# Duality New vs Core Progression

The clearest difference is review sentiment: Duality New at 100% against Core Progression's 0%. Duality New also leads on rating (5.0 vs 3.7) and ratings volume (240 vs 3). Core Progression's advantage is monetization model (free vs ad-supported) and device support (4 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Duality New holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Duality New has 240 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of Duality New's written reviews are positive against 0% of Core Progression's.

Duality New ships an update every 3 weeks, Core Progression every 2 months. The most recent releases landed on October 14, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Duality New | Core Progression |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (240 ratings)](https://appshunter.io/ios/app/duality-new/id1569847390/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/core-progression/id6473463006/reviews) |
| Number of ratings | **240** | 3 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 38 MB | 161 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [JTN Inc](https://appshunter.io/developer/1569847392) | [Core Progression LLC](https://appshunter.io/developer/1436977363) |

## What reviewers say

### Duality New

[App page](https://appshunter.io/ios/app/duality-new/id1569847390)

Experience a unique fitness studio combining power vinyasa yoga with interval cardio using Olympic training machines. This local business offers scalable workouts for all levels, fostering personal growth and balance.

**Highlights:** Power vinyasa yoga, Interval cardio training, Olympic training machines, Scalable and customizable workouts, Hybrid yoga and cardio classes, Community focused

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

**In-app purchases:** none


### Core Progression

[App page](https://appshunter.io/ios/app/core-progression/id6473463006)

This app provides personalized workout programs and tracks your fitness journey. Monitor workouts, nutrition, habits, and measurements with coach guidance. Connect with communities and earn badges for achievements.

**Highlights:** Access training plans and track workouts, Follow exercise and workout videos, Track meals and food choices, Monitor daily habits, Set and track health goals, Message your coach in real-time, Connect with digital communities

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Duality New free?

Duality New is free to download, with no in-app purchases.

### Is Core Progression free?

Core Progression is free to download, with no in-app purchases.

### Which has better reviews, Duality New or Core Progression?

Duality New is rated higher. Duality New averages 5.0 out of 5 from 240 ratings, while Core Progression averages 3.7 from 3 ratings.

### Do Duality New or Core Progression have ads?

Neither Duality New nor Core Progression shows ads.

### Which is updated more often, Duality New or Core Progression?

Duality New ships an update every 3 weeks, and Core Progression every 2 months. Most recently, Duality New was updated on October 14, 2026 and Core Progression on September 24, 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.*