Ullr vs CompEngine
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ullr
This app provides detailed reports on ski, snowboard, and bike park conditions, including feature setups and locations. It allows users to follow favorite mountains for park updates and offers resorts tools for park management and documentation.
- Terrain park condition reports
- Bike park condition reports
- Feature setup and location details
- Follow favorite mountains
- Park management tools for resorts
- Park documentation and risk management
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Ullr is the mobile-first software platform for ski resort and bike park operations. From terrain park build logs to ANSI B77.1 lift documentation to bike park trail sweeps, Ullr brings your daily logs, inspections, maintenance, and risk management into one system that works anywhere on the mountain — even offline. Trusted by resorts large and small across the world. ** For Mountain Operations Teams ** Ullr replaces clipboards, paper forms, and scattered spreadsheets with a single source of truth for your mountain. • Terrain Parks — Build logs, park logs, jump measurements, and feature-level history. • Lift Ops. & Maintenance — A unified digital logbook for every lift, plus stoppage tracking, recurring inspections, and work orders. • Bike Parks — Trail sweeps, condition reports, and maintenance documentation built for summer ops. • Custom Forms — Digitize your existing paperwork or build new forms tailored to your mountain. • Offline-First — Work out on the hill without a signal. Everything syncs when you're back in range. • Share Conditions — Auto-update park maps, lift status, and trail conditions on your website, social media, or through the Ullr API. ** For Riders ** Follow your favorite mountains to see what's set up in the park, what lifts are spinning, and what trails are open — with push notifications when conditions change.
CompEngine
This app fosters a competitive environment for users to connect and improve their skills. It aims to be a place where achievements are recognized and new friendships can form, regardless of prior experience.
- Competitive platform
- Skill improvement
- Community building
- Friendship creation
- Success celebration
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We built the Engine to have fun and give everyone a chance to compete. Help us create a spot where success is celebrated and friendships are made. Whether you've cut your teeth off the grid or in the parks, we can all help each other level up.
Screenshots
Verdict
The clearest difference is rating: CompEngine at 5.0 against Ullr's 4.4. CompEngine also leads on review sentiment (100% vs 86%). Ullr's advantage is monetization model (free vs ad-supported) and update cadence (every 9 days vs every 3 weeks). On price, ratings volume, 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.
CompEngine holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 28 and 25 respectively. Written reviews point the same way: 86% of Ullr's written reviews are positive against 100% of CompEngine's.
Ullr ships an update every 9 days, CompEngine every 3 weeks. The most recent releases landed on September 20, 2026 and September 9, 2026 respectively.
| Parameter | Ullr | CompEngine |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (28 ratings) | 5.0 (25 ratings) — better |
| Positive reviews | 85.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 28 — better | 25 |
| Update frequency | Every 9 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 97 MB | 37 MB |
| Age rating | 9+ | 12+ |
| Developer | Future Spin Software, LLC | CompEngine, LLC |
Customer experience
Ullr
CompEngine
In-app purchases
Ullr
No in-app purchases
CompEngine
No in-app purchases









