Comparison

ROK SPAS vs BOOST Reformer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ROK SPAS

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
Read full description

Download the ROK SPAS App today to plan and schedule your appointments! From this mobile App, you can view schedules and book appointments. Maximize the convenience of booking your appointments and download today!

About

BOOST Reformer

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
Read full description

Reformer redefined. Heads up: We are NOT Classical Pilates. Meet the new standard for reformer: Boost is a high-intensity reformer experience built to challenge every body and change the way you move. This isn’t classical Pilates. It’s strength-driven, energy-fueled, and community-powered. Our signature, "Reformer: All-Levels," class blends resistance, endurance, and fire with up-levels and down-levels for each individual in the room, regardless of their fitness level. Every session is designed to improve posture, increase muscle tone, and boost your energy so you feel stronger in every area of life. Every rep hits different from your very first shake. This is total-body reformer training that is unapologetic, addictive, and impossible to copy. With the Boost app, you can easily manage your entire Reformer journey. Book and cancel classes with just a tap, view real-time schedules, and reserve your favorite spot in the studio. Stay connected with upcoming events, classes, and special offers, and track your visits to stay motivated. Download the Boost app today to schedule your next class, discover our latest programs, and take the first step toward a healthier, stronger you. Move with us across 5 studios in Denver, with hundreds of weekly classes designed to push you, ground you, and lift you up all at once. Not classical. Not basic. 100% Boost. ***********************************************************************************************************************************************************************************************************************************************************************************************************************************

Screenshots

ROK SPAS2 screens
BOOST Reformer4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
ROK SPAS versus BOOST Reformer: the parameters behind the verdict, then further details
ParameterROK SPASBOOST Reformer
PriceFreeFree
Rating5.0 (6 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings6 — better1
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better16.4
Further details — not scored
Size151 MB121 MB
Age rating4+17+
Developer2 Chestnut LLCSutra Fitness, Inc.

Customer experience

ROK SPAS

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

BOOST Reformer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

ROK SPAS

No in-app purchases

None

BOOST Reformer

No in-app purchases

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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