Mountain Project vs SlabLab
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mountain Project
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.
- 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
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Beyond the Guidebook: The Definitive Rock Climbing Resource. • Find outdoor climbing areas near you, and navigate to them, using the map. This super-handy new feature is one of our personal faves. • The much requested route finder: Easily sort routes by discipline, difficulty, star ranking and more. If a 4-star M9 is your thing, we'll help you find it. • Search our entire database of 155,000+ climbing routes, even offline. • Download route beta, photos, and topos state by state for offline use — because the best crags often have the worst reception. • View a climbing area’s route stats (how many 5.11s are there?) and critical info (when is the raptor closure again?) in a single glance. • Chat, ask questions, or put out a call for partners in our forum. • Rate routes and photos, keep track of attempts & sends, or make a to-do list • It's free to download and free of advertising too. Everything you need, nothing you don't.
SlabLab
Connect with fellow backcountry enthusiasts for safer adventures. Find compatible partners, enhance your skills with pro-led workshops, and join discussions to improve teamwork and decision-making in the snow.
- Find backcountry partners
- Pro-led skill-building workshops
- Teamwork and decision-making focus
- Q&A with experts and peers
- Discounts on gear and experiences
- Community discussions
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Join a community of backcountry skiers, splitboarders, and snowmobilers who care about both fun and safety. SlabLab helps members meet like-minded partners, offers pro-led virtual skill-building workshops, and creates an atmosphere for sharing that's conducive to discussion at any experience level. -- About SlabLab and our teamwork-focused approach -- SlabLab has conducted behavioral research on decision-making and teamwork with backcountry users for four seasons, and we bring that expertise to this community. It's very hard to meet compatible partners to take risks with, especially online. Whether what you prioritize in a partner is experience, communication style, gender, location, availability or other factors, we help you find the team that's right for you. Our workshops and content complement avalanche courses and help you develop the communication and teamwork skills that have the biggest impact on both fun and safety. Member Benefits • Pro-led workshops on teamwork and decision-making • Tools for meeting like-minded partners • Q&A with pros and peers • Discounts on courses, experiences, and gear
Screenshots
Verdict
The clearest difference is review sentiment: SlabLab at 100% against Mountain Project's 41%. SlabLab also leads on rating (5.0 vs 4.6). Mountain Project's advantage is ratings volume (4.6K vs 2). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SlabLab holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Mountain Project has 4.6K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 41% of Mountain Project's written reviews are positive against 100% of SlabLab's.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 24, 2026 and June 4, 2026 respectively.
| Parameter | Mountain Project | SlabLab |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (4.6K ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 41.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 4.6K — better | 2 |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 79 MB | 40 MB |
| Age rating | 4+ | 17+ |
| Developer | Adventure Projects Inc. | SlabLab LLC |
Customer experience
Mountain Project
SlabLab
Bugs and requests
Mountain Project
Reported bugs
5 issues- 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
5 requests- 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
SlabLab
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Mountain Project
No in-app purchases
SlabLab
No in-app purchases
Questions
Is Mountain Project free?
Is SlabLab free?
Which has better reviews, Mountain Project or SlabLab?
Do Mountain Project or SlabLab have ads?
Which is updated more often, Mountain Project or SlabLab?
Other comparisons
