Comparison

CORE by Stay Sharp vs iSkateCoach

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CORE by Stay Sharp

This app serves as a comprehensive resource for figure skating, offering video demonstrations, tutorials, and diagrams. It's designed to support skaters, coaches, and parents in their figure skating journey, from beginner to advanced levels.

Highlights
  • Video demonstrations
  • Tutorials
  • Diagrams
  • Resource center
  • Skater guidance
  • Coach support
Features
Read full description

Core by RTI is now CORE by Stay Sharp. It's the same library under a new name, and existing subscriptions carry over. CORE is a figure skating reference organised the way skating is taught. Open an area, pick the element and watch it done properly. There are no feeds and no shopping, just the reference. SIX AREAS • Singles: every jump with Mike Weiss, spins from basics to Level 4 features, Dartfish jump analysis with Ben Ferreira, and IJS in 30 seconds • Skating Skills: the Skating Skills tests (formerly Moves in the Field) level by level, with a demonstration of every move in the pattern • Solo Dance: solo pattern dances and dance elements, tutorials first, with the pattern diagrams alongside • Partner Dance: partner pattern dances, demonstrated, with the pattern documents for each dance • Dance Music: music for the pattern dances, track by track, ready for practice • Rules & documents: rulebooks, test sheets and pattern documents you can open at the rink Also in CORE: Club Finder, with skating clubs across the U.S. listed state by state. NEW: CORE AI Ask a question about a rule or element in plain words. CORE AI answers from the official handbooks and CORE videos, and every answer shows where it came from. Tap to open the handbook page or play the video. If the sources don't cover your question, CORE AI says so. CORE AI is a study aid; for competition decisions, check the current rulebook and your officials. NEW: SEARCH Find any element in seconds across every demonstration, tutorial and document. Searching "moves in the field" finds Skating Skills too. NEW: MAC AND APPLE TV • Mac: the whole library in a sidebar, with Search (⌘F) and Resume, plus a jump view with rotation, camera angle and playback speed controls. • Apple TV: featured demonstrations and the free sampler on the big screen, spin pages with a level control, every solo and partner dance, and CORE AI. One subscription unlocks every device. FREE SAMPLER Demonstrations from across the library, open to everyone with no subscription needed. STAY SHARP, INSIDE THE APP Tap Stay Sharp to browse the Stay Sharp range and book skate sharpening. On Apple TV, send a product to your iPhone, ready to buy. SUBSCRIPTION CORE is free to download, with the sampler open to everyone. A CORE subscription unlocks the full library and CORE AI on every device. • Monthly: $8.99 per month • Annual: $89.99 per year Prices are in U.S. dollars and may vary by country. Payment is charged to your Apple Account when you confirm the purchase. The subscription renews automatically unless you cancel at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours before the period ends. Manage or cancel any time in your Apple Account settings. Privacy Policy: https://www.staysharpsports.com/policies/privacy-policy Terms of Use: https://www.staysharpsports.com/policies/terms-of-service Giving you the competitive edge, every time.

About

iSkateCoach

Learn ice skating with detailed video tutorials and online courses from experienced coaches. Track your progress, connect with a community of skaters, and access free content with optional paid subscriptions for more features.

Highlights
  • Detailed video tutorials
  • Online courses from coaches
  • Progress tracking
  • Community forum
  • Offline sync (paid)
  • Free content access
Features
Read full description

This app provides ice skating tuition including detailled video tutorials and online courses. Learn from Paul and other coaches from iSkateCoach youtube channel and other platforms. Track your progress through the tracking feature keeping you accountable to your training and seeing your progress. Connect with a community of skaters learning together. Share your wins and challenges and swap advice and encouragement! Installing this app is free and gives access to free content, there are paid options to unlock further content. INFORMATION ABOUT THE APP AND PURCHASE OPTIONS By signing up, you will get access to subscription(s) that include features such as progress tracking, and offline sync. The download of iSkateCoach is free of charge. Should you use iSkateCoach to access in-app content via available subscription(s), a payment will be charged to your credit card after the trial period ends and when a subscription renews. A subscription renews automatically unless canceled at least 24 hours prior to the end of the subscription period. There is no increase in price when renewing. Subscription(s) can be managed and auto-renewal turned off in Account Settings in the App Store after purchase. Read our full Terms of Service and our Privacy Policy: https://passion.io/terms-of-service https://passion.io/privacy-policy

Screenshots

CORE by Stay Sharp4 screens
iSkateCoach4 screens

Verdict

The call

The clearest difference is monetization model: iSkateCoach at free with in-app purchases against CORE by Stay Sharp's subscription. iSkateCoach also leads on iOS requirement (15.1 vs 17.6). CORE by Stay Sharp's advantage is ads (none vs shown). On price, rating, review sentiment and ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. CORE by Stay Sharp sells 2 in-app purchases, starting at $8.99 per month and iSkateCoach sells 1 in-app purchase, starting at $9.95 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for CORE by Stay Sharp against 5.0 for iSkateCoach. Both are backed by a comparable volume of ratings — 4 and 9 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

CORE by Stay Sharp ships an update every 4 weeks, iSkateCoach every 3 weeks. The most recent releases landed on November 14, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
CORE by Stay Sharp versus iSkateCoach: the parameters behind the verdict, then further details
ParameterCORE by Stay SharpiSkateCoach
PriceFreeFree
Rating5.0 (4 ratings)5.0 (9 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings49 — better
Update frequencyEvery 4 weeksEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPad, Mac, Apple TV — betteriPhone, iPad, iPod
Requires iOS17.615.1 — better
Further details — not scored
Size608 MB88 MB
Age rating4+4+
DeveloperMark FitzgeraldiSkateCoach

Customer experience

CORE by Stay Sharp

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

iSkateCoach

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

CORE by Stay Sharp

Subscriptions2
  • Core by RTI$8.991 Month
  • Core by RTI$89.991 Year
1 purchases

iSkateCoach

Subscriptions1
  • iSkateCoach Subscriber7 Days trial$9.951 Month

Questions

Is CORE by Stay Sharp free?
CORE by Stay Sharp is free to download, with in-app purchases available.
Is iSkateCoach free?
iSkateCoach is free to download, with in-app purchases available.
Which has better reviews, CORE by Stay Sharp or iSkateCoach?
CORE by Stay Sharp and iSkateCoach are both rated 5.0 out of 5 on the App Store, from 4 and 9 ratings respectively.
Do CORE by Stay Sharp or iSkateCoach have ads?
iSkateCoach shows ads; CORE by Stay Sharp does not.
Which is updated more often, CORE by Stay Sharp or iSkateCoach?
CORE by Stay Sharp ships an update every 4 weeks, and iSkateCoach every 3 weeks. Most recently, CORE by Stay Sharp was updated on November 14, 2026 and iSkateCoach on October 30, 2026.

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