# The Sun Cycle vs OptimalFit

The clearest difference is rating: The Sun Cycle at 5.0 against OptimalFit's 3.1. The Sun Cycle also leads on in-app purchases (none vs 2). OptimalFit's advantage is update cadence (every 3 days vs every 10 months) and ratings volume (14 vs 2). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. OptimalFit sells 2 in-app purchases, starting at $19.95 per month. The Sun Cycle asks for nothing beyond the download.

The Sun Cycle holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: OptimalFit has 14 ratings behind it against 2, so its average is the more settled of the two.

The Sun Cycle ships an update every 10 months, OptimalFit every 3 days. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | The Sun Cycle | OptimalFit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/the-sun-cycle/id6740162769/reviews)** | [3.1 (14 ratings)](https://appshunter.io/ios/app/optimalfit/id6754051624/reviews) |
| Number of ratings | 2 | **14** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 days** |
| Monetization | **Free** | Subscription |
| Size | 121 MB | 64 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) | [Alex Borst](https://appshunter.io/developer/1846477583) |

## What reviewers say

### The Sun Cycle

[App page](https://appshunter.io/ios/app/the-sun-cycle/id6740162769)

This app offers immersive, high-energy fitness classes led by top instructors, set to motivating playlists. Users can book in-person or virtual studio sessions, access an on-demand library, and track their progress. It's designed for all fitness levels, blending fun with effective workouts.

**Highlights:** High-energy classes, Top instructors, On-demand library, Progress tracking, Class booking, Virtual studio

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

**In-app purchases:** none


### OptimalFit

[App page](https://appshunter.io/ios/app/optimalfit/id6754051624)

This app offers personalized fitness and nutrition plans that adapt to your individual goals, schedule, and equipment. It provides AI-powered coaching and progress tracking to help you achieve sustainable improvements in your fitness and overall wellness.

**Highlights:** Customized resistance-training workouts, Personalized nutrition guidance, AI-powered coaching, Progress tracking, Adaptive to user needs, Body composition improvements

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OptimalFit Membership | $19.95 | per month |
| OptimalFit | $199.00 | per year |


## Frequently asked questions

### Is The Sun Cycle free?

The Sun Cycle is free to download, with no in-app purchases.

### Is OptimalFit free?

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

### Which has better reviews, The Sun Cycle or OptimalFit?

The Sun Cycle is rated higher. The Sun Cycle averages 5.0 out of 5 from 2 ratings, while OptimalFit averages 3.1 from 14 ratings.

### Do The Sun Cycle or OptimalFit have ads?

Neither The Sun Cycle nor OptimalFit shows ads.

### Which is updated more often, The Sun Cycle or OptimalFit?

The Sun Cycle ships an update every 10 months, and OptimalFit every 3 days. Most recently, The Sun Cycle was updated on October 28, 2026 and OptimalFit on October 30, 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.*