# Compound Theory vs Cindy Workout Tracker

The clearest difference is update cadence: Compound Theory at every 4 days against Cindy Workout Tracker's every 3 weeks. Cindy Workout Tracker's advantage is iOS requirement (15.5 vs 17.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Compound Theory sells 3 in-app purchases, starting at $3.99 per month and Cindy Workout Tracker sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Compound Theory against 5.0 for Cindy Workout Tracker. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Compound Theory ships an update every 4 days, Cindy Workout Tracker every 3 weeks. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Compound Theory | Cindy Workout Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/compound-theory-lifting/id6762104851/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/cindy-workout-tracker-repcap/id6800595567/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | Freemium | Freemium |
| Size | 16 MB | 88 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shane Young](https://appshunter.io/developer/1892931800) | [Roman Bublyk](https://appshunter.io/developer/1804038832) |

## 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 |


### Cindy Workout Tracker

[App page](https://appshunter.io/ios/app/cindy-workout-tracker-repcap/id6800595567)

This app uses your phone's camera to automatically count reps and rounds for exercises like pull-ups, push-ups, and squats. It tracks your pace and breaks, providing detailed reports and video analysis after each workout. Share your progress with shareable videos and statistics.

**Highlights:** Automatic rep and round counting, Workout time, pace, and break tracking, Progress comparison over time, Shareable timelapse workout videos, Shareable workout statistics cards, Privacy-focused, data stays on device

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RepCap Pro Monthly | $5.99 | per month |
| RepCap Pro Annual | $29.99 | per year |
| RepCap Pro Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Compound Theory free?

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

### Is Cindy Workout Tracker free?

Cindy Workout Tracker is free to download, with in-app purchases available.

### Which has better reviews, Compound Theory or Cindy Workout Tracker?

Compound Theory and Cindy Workout Tracker are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Compound Theory or Cindy Workout Tracker have ads?

Neither Compound Theory nor Cindy Workout Tracker shows ads.

### Which is updated more often, Compound Theory or Cindy Workout Tracker?

Compound Theory ships an update every 4 days, and Cindy Workout Tracker every 3 weeks. Most recently, Compound Theory was updated on October 14, 2026 and Cindy Workout Tracker on October 8, 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.*