Comparison

[solidcore] vs Studio D Detroit

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

Head to head
About

[solidcore]

This app allows members to find and book pay-as-you-go fitness classes. Users can connect with friends, see their class schedules, book them into classes, and share their own class activities. Track your fitness journey and stay motivated by seeing your class completion history.

Highlights
  • Find and book classes
  • Pay-as-you-go class sign-ups
  • Connect with friends
  • See friends' class schedules
  • Book friends into classes
  • Share class activities
  • Track class completion
Features
Read full description

[solidcore] is high-intensity, low-impact strength training on a custom-built reformer. 50 minutes. Stronger for it. Book classes - See the schedule at every studio, book in a few taps - Choose your class: Starter50 for your first class, Foundation50 to build the basics, Signature50 for the full [solidcore] experience. - Filter by coach, time and studio. New to [solidcore]? - Start with 2 weeks unlimited, right in the app. - Take 4+ classes with a new client offer and unlock 15% off a monthly membership. - Buy a membership, a 5- or 10-class pack, or a single class. - See your remaining classes at a glance. - Members get early access to each month's schedule. Your account - Manage your membership, payment method and bookings. - Track every class you've taken. - Core Collective: members-only perks from our partners, right in the app. It doesn't get easier. You just get stronger. California Privacy Notice: https://privacy.solidcore.co/privacy-policy#california-privacy-notice Do Not Sell My Personal Information: https://privacy.solidcore.co/opt-out See our Privacy Policy to access these links.

About

Studio D Detroit

Book and manage your semi-private reformer Pilates classes at a luxury studio. Discover schedules, reserve your spot, and handle memberships with ease. Enjoy personalized coaching and a seamless wellness experience.

Highlights
  • Browse live class schedule
  • Book, cancel, reschedule classes
  • Manage memberships and class packs
  • Join waitlists with notifications
  • Save favorite classes and instructors
  • Track visits and view reservations
  • Secure payment storage
Features
Read full description

Studio D Pilates is Detroit’s destination for refined, semi-private reformer training—nestled inside the historic Westin Book Cadillac. Our app is your personal concierge for an elevated wellness routine: discover our schedule, reserve your reformer, manage memberships and class packs, and stay in the loop with real-time updates. Whether you live downtown, work nearby, or are a hotel guest visiting the city, Studio D brings luxury, precision, and convenience together in one seamless experience. WHAT MAKES STUDIO D DIFFERENT Studio D blends old-world elegance with modern performance. Every session is intentionally capped for true semi-private attention, so your coach can refine your form, tailor modifications, and progress you thoughtfully. Expect polished interiors, meticulous programming, and a hospitality-driven approach—right downstairs from the hotel lobby. WHAT YOU CAN DO IN THE APP • Browse the live class schedule and filter by day, time, and instructor • Book, cancel, or reschedule semi-private reformer classes and private sessions • Purchase and manage memberships, class packs, and intro offers • Join waitlists with automatic notifications if a spot opens • Save favorites—pin your preferred class times and instructors for faster booking • Get instant confirmations, reminders, and push alerts for schedule changes • Track your visits and see your upcoming reservations at a glance • Securely store a payment method for quick checkout • Add bookings to your calendar and get directions to the studio • Access studio policies, FAQs, and support in one place CLASS FORMATS • Semi-Private Reformer: Intimate sessions focused on alignment, strength, and longevity • Private Training: One-on-one coaching for personalized goals, pre/post-natal, or injury-aware programming • Specialty Sessions (seasonal): Targeted formats and refined progressions to complement your routine FOR WESTIN GUESTS & RESIDENTS Staying at the Westin Book Cadillac or living in the residences? Use the app to discover guest-friendly times, explore introductory offers, and book with just a few taps. Our location on the first floor keeps your wellness effortless—step out of the elevator and into a beautifully curated space that feels like a private club. THOUGHTFUL COACHING & MODIFICATIONS Our instructors are trained to tailor movement around your needs. New to reformer? Returning from time off? Building back from discomfort? Expect intelligent options, precise cueing, and a pace that respects where you are—while still moving you forward. ACCESSIBILITY & INCLUSIVITY We want everyone to feel welcome. If you rely on visual cueing or lip-reading, prefer a specific reformer placement, or have communication preferences, note them in your booking or profile and we’ll be ready. You can also message the studio through the app so we can prepare the best setup for you. A POLISHED, EFFORTLESS EXPERIENCE • Real-time availability so you can book the exact spot you want • Clear time windows for cancellations and late arrivals • Transparent pack and membership tracking—see exactly what you have left • Proactive alerts for new class drops, pop-ups, and limited events WHO IT’S FOR • Detroit locals seeking a refined, consistent practice • Professionals looking for efficient, high-quality sessions near the office • Hotel guests who want a memorable wellness experience steps from their room • Movers of all levels who value precision, privacy, and results LOCATION Studio D Pilates Inside The Westin Book Cadillac Detroit 1114 Washington Blvd, Detroit, MI GET STARTED Download the app and create your profile Explore the schedule and choose an intro option Book your first session—arrive a few minutes early so we can welcome you Build a rhythm you love with semi-private attention and beautiful surroundings OUR PROMISE At Studio D, luxury isn’t loud—it’s in the details: smaller headcount, cleaner lines, quieter guidance, smarter programming. We obsess over the experience so you

