# THE SPA23 App vs Nirvana Infared NJ

The clearest difference is rating: Nirvana Infared NJ at 5.0 against THE SPA23 App's 1.9. THE SPA23 App's advantage is ratings volume (14 vs 2) and iOS requirement (13.4 vs 16.4). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Nirvana Infared NJ holds the better App Store score, 5.0 against 1.9. That said, the two scores are not equally well evidenced: THE SPA23 App has 14 ratings behind it against 2, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 26, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | THE SPA23 App | Nirvana Infared NJ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (14 ratings)](https://appshunter.io/ios/app/the-spa23-app/id1194135274/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/nirvana-infared-nj/id6451328020/reviews)** |
| Number of ratings | **14** | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 66 MB | 121 MB |
| Requires iOS | **13.4** | 16.4 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [CSI Software Inc.](https://appshunter.io/developer/956597979) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### THE SPA23 App

[App page](https://appshunter.io/ios/app/the-spa23-app/id1194135274)

Discover class schedules for various fitness programs and view current announcements, promotions, and coupons. This app aims to help members and guests live better lives through superior service and excellent activities in a comfortable atmosphere.

**Highlights:** View class schedules, Group Exercise classes, Beyoga classes, CrossFit classes, View announcements, View promotions, View coupons

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Nirvana Infared NJ

[App page](https://appshunter.io/ios/app/nirvana-infared-nj/id6451328020)

Schedule in-studio classes or access on-demand wellness content. Connect with the infrared wellness center for a seamless booking experience.

**Highlights:** Schedule in-studio classes, Access on-demand content, Book wellness sessions, Connect with wellness center

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

**In-app purchases:** none


## Frequently asked questions

### Is THE SPA23 App free?

THE SPA23 App is free to download, with no in-app purchases.

### Is Nirvana Infared NJ free?

Nirvana Infared NJ is free to download, with no in-app purchases.

### Which has better reviews, THE SPA23 App or Nirvana Infared NJ?

Nirvana Infared NJ is rated higher. THE SPA23 App averages 1.9 out of 5 from 14 ratings, while Nirvana Infared NJ averages 5.0 from 2 ratings.

### Do THE SPA23 App or Nirvana Infared NJ have ads?

Neither THE SPA23 App nor Nirvana Infared NJ shows ads.

### Which is updated more often, THE SPA23 App or Nirvana Infared NJ?

THE SPA23 App ships an update every 3 months, and Nirvana Infared NJ every 3 months. Most recently, THE SPA23 App was updated on October 26, 2026 and Nirvana Infared NJ on October 21, 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.*