# Strength Cycle vs Compound Theory

The clearest difference is in-app purchases: Strength Cycle at none against Compound Theory's 3. Strength Cycle also leads on ratings volume (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Compound Theory sells 3 in-app purchases, starting at $3.99 per month. Strength Cycle asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Strength Cycle against 5.0 for Compound Theory. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Strength Cycle ships an update every 11 days, Compound Theory every 6 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Strength Cycle | Compound Theory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/strength-cycle/id6762101377/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/compound-theory-lifting/id6762104851/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 6 days** |
| Monetization | — | Freemium |
| Size | 24 MB | 16 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Strength Cycle Studios, LLC](https://appshunter.io/developer/1892356312) | [Shane Young](https://appshunter.io/developer/1892931800) |

## What reviewers say

### Strength Cycle

[App page](https://appshunter.io/ios/app/strength-cycle/id6762101377)

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

**In-app purchases:** none


### Compound Theory

[App page](https://appshunter.io/ios/app/compound-theory-lifting/id6762104851)

This strength training tracker offers a vast library of proven workout programs and allows users to build their own custom routines. It provides insights into muscle recovery, strength standards, and integrates with Apple Health for a comprehensive view of fitness progress.

**Highlights:** Extensive library of pre-built strength programs, Customizable workout routine builder, Muscle recovery tracking with visual indicators, Strength standards comparison, Apple Health integration for recovery insights, One-tap set completion and auto-progression, Apple Watch workout tracking

**Features:** macOS Compatibility, Family Sharing, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Compound Theory Pro | $3.99 | per month |
| Compound Theory Pro | $29.99 | per year |
| Compound Theory Pro | $99.99 | one-time |


## Frequently asked questions

### Is Strength Cycle free?

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

### Is Compound Theory free?

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

### Which has better reviews, Strength Cycle or Compound Theory?

Strength Cycle and Compound Theory are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Strength Cycle or Compound Theory have ads?

Neither Strength Cycle nor Compound Theory shows ads.

### Which is updated more often, Strength Cycle or Compound Theory?

Strength Cycle ships an update every 11 days, and Compound Theory every 6 days. Most recently, Strength Cycle was updated on October 24, 2026 and Compound Theory on October 24, 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.*