Comparison

Flex vs Butter

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

Head to head
About

Flex

This app consolidates workplace wellness services, including gym access, well-being treatments, and electric bike sharing. It allows users to manage gym memberships, book classes, schedule appointments with practitioners, and reserve bikes.

Highlights
  • Gym news and class booking
  • Well-being and soft medicine services
  • Appointment scheduling for practitioners
  • Electric bike sharing and management
  • Workplace service integration
Features
Read full description

L'application FLEX réunit les services de sport, bien-être et mobilité douce présents sur votre lieu de travail, et s’adapte à votre demande pour vous aider à améliorer votre quotidien. - Salle de sport : Suivez toute l’actualité de votre salle de sport : retrouvez les informations relatives à votre salle, adhérez-y et réservez vos cours préférés facilement depuis votre smartphone. - Bien-être & soins & médecine douce : Découvrez les services qui composent l'univers MMSport en dehors de la salle de sport que proposent votre lieu de travail. Prenez rendez-vous pour des séances de kiné/ostéo avec nos partenaires praticiens, et bien d’autres fonctionnalités dépendant des services proposés par votre lieu de travail. - Vélo partage : Gérez votre flotte de vélos électriques grâce à l’application FLEX, réservez votre vélo électrique et planifiez son retour avec aisance. Télécharger et utiliser l’application FLEX est gratuit. L’adhésion à la salle de sport de votre lieu de travail nécessite un abonnement et un tarif spécifique est appliqué pour chaque service. https://board.mmsport.fr/easy/rgpd/CGU_FLEX_FINAL.pdf

About

Butter

Discover curated restaurant recommendations in Paris with advanced filtering by mood, budget, and dietary needs. Book tables instantly within the app and save your favorite spots to a personal list. Find all essential information like menus, photos, and hours in one place.

Highlights
  • Curated restaurant recommendations
  • Advanced search filters
  • Integrated table booking
  • Personalized favorite lists
  • Detailed restaurant information
Features
Read full description

Butter is a curated guide to the best places to eat and drink in Paris. Every address is chosen by hand and tested by our team: no sponsored spots, no paid rankings, no Asian-fusion-kebab brunch. THE MAP Explore Paris on a live map. Filter by time of day (lunch, dinner, drinks, brunch, breakfast), by occasion (date, with friends, with family, business), by budget, by district, by cuisine, by type of place or by vibe. Open now, no booking needed, kosher, 100% vegetarian, healthy: one tap and the map updates. THE GUIDES Every week, new guides from the Butter team and the community: hidden hotel bars, last-minute spots, the best pasta in town, where to go when you haven't booked… Keep the ones you like, they stay in your account. DECIDE Can't choose? Tell Butter the occasion, the time and the budget, then swipe. Butter learns from each card and recommends the one spot for tonight. EVERY SPOT, IN DETAIL Photos, a one-line verdict, why it's on Butter, opening hours, address with walking time, metro lines, booking link, menu, phone, website and Instagram. Plus Butter tips: the little things you should know before you go. SAVE AND ORGANIZE Save the places you want to try, mark the ones you've been to, create your own collections. Rate the restaurants you visit and read what other members think. BUTTER+ Members get every guide the moment it comes out, including the exclusive ones. Guides can also be bought one by one. Butter is available in English and French. Paris only, for now.

Screenshots

Flex3 screens
Butter4 screens

Verdict

The call

The clearest difference is review sentiment: Butter at 100% against Flex's 48%. Flex's advantage is monetization model (free vs free with in-app purchases) and device support (3 vs 1). On price, update cadence, ads and in-app purchases 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. Flex sells 6 in-app purchases, starting at $2.99 per month and Butter sells 20 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Flex ships an update every 3 weeks, Butter every 2 weeks. The most recent releases landed on October 18, 2026 and October 20, 2026 respectively.

Scorecard4 real differences · 6 level
Flex versus Butter: the parameters behind the verdict, then further details
ParameterFlexButter
PriceFreeFree
Rating4.2 (5 ratings) — better—
Positive reviews48.0% of reviews100.0% of reviews — better
Number of ratings5 — better—
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better17.0
Further details — not scored
Size87 MB63 MB
Age rating4+17+
DeveloperMMSPORTT'asEnvieDeQuoi

Customer experience

Flex

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews25 reviews
Positive48.0%
Neutral20.0%
Negative32.0%

Butter

Written reviews20 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

6 purchases

Flex

Subscriptions6
  • Abonnement podcast mensuel$2.991 Month
  • Cours en ligne - Mensuel$4.491 Month
  • Podcasts annuel$13.991 Year
Show 3 more
  • Cours en ligne abo annuel2 variants$18.491 Year
  • Cours en ligne - Annuel$18.491 Year
  • Cours en ligne abo annuel$18.991 Year
20 purchases

Butter

Subscriptions9
  • Butter+$7.991 Month
  • Mensuel réduit$7.991 Month
  • Abonnement mensuel7 Days trial$11.991 Month
Show 6 more
  • Abonnement mensuel$11.991 Month
  • Membership 3 mois$24.903 Months
  • Abonnement 6 mois$24.996 Months
  • Butter Premium Annuel$34.991 Year
  • Annuel promo$49.001 Year
  • Abonnement annuel$99.001 Year
One-time11
  • Feature_spin$0.99
  • Feature_swipe$0.99
  • Feature_choose$0.99
Show 8 more
  • Guide2$1.99
  • Premium 24H$2.00
  • Guide$3.00
  • 24h$3.00
  • Guide5$3.99
  • premium 24 heures$4.00
  • Marrakech$8.99
  • Marrakech$22.99

Questions

Is Flex free?
Flex is free to download, with in-app purchases available.
Is Butter free?
Butter is free to download, with in-app purchases available.
Do Flex or Butter have ads?
Neither Flex nor Butter shows ads.
Which is updated more often, Flex or Butter?
Flex ships an update every 3 weeks, and Butter every 2 weeks. Most recently, Flex was updated on October 18, 2026 and Butter on October 20, 2026.

Other comparisons