# Volym vs Compound Theory

The clearest difference is update cadence: Compound Theory at every 6 days against Volym's every 6 weeks. Volym's advantage is iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Volym sells 2 in-app purchases, starting at $2.99 per month and Compound Theory sells 3 in-app purchases, starting at $3.99 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 Volym against 5.0 for Compound Theory. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Volym ships an update every 6 weeks, Compound Theory every 6 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Volym | Compound Theory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/volym-workout-tracker/id6444162767/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/compound-theory-lifting/id6762104851/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Monetization | Freemium | Freemium |
| Size | 127 MB | 16 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Peter Nielsen](https://appshunter.io/developer/1652707853) | [Shane Young](https://appshunter.io/developer/1892931800) |

## What reviewers say

### Volym

[App page](https://appshunter.io/ios/app/volym-workout-tracker/id6444162767)

This strength training log automates weight and rep targets for each workout, ensuring consistent progress. It calculates warm-ups, tracks personal records, and allows for fast logging of sets and supersets. Log from your wrist with Apple Watch integration.

**Highlights:** Auto progression for weight and reps, Calculated warm-up sets, Apple Watch logging, Progress charts and personal records, Fast workout editor, Session and routine planning, Plate calculator

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Volym Pro Monthly | $2.99 | per month |
| Volym Pro Annually | $29.99 | per year |


### 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 Volym free?

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

### Is Compound Theory free?

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

### Which has better reviews, Volym or Compound Theory?

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

### Do Volym or Compound Theory have ads?

Neither Volym nor Compound Theory shows ads.

### Which is updated more often, Volym or Compound Theory?

Volym ships an update every 6 weeks, and Compound Theory every 6 days. Most recently, Volym was updated on October 30, 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.*