# [solidcore] vs KURV Studio

The clearest difference is update cadence: [solidcore] at every 6 weeks against KURV Studio's every 4 months. [solidcore] also leads on chart position (#155 vs unranked). KURV Studio's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

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

[solidcore] ships an update every 6 weeks, KURV Studio every 4 months. The most recent releases landed on November 13, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | [solidcore] | KURV Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (29K ratings)](https://appshunter.io/ios/app/solidcore/id1452460311/reviews)** | — |
| Number of ratings | **29K** | — |
| Positive reviews | 21.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#155** | — |
| Size | 85 MB | 123 MB |
| Requires iOS | 16.4 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [solidcore](https://appshunter.io/developer/1437422851) | [KURV Studio](https://appshunter.io/developer/1814268847) |

## What reviewers say

### [solidcore]

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

**Currently charting:** #155 Top Free · Health & Fitness (US App Store)

Book high-intensity, low-impact strength training classes on a custom reformer. Explore class schedules, filter by coach or time, and manage your membership and bookings. New clients can access special introductory offers.

**Highlights:** Book classes by coach, time, and studio, Filter class schedules, New client offers and introductory pricing, Purchase memberships, class packs, or single classes, Manage membership and payment, Track class history, Access member-exclusive partner perks

**Features:** macOS Compatibility, Vision Pro support, iPhone Duo 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


### KURV Studio

[App page](https://appshunter.io/ios/app/kurv-studio/id6745860933)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is [solidcore] free?

[solidcore] is free to download, with no in-app purchases.

### Is KURV Studio free?

KURV Studio is free to download, with no in-app purchases.

### Do [solidcore] or KURV Studio have ads?

Both [solidcore] and KURV Studio show ads.

### Which is updated more often, [solidcore] or KURV Studio?

[solidcore] ships an update every 6 weeks, and KURV Studio every 4 months. Most recently, [solidcore] was updated on November 13, 2026 and KURV Studio on November 12, 2026.

---

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