# Ailey Extension vs intervalProPlus

The clearest difference is price: Ailey Extension at Free against intervalProPlus's $0.99. Ailey Extension also leads on ratings volume (7 vs 1). intervalProPlus's advantage is rating (5.0 vs 4.1) and update cadence (daily vs monthly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Ailey Extension is free to download; intervalProPlus costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

intervalProPlus holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Ailey Extension has 7 ratings behind it against 1, so its average is the more settled of the two.

Ailey Extension ships an update monthly, intervalProPlus daily. The most recent releases landed on September 30, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Ailey Extension | intervalProPlus |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.1 (7 ratings)](https://appshunter.io/ios/app/ailey-extension/id669867766/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/intervalproplus/id6770178424/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 192 MB | 3 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alvin Ailey Dance Foundation Inc.](https://appshunter.io/developer/1433801925) | [Sebastien Bouette](https://appshunter.io/developer/1894363377) |

## What reviewers say

### Ailey Extension

[App page](https://appshunter.io/ios/app/ailey-extension/id669867766)

Access a variety of dance and fitness classes online or in-person, taught by renowned instructors. Explore different techniques in a welcoming environment and manage your schedule and account easily through the app.

**Highlights:** Open classes for all ages and experience levels, World-renowned instructors, Wide range of dance and fitness techniques, Online and in-person class options, Class package purchasing, Account management

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

**In-app purchases:** none


### intervalProPlus

[App page](https://appshunter.io/ios/app/intervalproplus/id6770178424)

This interval training app provides precision timing, AI voice cues, and customizable workout routines for HIIT, Tabata, and circuit training. It offers sound effects, haptic feedback, and visual themes to enhance focus and motivation during workouts. Track your progress with automatic session logging and CSV export.

**Highlights:** Customizable work/rest/round intervals, AI voice coaching with phase announcements, Sound effects and haptic feedback, Multiple gradient color themes, Preferred Workout quick launcher, Full session history with CSV export, Music integration with volume control

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

**In-app purchases:** none


## Frequently asked questions

### Is Ailey Extension free?

Ailey Extension is free to download, with no in-app purchases.

### Is intervalProPlus free?

intervalProPlus costs $0.99, with no in-app purchases.

### Which has better reviews, Ailey Extension or intervalProPlus?

intervalProPlus is rated higher. Ailey Extension averages 4.1 out of 5 from 7 ratings, while intervalProPlus averages 5.0 from 1 ratings.

### Do Ailey Extension or intervalProPlus have ads?

Neither Ailey Extension nor intervalProPlus shows ads.

### Which is updated more often, Ailey Extension or intervalProPlus?

Ailey Extension ships an update monthly, and intervalProPlus daily. Most recently, Ailey Extension was updated on September 30, 2026 and intervalProPlus on September 26, 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.*