# Flex vs Butter

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.

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.

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.

## The numbers

| Metric | Flex | Butter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/flex/id1551175364/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 48.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 87 MB | 63 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [MMSPORT](https://appshunter.io/developer/1094277528) | [T'asEnvieDeQuoi](https://appshunter.io/developer/1821172867) |

## What reviewers say

### Flex

[App page](https://appshunter.io/ios/app/flex/id1551175364)

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:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abonnement podcast mensuel | $2.99 | per month |
| Cours en ligne - Mensuel | $4.49 | per month |
| Podcasts annuel | $13.99 | per year |
| Cours en ligne abo annuel | $18.49 | per year |
| Cours en ligne - Annuel | $18.49 | per year |
| Cours en ligne abo annuel | $18.99 | per year |


### Butter

[App page](https://appshunter.io/ios/app/butter-restaurants-guide/id6749227938)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (20)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Butter+ | $7.99 | per month |
| Mensuel réduit | $7.99 | per month |
| Abonnement mensuel | $11.99 | per month |
| Abonnement mensuel | $11.99 | per month |
| Membership 3 mois | $24.90 | per 3 months |
| Abonnement 6 mois | $24.99 | per 6 months |
| Butter Premium Annuel | $34.99 | per year |
| Annuel promo | $49.00 | per year |
| Abonnement annuel | $99.00 | per year |
| Feature_spin | $0.99 | one-time |
| Feature_swipe | $0.99 | one-time |
| Feature_choose | $0.99 | one-time |
| Guide2 | $1.99 | one-time |
| Premium 24H | $2.00 | one-time |
| Guide | $3.00 | one-time |
| 24h | $3.00 | one-time |
| Guide5 | $3.99 | one-time |
| premium 24 heures | $4.00 | one-time |
| Marrakech | $8.99 | one-time |
| Marrakech | $22.99 | one-time |


## Frequently asked 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.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*