# ROK SPAS vs BOOST Reformer

The clearest difference is ads: BOOST Reformer at none against ROK SPAS's shown. BOOST Reformer also leads on monetization model (free vs ad-supported). ROK SPAS's advantage is ratings volume (6 vs 1) and iOS requirement (14.0 vs 16.4). On price, rating, update cadence 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.

On the App Store both sit at effectively the same score — 5.0 for ROK SPAS against 5.0 for BOOST Reformer. That said, the two scores are not equally well evidenced: ROK SPAS has 6 ratings behind it against 1, so its average is the more settled of the two.

ROK SPAS ships an update every 3 weeks, BOOST Reformer every 2 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | ROK SPAS | BOOST Reformer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/rok-spas/id6740814268/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/boost-reformer/id6751426802/reviews) |
| Number of ratings | **6** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 151 MB | 121 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [2 Chestnut LLC](https://appshunter.io/developer/1791730776) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### ROK SPAS

[App page](https://appshunter.io/ios/app/rok-spas/id6740814268)

Easily plan and schedule your appointments directly from your mobile device. View available times and book your sessions with maximum convenience.

**Highlights:** Schedule appointments, Book appointments, View schedules, Mobile convenience

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### BOOST Reformer

[App page](https://appshunter.io/ios/app/boost-reformer/id6751426802)

This app facilitates booking and managing reformer Pilates classes at a specialized studio. It offers real-time schedules, class reservations, and event updates to enhance your fitness journey.

**Highlights:** Book and cancel classes, View real-time schedules, Reserve favorite studio spots, Stay updated on events and workshops, Track class visits, Manage reformer fitness journey

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

**In-app purchases:** none


## Frequently asked questions

### Is ROK SPAS free?

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

### Is BOOST Reformer free?

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

### Which has better reviews, ROK SPAS or BOOST Reformer?

ROK SPAS and BOOST Reformer are both rated 5.0 out of 5 on the App Store, from 6 and 1 ratings respectively.

### Do ROK SPAS or BOOST Reformer have ads?

ROK SPAS shows ads; BOOST Reformer does not.

### Which is updated more often, ROK SPAS or BOOST Reformer?

ROK SPAS ships an update every 3 weeks, and BOOST Reformer every 2 months. Most recently, ROK SPAS was updated on October 24, 2026 and BOOST Reformer on October 12, 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.*