# Chamonix vs Espace Diamant

The clearest difference is rating: Chamonix at 4.8 against Espace Diamant's 4.0. Chamonix also leads on review sentiment (64% vs 38%) and ratings volume (523 vs 3). Espace Diamant's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, 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.

Chamonix holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Chamonix has 523 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 64% of Chamonix's written reviews are positive against 38% of Espace Diamant's.

Chamonix ships an update every 5 weeks, Espace Diamant every 2 months. The most recent releases landed on September 25, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Chamonix | Espace Diamant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (523 ratings)](https://appshunter.io/ios/app/chamonix/id396944435/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/espace-diamant/id403721834/reviews) |
| Number of ratings | **523** | 3 |
| Positive reviews | **63.7% of reviews** | 37.7% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 60 MB | 57 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [COMPAGNIE DU MONT BLANC](https://appshunter.io/developer/1453044169) | [Espace Diamant](https://appshunter.io/developer/1777072719) |

## What reviewers say

### Chamonix

[App page](https://appshunter.io/ios/app/chamonix/id396944435)

Your official guide to Chamonix and its ski resorts. Get real-time updates on piste and lift openings, weather, snow conditions, and access interactive town maps. Plan your activities with event listings and transport schedules.

**Highlights:** Real-time piste and ski-lift status, Ski pass top-up, Weather and snow forecasts, Augmented reality mountain positioning, Interactive town map with services, Event and activity listings, Transport timetables

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🗺️ Comprehensive piste maps and trail information
- 🌤️ Accurate weather forecasts and predictions
- 📡 Live lift status and opening information
- 📹 Panoramic webcams for mountain views
- 🚌 Bus and train schedule information

**What reviewers complain about**

- 🐛 Frequent app crashes on launch
- 🐛 Crashes when accessing maps or specific features
- 😤 Difficult user interface navigation
- 🔄 App resets unexpectedly to home page
- ⚠️ Inaccurate or outdated lift status information

**Reported bugs**

- App crashes immediately upon opening after updates
- App crashes when loading main screen
- Weather menu not functioning or stuck on single location
- Lift status feature broken (particularly Les Grands Montets)
- Maps crash the app when accessed

**Requested features**

- English language version or language switching option
- Bus route planner with live updates
- Piste listings organized by color coding instead of alphabetically
- Updated lift information (e.g., Tabe lift at Grand Montets)
- Improved weather forecast UI and accessibility


### Espace Diamant

[App page](https://appshunter.io/ios/app/espace-diamant/id403721834)

Enhance your ski trip with real-time resort information. Access dynamic maps, GPS tracking, weather forecasts, and essential contact details for a safer and more convenient experience on the slopes.

**Highlights:** Dynamic ski area map, GPS localization, Detailed weather forecast, Ski resort address book, Emergency phone numbers

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Chamonix free?

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

### Is Espace Diamant free?

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

### Which has better reviews, Chamonix or Espace Diamant?

Chamonix is rated higher. Chamonix averages 4.8 out of 5 from 523 ratings, while Espace Diamant averages 4.0 from 3 ratings.

### Do Chamonix or Espace Diamant have ads?

Chamonix shows ads; Espace Diamant does not.

### Which is updated more often, Chamonix or Espace Diamant?

Chamonix ships an update every 5 weeks, and Espace Diamant every 2 months. Most recently, Chamonix was updated on September 25, 2026 and Espace Diamant on September 24, 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.*