# [solidcore] vs Studio D Detroit

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.

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 — 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.

[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.

## The numbers

| Metric | [solidcore] | Studio D Detroit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (29K ratings)](https://appshunter.io/ios/app/solidcore/id1452460311/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/studio-d-detroit/id6753728718/reviews)** |
| Number of ratings | **29K** | 2 |
| Positive reviews | 21.1% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 11 months |
| Monetization | Free | Free |
| Best chart rank | **#193** | — |
| Size | 70 MB | 122 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [solidcore](https://appshunter.io/developer/1437422851) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### [solidcore]

[App page](https://appshunter.io/ios/app/solidcore/id1452460311)

**Currently charting:** #193 Top Free · Health & Fitness (US App Store)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 👍 Efficient booking process
- ⭐ Great workout classes

**What reviewers complain about**

- 🐛 Glitchy and slow app
- 📆 Lack of class package management
- 🔍 Unclear waitlist information
- 🔒 Privacy concerns with calendar access

**Reported bugs**

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

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/studio-d-detroit/id6753728718)

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

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*