# Proof vs Compound

The clearest difference is in-app purchases: Proof at none against Compound's 3. Proof also leads on ratings volume (4 vs 1) and device support (4 vs 2). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Compound sells 3 in-app purchases, starting at $4.99 per month. Proof asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Proof against 5.0 for Compound. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Proof ships an update every 4 days, Compound weekly. The most recent releases landed on October 31, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Proof | Compound |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/proof-smarter-workout-tracker/id6777612827/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/compound-gym-workout-routine/id6796103475/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Free with in-app purchases | Freemium |
| Size | 26 MB | 17 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Serafin Vazquez](https://appshunter.io/developer/6777613189) | [SCOTT BERKLEY SHUMAKER](https://appshunter.io/developer/6795264126) |

## What reviewers say

### Proof

[App page](https://appshunter.io/ios/app/proof-smarter-workout-tracker/id6777612827)

This app helps you meticulously log your weightlifting sets and track personal records. It automatically detects and saves your achievements, providing insights into your training patterns and muscle engagement. Enjoy a clean, ad-free experience with no subscriptions or cloud syncing.

**Highlights:** Log sets in two taps, Full lift history, Automatic personal record detection, Muscle training body map, Training pattern analysis, Rest timer with Dynamic Island support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Compound

[App page](https://appshunter.io/ios/app/compound-gym-workout-routine/id6796103475)

This workout app simplifies strength training with a single, progressive routine. It automatically tracks your progress, adjusts weights, and includes warm-ups and cool-downs. Log workouts precisely as you perform them, with Apple Watch integration for seamless tracking.

**Highlights:** Automated double progression weight increases, Automatic warm-up and cool-down routines, Customizable rep ranges and weight jumps, Real-time Apple Watch mirroring, Flexible logging for various exercise types, Private, on-device data storage

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Progression · Monthly | $4.99 | per month |
| Progression · Annual | $29.99 | per year |
| Progression · Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Proof free?

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

### Is Compound free?

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

### Which has better reviews, Proof or Compound?

Proof and Compound are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do Proof or Compound have ads?

Neither Proof nor Compound shows ads.

### Which is updated more often, Proof or Compound?

Proof ships an update every 4 days, and Compound weekly. Most recently, Proof was updated on October 31, 2026 and Compound on October 18, 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.*