Comparison

Sweat Den 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

Sweat Den

Experience boutique strength and mindfulness workouts with minimal equipment. Access both in-person and on-demand classes for a maximum sweat session.

Highlights
  • Mat-based strength training
  • Mindfulness exercises
  • Instructor-led classes
  • Minimal equipment required
  • In-person class options
  • On-demand workout library
Features
Read full description

Sweat Den is a boutique, (instructor led), mat based, strength and mindfulness studio. Minimal equipment. Maximum sweat. In Person and On Demand.

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

Sweat Den4 screens
BOOST Reformer4 screens

Verdict

The call

The clearest difference is ratings volume: Sweat Den at 90 against BOOST Reformer's 1. BOOST Reformer's advantage is monetization model (free vs ad-supported). On price, rating, update cadence and ads 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 Sweat Den against 5.0 for BOOST Reformer. That said, the two scores are not equally well evidenced: Sweat Den has 90 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Sweat Den ships an update every 4 weeks, BOOST Reformer every 2 months. The most recent releases landed on October 30, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 8 level
Sweat Den versus BOOST Reformer: the parameters behind the verdict, then further details
ParameterSweat DenBOOST Reformer
PriceFreeFree
Rating5.0 (90 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings90 — better1
Update frequencyEvery 4 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better16.4
Further details — not scored
Size38 MB121 MB
Age rating4+17+
DeveloperSweat Den IncSutra Fitness, Inc.

Customer experience

Sweat Den

All ratings87 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

BOOST Reformer

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

In-app purchases

None

Sweat Den

No in-app purchases

None

BOOST Reformer

No in-app purchases

Questions

Is Sweat Den free?
Sweat Den 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, Sweat Den or BOOST Reformer?
Sweat Den and BOOST Reformer are both rated 5.0 out of 5 on the App Store, from 90 and 1 ratings respectively.
Do Sweat Den or BOOST Reformer have ads?
Neither Sweat Den nor BOOST Reformer shows ads.
Which is updated more often, Sweat Den or BOOST Reformer?
Sweat Den ships an update every 4 weeks, and BOOST Reformer every 2 months. Most recently, Sweat Den was updated on October 30, 2026 and BOOST Reformer on October 12, 2026.

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