# RegyBox vs Grit RX

The clearest difference is in-app purchases: RegyBox at none against Grit RX's 4. RegyBox also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Grit RX sells 4 in-app purchases, starting at $1.99 per 7 days. RegyBox asks for nothing beyond the download.

RegyBox ships an update every 3 months, Grit RX every 2 months. The most recent releases landed on October 22, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | RegyBox | Grit RX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/regybox/id1500935263/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 14 MB | 11 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Miguel Fernandes](https://appshunter.io/developer/1507995139) | [Artem Leshchenko](https://appshunter.io/developer/1894786800) |

## What reviewers say

### RegyBox

[App page](https://appshunter.io/ios/app/regybox/id1500935263)

This app connects all stakeholders of a gym or box, including athletes, coaches, and administrators. It offers customizable permissions and content access, allowing athletes to book classes, track workouts, and participate in challenges. Administrators can manage member data and gym operations.

**Highlights:** Class booking and check-in, Workout tracking and results logging, Customizable timers, Competition calendar and registration, Social networking features, Digital document access, Customizable app interface

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

**In-app purchases:** none


### Grit RX

[App page](https://appshunter.io/ios/app/grit-rx/id6775879837)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grit Pro Weekly | $1.99 | per 7 days |
| Grit Pro Monthly | $5.99 | per month |
| Grit Pro Yearly | $34.95 | per year |
| Unlimited Activities | $5.99 | one-time |


## Frequently asked questions

### Is RegyBox free?

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

### Is Grit RX free?

Grit RX is free to download, with in-app purchases available.

### Do RegyBox or Grit RX have ads?

Neither RegyBox nor Grit RX shows ads.

### Which is updated more often, RegyBox or Grit RX?

RegyBox ships an update every 3 months, and Grit RX every 2 months. Most recently, RegyBox was updated on October 22, 2026 and Grit RX on October 31, 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.*