Screenshots

[solidcore]4 screens
Studio D Detroit4 screens

Verdict

The call

The clearest difference is ads: Studio D Detroit at none against [solidcore]'s shown. [solidcore]'s advantage is update cadence (every 6 weeks vs every 11 months) and ratings volume (29K vs 2). On price, rating, in-app purchases and monetization model 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 — 4.9 for [solidcore] against 5.0 for Studio D Detroit. That said, the two scores are not equally well evidenced: [solidcore] has 29K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

[solidcore] ships an update every 6 weeks, Studio D Detroit every 11 months. The most recent releases landed on November 1, 2026 and October 13, 2026 respectively.

Scorecard4 real differences · 7 level
[solidcore] versus Studio D Detroit: the parameters behind the verdict, then further details
Parameter[solidcore]Studio D Detroit
PriceFreeFree
Rating4.9 (29K ratings)5.0 (2 ratings) — better
Positive reviews21.1% of reviews—
Number of ratings29K — better2
Update frequencyEvery 6 weeks — betterEvery 11 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank#193 — better—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.416.4
Further details — not scored
Size70 MB122 MB
Age rating4+12+
Developer[solidcore]Sutra Fitness, Inc.

Customer experience

[solidcore]

All ratings28,963 ratings
Positive97.8%
Neutral0.6%
Negative1.6%
Written reviews247 reviews
Positive21.1%
Neutral9.3%
Negative69.6%

Studio D Detroit

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

[solidcore]

Reported bugs

3 issues
  • Inconsistent class credit tracking
  • Unreliable class cancellation and refund process
  • Frequent crashes and loading issues

Requested features

4 requests
  • Ability to see class package balances
  • Waitlist position visibility
  • Option to add classes to calendar without full access
  • Improved app stability and performance

Studio D Detroit

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

[solidcore]

No in-app purchases

None

Studio D Detroit

No in-app purchases

Questions

Is [solidcore] free?
[solidcore] is free to download, with no in-app purchases.
Is Studio D Detroit free?
Studio D Detroit is free to download, with no in-app purchases.
Which has better reviews, [solidcore] or Studio D Detroit?
Studio D Detroit is rated higher. [solidcore] averages 4.9 out of 5 from 29K ratings, while Studio D Detroit averages 5.0 from 2 ratings.
Do [solidcore] or Studio D Detroit have ads?
[solidcore] shows ads; Studio D Detroit does not.
Which is updated more often, [solidcore] or Studio D Detroit?
[solidcore] ships an update every 6 weeks, and Studio D Detroit every 11 months. Most recently, [solidcore] was updated on November 1, 2026 and Studio D Detroit on October 13, 2026.

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