# GreenTheory vs Hidron Centro Wellness

The clearest difference is update cadence: GreenTheory at monthly against Hidron Centro Wellness's every 7 months. Hidron Centro Wellness's advantage is iOS requirement (12.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

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

GreenTheory ships an update monthly, Hidron Centro Wellness every 7 months. The most recent releases landed on September 14, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | GreenTheory | Hidron Centro Wellness |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 7 months |
| Size | 75 MB | 55 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Theory Holding SPA](https://appshunter.io/developer/1674784689) | [Zucchetti Hospitality s.r.l.](https://appshunter.io/developer/1437243698) |

## What reviewers say

### GreenTheory

[App page](https://appshunter.io/ios/app/greentheory/id6445917575)

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

**In-app purchases:** none


### Hidron Centro Wellness

[App page](https://appshunter.io/ios/app/hidron-centro-wellness/id6468572948)

**In-app purchases:** none


## Frequently asked questions

### Is GreenTheory free?

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

### Is Hidron Centro Wellness free?

Hidron Centro Wellness is free to download, with no in-app purchases.

### Do GreenTheory or Hidron Centro Wellness have ads?

Neither GreenTheory nor Hidron Centro Wellness shows ads.

### Which is updated more often, GreenTheory or Hidron Centro Wellness?

GreenTheory ships an update monthly, and Hidron Centro Wellness every 7 months. Most recently, GreenTheory was updated on September 14, 2026 and Hidron Centro Wellness on June 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*