# Duality New vs Sweat Den Strength Training

The clearest difference is in-app purchases: Duality New at none against Sweat Den Strength Training's 2. Duality New also leads on update cadence (every 3 weeks vs every 4 months) and ratings volume (243 vs 15). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Sweat Den Strength Training sells 2 in-app purchases, starting at $29.99 per month. Duality New asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Duality New against 5.0 for Sweat Den Strength Training. That said, the two scores are not equally well evidenced: Duality New has 243 ratings behind it against 15, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Duality New ships an update every 3 weeks, Sweat Den Strength Training every 4 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Duality New | Sweat Den Strength Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (243 ratings)](https://appshunter.io/ios/app/duality-new/id1569847390/reviews) | **[5.0 (15 ratings)](https://appshunter.io/ios/app/sweat-den-strength-training/id6746804892/reviews)** |
| Number of ratings | **243** | 15 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 38 MB | 66 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [JTN Inc](https://appshunter.io/developer/1569847392) | [Sweat Den Inc](https://appshunter.io/developer/1732759622) |

## 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


### Sweat Den Strength Training

[App page](https://appshunter.io/ios/app/sweat-den-strength-training/id6746804892)

Access a variety of strength training programs and classes for all levels, including weight lifting, bodyweight, HIIT, Pilates, yoga, and mobility. Subscribe monthly or yearly to unlock all content and features.

**Highlights:** Progressive strength training programs, Variety of class formats, Weight lifting, Bodyweight training, HIIT, Pilates, Yoga, Mobility, Monthly and yearly subscriptions

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SD Strength Monthly | $29.99 | per month |
| SD Strength Yearly | $239.99 | per year |


## Frequently asked questions

### Is Duality New free?

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

### Is Sweat Den Strength Training free?

Sweat Den Strength Training is free to download, with in-app purchases available.

### Which has better reviews, Duality New or Sweat Den Strength Training?

Sweat Den Strength Training is rated higher. Duality New averages 5.0 out of 5 from 243 ratings, while Sweat Den Strength Training averages 5.0 from 15 ratings.

### Do Duality New or Sweat Den Strength Training have ads?

Neither Duality New nor Sweat Den Strength Training shows ads.

### Which is updated more often, Duality New or Sweat Den Strength Training?

Duality New ships an update every 3 weeks, and Sweat Den Strength Training every 4 months. Most recently, Duality New was updated on November 3, 2026 and Sweat Den Strength Training on October 30, 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.*