# [solidcore] vs O2 Pilates

The clearest difference is chart position: [solidcore] at #176 against O2 Pilates's unranked. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on September 26, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | [solidcore] | O2 Pilates |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (29K ratings)](https://appshunter.io/ios/app/solidcore/id1452460311/reviews)** | — |
| Number of ratings | **29K** | — |
| Positive reviews | 21.1% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free | — |
| Best chart rank | **#176** | — |
| Size | 43 MB | 123 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [solidcore](https://appshunter.io/developer/1437422851) | [O2 Stretch And Pilates Studio Limited](https://appshunter.io/developer/1693816298) |

## What reviewers say

### [solidcore]

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

**Currently charting:** #176 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


### O2 Pilates

[App page](https://appshunter.io/ios/app/o2-pilates/id6450543740)

**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 O2 Pilates free?

O2 Pilates is free to download, with no in-app purchases.

### Do [solidcore] or O2 Pilates have ads?

Both [solidcore] and O2 Pilates show ads.

### Which is updated more often, [solidcore] or O2 Pilates?

[solidcore] ships an update every 6 weeks, and O2 Pilates every 6 weeks. Most recently, [solidcore] was updated on September 26, 2026 and O2 Pilates on September 15, 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.*