# Selfloops Spark vs The Gadsden Studio

The clearest difference is rating: The Gadsden Studio at 5.0 against Selfloops Spark's 2.7. The Gadsden Studio also leads on in-app purchases (none vs 1) and iOS requirement (16.4 vs 18.0). Selfloops Spark's advantage is update cadence (every 2 weeks vs every 10 months) and ratings volume (13 vs 3). On price, ads and device support there is nothing between them.

Both are free to download. Selfloops Spark sells 1 in-app purchase, starting at $99.99 per year. The Gadsden Studio asks for nothing beyond the download.

The Gadsden Studio holds the better App Store score, 5.0 against 2.7. Both are backed by a comparable volume of ratings — 13 and 3 respectively.

Selfloops Spark ships an update every 2 weeks, The Gadsden Studio every 10 months. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Selfloops Spark | The Gadsden Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (13 ratings)](https://appshunter.io/ios/app/selfloops-spark/id1282997660/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/the-gadsden-studio/id6752662832/reviews)** |
| Number of ratings | **13** | 3 |
| Positive reviews | 25.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 10 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 44 MB | 121 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [SelfLoops](https://appshunter.io/developer/911739721) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### Selfloops Spark

[App page](https://appshunter.io/ios/app/selfloops-spark/id1282997660)

This app helps athletes and fitness enthusiasts track, analyze, and optimize their workouts. It offers personalized training plans, goal setting, and performance insights. Connect with coaches and other users for motivation and feedback.

**Highlights:** Workout tracking and analysis, Fitness challenges and goal setting, Personalized training plans, Heart rate monitoring, RPE logging, Data syncing with Apple Health, Advanced performance analytics

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Athlete Premium | $99.99 | per year |


### The Gadsden Studio

[App page](https://appshunter.io/ios/app/the-gadsden-studio/id6752662832)

Book and manage Pilates classes, purchase packages, and stay updated on studio events. Experience expert-led reformer, chair, and outdoor mat classes in a supportive community.

**Highlights:** Book and manage classes instantly, Purchase drop-in and packages, View schedules and receive reminders, Stay updated on events and news, Connect with the Pilates community

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

**In-app purchases:** none


## Frequently asked questions

### Is Selfloops Spark free?

Selfloops Spark is free to download, with in-app purchases available.

### Is The Gadsden Studio free?

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

### Which has better reviews, Selfloops Spark or The Gadsden Studio?

The Gadsden Studio is rated higher. Selfloops Spark averages 2.7 out of 5 from 13 ratings, while The Gadsden Studio averages 5.0 from 3 ratings.

### Do Selfloops Spark or The Gadsden Studio have ads?

Neither Selfloops Spark nor The Gadsden Studio shows ads.

### Which is updated more often, Selfloops Spark or The Gadsden Studio?

Selfloops Spark ships an update every 2 weeks, and The Gadsden Studio every 10 months. Most recently, Selfloops Spark was updated on October 24, 2026 and The Gadsden Studio on October 23, 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.*