# [solidcore] vs Source Performance

[solidcore] and Source Performance both sit at 4.9 stars, but that hides the real split: 100% of Source Performance's written reviews are positive against 21% of [solidcore]'s. Source Performance also leads on ads (none vs shown) and device support (4 vs 2). [solidcore]'s advantage is ratings volume (29K vs 9) and chart position (#181 vs unranked). On price, rating, update cadence 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.

On the App Store both sit at effectively the same score — 4.9 for [solidcore] against 5.0 for Source Performance. That said, the two scores are not equally well evidenced: [solidcore] has 29K ratings behind it against 9, so its average is the more settled of the two. Written reviews are what separate them: 21% of [solidcore]'s written reviews are positive against 100% of Source Performance's.

[solidcore] ships an update every 6 weeks, Source Performance every 2 months. The most recent releases landed on October 5, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | [solidcore] | Source Performance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (29K ratings)](https://appshunter.io/ios/app/solidcore/id1452460311/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/source-performance/id6590602459/reviews)** |
| Number of ratings | **29K** | 9 |
| Positive reviews | 21.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Best chart rank | **#181** | — |
| Size | 43 MB | 180 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [solidcore](https://appshunter.io/developer/1437422851) | [Source Performance LLC](https://appshunter.io/developer/1760047672) |

## What reviewers say

### [solidcore]

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

**Currently charting:** #181 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


### Source Performance

[App page](https://appshunter.io/ios/app/source-performance/id6590602459)

This app provides personalized workout programs and tracks your fitness journey. Monitor workouts, nutrition, habits, and measurements with coach support. Achieve your health goals with guided exercises and progress tracking.

**Highlights:** Access and track training plans, Follow exercise and workout videos, Track meals and food choices, Monitor daily habits, Set and track health goals, Message your coach in real-time, Track body measurements and progress photos

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is [solidcore] free?

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

### Is Source Performance free?

Source Performance is free to download, with no in-app purchases.

### Which has better reviews, [solidcore] or Source Performance?

Source Performance is rated higher. [solidcore] averages 4.9 out of 5 from 29K ratings, while Source Performance averages 5.0 from 9 ratings.

### Do [solidcore] or Source Performance have ads?

[solidcore] shows ads; Source Performance does not.

### Which is updated more often, [solidcore] or Source Performance?

[solidcore] ships an update every 6 weeks, and Source Performance every 2 months. Most recently, [solidcore] was updated on October 5, 2026 and Source Performance on September 18, 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.*