446 Chall vs Coachi Ski
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
446 Chall
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Join Alex as he takes on 446 mountains across England & Wales, running to raise awareness and support for Mind Over Mountains, a mental health charity that believes in the healing power of nature. + Follow the journey + Join a run near you + Discover your local peaks Be part of the challenge. Find your mountain.
Coachi Ski
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Coachi is your ski instructor in your pocket. Select a video of your skiing and Coachi will analyse your movement using AI pose tracking to give clear, supportive feedback on your technique. Whether you're learning your first snowplough turns or refining parallel skiing, Coachi helps you understand what’s happening in your turns and how to improve. Designed for skiers of all levels — from beginners to advanced — Coachi gives you practical insights and simple challenges to help you progress on the mountain. FEATURES AI Technique Analysis Choose a video of your skiing and receive feedback based on pose tracking of your movement. Turn Detection Coachi recognises the type of turn you are performing and tailors feedback to match your skiing. Instructor-Style Feedback Clear, friendly coaching guidance inspired by real ski instruction. Slope & Turn Context Add the slope type and the turn you attempted so feedback is relevant to your run. Progress Tracking Track your improvement across sessions and see how your skiing develops over time. Drills & Challenges Get simple drills designed to help you improve balance, control and confidence on skis. Session History Review past runs and feedback to understand how your skiing evolves. Coachi is designed to support learning on real slopes, helping you reflect on your skiing and continue improving every time you go out. Whether you're on your first ski holiday or looking to refine your technique, Coachi helps you ski smarter and enjoy the mountain more.
Screenshots
Verdict
The clearest difference is iOS requirement: 446 Chall at 12.4 against Coachi Ski's 15.1. On price, ads, in-app purchases and device support 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.
| Parameter | 446 Chall | Coachi Ski |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.4 — better | 15.1 |
| Further details — not scored | ||
| Size | 53 MB | 102 MB |
| Age rating | 17+ | 4+ |
| Developer | Boom Software | Sportautonomy |
In-app purchases
446 Chall
No in-app purchases
Coachi Ski
No in-app purchases









