# Compound Theory vs Cataract Surgery Guide

The clearest difference is in-app purchases: Cataract Surgery Guide at none against Compound Theory's 3. Cataract Surgery Guide also leads on iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Compound Theory | Cataract Surgery Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/compound-theory-lifting/id6762104851/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Freemium | — |
| Size | 16 MB | 4 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shane Young](https://appshunter.io/developer/1892931800) | [MARC HOWARD SHOMER](https://appshunter.io/developer/6789217923) |

## What reviewers say

### 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 |


### Cataract Surgery Guide

[App page](https://appshunter.io/ios/app/cataract-surgery-guide/id6789217921)

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

**In-app purchases:** none


## Frequently asked questions

### Is Compound Theory free?

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

### Is Cataract Surgery Guide free?

Cataract Surgery Guide is free to download, with no in-app purchases.

### Do Compound Theory or Cataract Surgery Guide have ads?

Neither Compound Theory nor Cataract Surgery Guide shows ads.

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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.*