# Axel Trainer vs Core by RTI

The clearest difference is in-app purchases: Axel Trainer at none against Core by RTI's 2. Axel Trainer also leads on iOS requirement (15.4 vs 17.6). Core by RTI's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Core by RTI sells 2 in-app purchases, starting at $8.99 per month. Axel Trainer asks for nothing beyond the download.

Axel Trainer ships an update every 2 months, Core by RTI every 3 weeks. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Axel Trainer | Core by RTI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/core-by-rti/id6450906479/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Subscription |
| Size | 23 MB | 595 MB |
| Requires iOS | **15.4** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Axel Trainer](https://appshunter.io/developer/1664797634) | [Mark Fitzgerald](https://appshunter.io/developer/477164822) |

## What reviewers say

### Axel Trainer

[App page](https://appshunter.io/ios/app/axel-trainer/id1664797632)

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

**In-app purchases:** none


### Core by RTI

[App page](https://appshunter.io/ios/app/core-by-rti/id6450906479)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Core by RTI | $8.99 | per month |
| Core by RTI | $89.99 | per year |


## Frequently asked questions

### Is Axel Trainer free?

Axel Trainer is free to download, with no in-app purchases.

### Is Core by RTI free?

Core by RTI is free to download, with in-app purchases available.

### Do Axel Trainer or Core by RTI have ads?

Neither Axel Trainer nor Core by RTI shows ads.

### Which is updated more often, Axel Trainer or Core by RTI?

Axel Trainer ships an update every 2 months, and Core by RTI every 3 weeks. Most recently, Axel Trainer was updated on September 24, 2026 and Core by RTI on September 18, 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.*