your profile. And everything stays on your iPhone. YOUR ALARM BECOMES A CHALLENGE An alarm you switch off with one tap gets switched off in your sleep. Noire's only stops once you have cleared your challenge, and you pick one of six: type a code, solve maths, shake your phone, take a few steps, photograph a spot in your home, or find a randomly drawn object. Three of them force you out of bed for good. You set the difficulty, and it is a real system alarm: it rings even on silent. YOUR PERSONALIZED PROGRAM Sleeping badly is almost never a fate, it is a series of settings. Noire builds your program from your answers and your real nights: a few actions every day, a streak that rewards consistency and forgives one miss, and regular check-ins to see how far you have come. With Noire Sleep, you can also: • Wake up at the right moment, in a window tuned to your 90 minute cycles • Find out whether you snore, and how much, with listening that tells snoring, speech, coughing and breathing apart • Play back your night sounds, keep your favourites and follow your trend week after week • Understand your night score, built from how long you slept, when you went to bed and how often you woke • Talk to Luna, your AI coach, who knows your real nights and answers from them • Follow your sleep stages and vitals from your smartwatch • Track your sleep debt, your daily energy and your progress over 30 and 90 days • Fall asleep faster with sounds made for sleep: rain, ocean, white, pink and brown noise, binaural beats Your recordings never leave your phone: everything is analyzed on your iPhone, nothing is ever uploaded. Your health data stays in Apple Health, and you can export everything to CSV whenever you want. No ads, no data resale, servers hosted in Europe. Start your first Night Session tonight. Tomorrow morning, you will know where to begin. Noire Sleep is not a medical device and does not provide medical advice. Privacy Policy: https://noire-app.com/privacy Terms of Use: https://noire-app.com/terms

Screenshots

RespiRelax+4 screens
Noire Sleep4 screens

Verdict

The call

The clearest difference is in-app purchases: RespiRelax+ at none against Noire Sleep's 2. Noire Sleep's advantage is review sentiment (100% vs 70%). On price, update cadence, ads and device support 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. Noire Sleep sells 2 in-app purchases, starting at $8.99 per month. RespiRelax+ asks for nothing beyond the download.

UpkeepUpdate frequency

RespiRelax+ ships an update every 3 weeks, Noire Sleep every 11 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
RespiRelax+ versus Noire Sleep: the parameters behind the verdict, then further details
ParameterRespiRelax+Noire Sleep
PriceFreeFree
Rating4.1 (16 ratings) — better—
Positive reviews69.6% of reviews100.0% of reviews — better
Number of ratings16 — better—
Update frequencyEvery 3 weeksEvery 11 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size84 MB92 MB
Age rating4+4+
DeveloperLes Thermes d'AllevardMATEO CARDINAL

Customer experience

RespiRelax+

All ratings16 ratings
Positive81.3%
Neutral0.0%
Negative18.8%
Written reviews92 reviews
Positive69.6%
Neutral12.0%
Negative18.5%

Noire Sleep

Written reviews8 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

RespiRelax+

Reported bugs

12 issues
  • Custom session timing not constant
  • Progressive sound option disappeared
  • Sound settings not remembered
  • Customization option not functional
  • Cannot use with headphones
Show 7 more
  • Sound not working on Apple devices
  • App rotation issue on iPad
  • Screen remains on after session
  • App cannot be deleted
  • Sound issues with new version
  • Grating sound at direction changes
  • Minor crackling sound

Requested features

14 requests
  • Apple Watch integration
  • Customizable hold/apnea phases
  • Ability to combine sessions
  • Add duration of apnea for experts
  • Calendar/progress tracking
Show 9 more
  • Reminders for sessions
  • Option to choose old music/sounds
  • Vibrator mode for public use
  • Screen turns off automatically
  • More contrast in colors for low vision
  • Longer inhale/exhale duration (up to 15s)
  • Ability to hold breath between breaths
  • Choice of background music for relaxation
  • Full protocol including respiration, imagination, and positive feelings

Noire Sleep

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

RespiRelax+

No in-app purchases

2 purchases

Noire Sleep

Subscriptions2
  • Noire Premium Mensuel7 Days trial$8.991 Month
  • Noire Premium Annuel7 Days trial$44.991 Year

Questions

Is RespiRelax+ free?
RespiRelax+ is free to download, with no in-app purchases.
Is Noire Sleep free?
Noire Sleep is free to download, with in-app purchases available.
Do RespiRelax+ or Noire Sleep have ads?
Neither RespiRelax+ nor Noire Sleep shows ads.
Which is updated more often, RespiRelax+ or Noire Sleep?
RespiRelax+ ships an update every 3 weeks, and Noire Sleep every 11 days. Most recently, RespiRelax+ was updated on October 26, 2026 and Noire Sleep on October 25, 2026.

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