Comparison

Fierce45 2.0 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

Fierce45 2.0

Experience a highly efficient full-body workout combining resistance machine exercises and bodyweight movements. This app offers high-intensity Pilates designed for cardio, strength, and muscle toning, all within a 45-minute session. Get ready to sweat and feel the difference with a focus on alignment and mindful movement.

Highlights
  • High-intensity Pilates
  • Full-body workouts
  • Resistance machine training
  • Bodyweight exercises
  • Cardio and strength building
  • Muscle toning
  • Mindful movement focus
Features
Read full description

We have perfected the art of high-intensity Pilates to bring you the best, most efficient full-body workout ever. Fierce utilizes our one-of-a-kind resistance machine, The FierceFormer™, and bodyweight exercises, to provide the most effective cardio, strength, and muscle toning movements possible. With heart-pumping music that matches your sky-high heart rate - and your #fiercefam sweating next to you - your body and mind will drop into a meditation in no time. Fierce45® is Colorado’s best, most efficient High-Intensity Pilates full-body work out in the least amount of time, offering small group fitness classes on a one-of-a-kind resistance machine, The FierceFormer™. Fierce Movement® classes are unlike anything you've ever experienced. It's a calorie blaster full of compound movements focused on the fundamentals of alignment, breath, and mindful movement - with zero stress to your joints or spine. You will sweat, your muscles will tremble, and you will experience the Fierce45® difference. Fierce Movement® is High-Intensity Pilates that incorporates slow, controlled, continuous tension, quick transitions, and effective range of motion to burn through slow and fast-twitch muscle fibers. You will work your entire body with 45-minutes of strength, endurance, cardio, balance, and flexibility exercises on our custom FierceFormer™ resistance machine. The goal is to keep you in the fat-burning zone for the duration of the class to create long, lean muscles. Give us THREE classes to show you how strong your body is and how quickly you will see and feel Fierce results.

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

Fierce45 2.04 screens
BOOST Reformer4 screens

Verdict

The call

The clearest difference is monetization model: BOOST Reformer at free against Fierce45 2.0's free with in-app purchases. Fierce45 2.0's advantage is ratings volume (898 vs 1) and update cadence (every 3 weeks vs every 2 months). On price, rating, ads 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 Fierce45 2.0 against 5.0 for BOOST Reformer. That said, the two scores are not equally well evidenced: Fierce45 2.0 has 898 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Fierce45 2.0 ships an update every 3 weeks, BOOST Reformer every 2 months. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

Scorecard3 real differences · 7 level
Fierce45 2.0 versus BOOST Reformer: the parameters behind the verdict, then further details
ParameterFierce45 2.0BOOST Reformer
PriceFreeFree
Rating5.0 (898 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews
Number of ratings898 — better1
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree — better
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better16.4
Further details — not scored
Size38 MB121 MB
Age rating4+17+
DeveloperFIERCE45 HILLTOP LLCSutra Fitness, Inc.

Customer experience

Fierce45 2.0

All ratings898 ratings
Positive99.6%
Neutral0.2%
Negative0.2%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

BOOST Reformer

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

In-app purchases

None

Fierce45 2.0

No in-app purchases

None

BOOST Reformer

No in-app purchases

Questions

Is Fierce45 2.0 free?
Fierce45 2.0 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, Fierce45 2.0 or BOOST Reformer?
Fierce45 2.0 and BOOST Reformer are both rated 5.0 out of 5 on the App Store, from 898 and 1 ratings respectively.
Do Fierce45 2.0 or BOOST Reformer have ads?
Neither Fierce45 2.0 nor BOOST Reformer shows ads.
Which is updated more often, Fierce45 2.0 or BOOST Reformer?
Fierce45 2.0 ships an update every 3 weeks, and BOOST Reformer every 2 months. Most recently, Fierce45 2.0 was updated on September 21, 2026 and BOOST Reformer on September 23, 2026.

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