Comparison

Constance vs Zen by Studio Coaching

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

Head to head
About

Constance

This AI-powered coach helps you achieve your health and fitness goals with personalized calorie and macro tracking. It adapts to your lifestyle, offering flexible plans and support to maintain consistency without guilt. Features include workout planning, recipe sharing, and community interaction.

Highlights
  • AI-powered calorie and macro tracking
  • Flexible meal logging (AI, photo, voice, scan)
  • Adaptive daily targets
  • Personalized training plans and exercise library
  • Recipe creation and sharing
  • Community support and friend interaction
  • Apple Health integration
Features
Read full description

Constance is your AI-powered nutrition and fitness coach. Reach your goals without overthinking them, and without giving everything up after one slip. REACH YOUR GOALS - Calories and macros (protein, carbs, fat) calculated from your profile and your goal: lose weight, build muscle or maintain. - Log a meal in seconds: describe it to the AI, photograph it, dictate it, or scan a barcode. - One clear daily target, updated in real time. A COACH THAT FITS REAL LIFE Ate too much, gave in to fast food, skipped a session, gained weight? Don't panic. Constance looks at what happened, offers an alternative and rebalances your plan to keep you on track. No more guilt. YOUR TRAINING PLAN - Structured sessions laid out in a simple calendar. - Plan, add and tick off your workouts. - An illustrated exercise library so you never have to guess a movement. - Track your consistency month after month. RECIPES, YOURS AND THEIRS - Create your own recipes and see their calories and macros at a glance. - Discover other people's and copy them into your book: the original author always stays credited. A COMMUNITY THAT KEEPS YOU GOING - Share your meals and workouts, cheer your friends on, get inspired by the World feed and the weekly Top. - Follow people who look like you: Constance suggests profiles with a build and goals close to yours. - Private messaging between friends: chat, send a photo, a workout or a recipe in one tap. - Reporting, blocking and moderation everywhere: here, you make progress safely. CONNECTED TO APPLE HEALTH - Today's steps appear right above your calories. - Workouts recorded in the Fitness app or on your smartwatch are added to your plan automatically and counted in the calories you burn. - Read-only, and you switch it on whenever you want from Privacy. WATCH YOUR PROGRESS - Weight trend, before/after photos, consistency calendar. - Smart summaries that show you what actually works for you. WHY CONSTANCE? Because consistency beats perfection. We help you keep going over the long run, with intelligence and kindness. SUBSCRIPTIONS Constance is free to use. AI features and advanced insights are included in an auto-renewing subscription, monthly or yearly, whose price is shown in the app before any purchase, in your currency. Payment is charged to your Apple Account at confirmation. The subscription renews automatically unless canceled at least 24 hours before the end of the current period; you can manage it and turn off renewal at any time in your Apple Account settings. --- Privacy Policy: https://constance.cloud/confidentialite-en.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Zen by Studio Coaching

Read full description

Zen, c'est ton coaching Studio Coaching dans la poche — pas une appli de plus, mais un vrai accompagnement où un coach humain valide chaque programme. Tu remplis ton profil (sport, objectifs, records, mode de vie) et Zen te construit un programme sur mesure, calibré à TON niveau et à TES objectifs — puis ton coach le relit, l'ajuste et le valide avant que tu le reçoives. CE QUE TU PEUX FAIRE • Programmes sur mesure : force athlétique, haltéro, street lifting, Hyrox, ATHX, running, triathlon, musculation… avec progression réelle semaine après semaine. • Séance Express : une séance à la demande selon ton temps, ton matériel et ta forme du jour. • Objectifs & compétitions : choisis ta compétition Hyrox / ATHX en Europe et l'app cale ton échéance et ta prépa. • Cardio connecté : relie ton compte Strava et tes courses, sorties vélo et natation alimentent automatiquement ton profil (allures, FC, VMA, records). • Nutrition : un plan adapté à tes objectifs et ta programmation (option). • Suivi de progression : records, charges, assiduité, bloc-notes de performances. POUR QUI Débutant motivé ou athlète confirmé : Zen s'adapte à ton niveau, tes disciplines et tes contraintes (matériel, planning, santé). Un coaching précis commence par un profil complet — l'app te guide pas à pas. Édité par Studio Coaching (Le Mans). « Powered by Strava » pour les données Strava. Conditions d'utilisation (EULA) : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Politique de confidentialité : https://zen-confidentialite.vercel.app

Screenshots

Constance4 screens
Zen by Studio Coaching4 screens

Verdict

The call

The clearest difference is update cadence: Constance at every 5 days against Zen by Studio Coaching's every 2 weeks. On price, ads, in-app purchases 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. Constance sells 2 in-app purchases, starting at $1.99 per month and Zen by Studio Coaching sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Constance ships an update every 5 days, Zen by Studio Coaching every 2 weeks. Both last shipped on November 5, 2026.

Scorecard1 real difference · 7 level
Constance versus Zen by Studio Coaching: the parameters behind the verdict, then further details
ParameterConstanceZen by Studio Coaching
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 5 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size18 MB34 MB
Age rating4+4+
DeveloperHedi Minvielle-debatStudio Coaching

In-app purchases

2 purchases

Constance

Subscriptions2
  • Constance Essential$1.991 Month
  • Constance AI$2.991 Month
2 purchases

Zen by Studio Coaching

Subscriptions2
  • Zen Premium Mensuel7 Days trial$8.991 Month
  • Zen Premium Annuel7 Days trial$49.991 Year

Questions

Is Constance free?
Constance is free to download, with in-app purchases available.
Is Zen by Studio Coaching free?
Zen by Studio Coaching is free to download, with in-app purchases available.
Do Constance or Zen by Studio Coaching have ads?
Neither Constance nor Zen by Studio Coaching shows ads.
Which is updated more often, Constance or Zen by Studio Coaching?
Constance ships an update every 5 days, and Zen by Studio Coaching every 2 weeks. Most recently, Constance was updated on November 5, 2026 and Zen by Studio Coaching on November 5, 2026.

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