# Mountain Project vs Avalanche Lab

The clearest difference is review sentiment: Avalanche Lab at 91% against Mountain Project's 36%. Avalanche Lab also leads on iOS requirement (11.0 vs 16.0). Mountain Project's advantage is in-app purchases (none vs 2) and ratings volume (4.6K vs 15). On price, ads and device support there is nothing between them.

Both are free to download. Avalanche Lab sells 2 in-app purchases, starting at $9.99 per year. Mountain Project asks for nothing beyond the download.

Mountain Project holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Mountain Project has 4.6K ratings behind it against 15, so its average is the more settled of the two. Written reviews complicate that: 36% of Mountain Project's written reviews are positive against 91% of Avalanche Lab's, so the app with the better star average is not the one people write more warmly about.

Mountain Project ships an update every 3 weeks, Avalanche Lab every 2 months. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Mountain Project | Avalanche Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (4.6K ratings)](https://appshunter.io/ios/app/mountain-project/id452308783/reviews)** | [4.3 (15 ratings)](https://appshunter.io/ios/app/avalanche-lab/id477838698/reviews) |
| Number of ratings | **4.6K** | 15 |
| Positive reviews | 36.0% of reviews | **90.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 79 MB | 23 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Adventure Projects Inc.](https://appshunter.io/developer/452308787) | [RENAISSANCE RECREATION LLC](https://appshunter.io/developer/961533274) |

## What reviewers say

### Mountain Project

[App page](https://appshunter.io/ios/app/mountain-project/id452308783)

Discover and navigate to outdoor climbing areas, and find specific routes with detailed filters. Access route beta, photos, and topos offline, and view climbing area statistics. Connect with other climbers in the forum, track your progress, and create to-do lists.

**Highlights:** Find and navigate to climbing areas, Sort routes by discipline, difficulty, and rating, Search 155,000+ climbing routes offline, Download route beta, photos, and topos for offline use, View climbing area route statistics and critical info, Connect with climbers in the forum, Track attempts, sends, and create to-do lists

**Features:** macOS Compatibility, iMessage stickers, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🗺️ Extensive database of climbing routes
- 📚 Detailed route information and beta
- 🗺️ Offline access to downloaded areas
- 👥 Helpful community contributions
- 📸 Useful photos and visuals

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🗺️ Inaccurate or outdated map information
- 🔍 Inefficient search and navigation
- 💰 Excessive advertising and promotion of other apps
- 📝 Inability to add comments or photos from the app

**Reported bugs**

- App crashes when opening routes or areas
- Map not showing all available climbs
- Incorrect date recording for ticks
- Inability to delete downloaded areas
- Login issues and account sync problems

**Requested features**

- Add ability to add/update routes and areas
- Implement better offline map functionality
- Improve search and filtering options
- Add user profile and route tracking features
- Enhance community engagement tools


### Avalanche Lab

[App page](https://appshunter.io/ios/app/avalanche-lab/id477838698)

Record snow and avalanche data in the field using your iPhone. Measure slope angles, record crown profiles, and map slides with GPS. Share your findings instantly with colleagues and the wider community.

**Highlights:** Snow pit diagram creation, GPS slide mapping, Slope angle measurement, Crown profile recording, Offline field use, Data export (PDF, KML, CAAML), Import CAAML profiles

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Observation PRO Subscription | $9.99 | per year |
| Avalanche Lab PRO | $9.99 | per year |


## Frequently asked questions

### Is Mountain Project free?

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

### Is Avalanche Lab free?

Avalanche Lab is free to download, with in-app purchases available.

### Which has better reviews, Mountain Project or Avalanche Lab?

Mountain Project is rated higher. Mountain Project averages 4.6 out of 5 from 4.6K ratings, while Avalanche Lab averages 4.3 from 15 ratings.

### Do Mountain Project or Avalanche Lab have ads?

Neither Mountain Project nor Avalanche Lab shows ads.

### Which is updated more often, Mountain Project or Avalanche Lab?

Mountain Project ships an update every 3 weeks, and Avalanche Lab every 2 months. Most recently, Mountain Project was updated on October 15, 2026 and Avalanche Lab on October 12, 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.*