# Surface Coach vs Flexx.

The clearest difference is update cadence: Surface Coach at every 2 weeks against Flexx.'s every 9 months. Flexx.'s advantage is iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Surface Coach ships an update every 2 weeks, Flexx. every 9 months. The most recent releases landed on September 14, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Surface Coach | Flexx. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/flexx/id6475006579/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 9 months |
| Monetization | — | Free |
| Size | 260 MB | 148 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [RS CONSEILS & DEVELOPPEMENT](https://appshunter.io/developer/1660270160) | [Flexx](https://appshunter.io/developer/1723037324) |

## What reviewers say

### Surface Coach

[App page](https://appshunter.io/ios/app/surface-coach/id1660270158)

**In-app purchases:** none


### Flexx.

[App page](https://appshunter.io/ios/app/flexx/id6475006579)

This app helps you monitor workouts, track progress, and achieve fitness goals with personalized plans and engaging challenges. It integrates with HealthKit for seamless data syncing and offers class scheduling.

**Highlights:** Workout tracking, Personalized training plans, Activity level milestones, Fun challenges with rewards, Class scheduling and booking, HealthKit integration

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Surface Coach free?

Surface Coach is free to download, with no in-app purchases.

### Is Flexx. free?

Flexx. is free to download, with no in-app purchases.

### Do Surface Coach or Flexx. have ads?

Neither Surface Coach nor Flexx. shows ads.

### Which is updated more often, Surface Coach or Flexx.?

Surface Coach ships an update every 2 weeks, and Flexx. every 9 months. Most recently, Surface Coach was updated on September 14, 2026 and Flexx. on September 13, 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.*