# Bar Path vs Engine

The clearest difference is price: Engine at Free against Bar Path's $4.99. Bar Path's advantage is in-app purchases (none vs 2) and ads (none vs shown). On update cadence and device support there is nothing between them.

Engine is free to download; Bar Path costs $4.99 up front. Engine sells 2 in-app purchases, starting at $9.99 per month. Bar Path asks for nothing beyond the download.

Bar Path ships an update fortnightly, Engine every 10 days. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Bar Path | Engine |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[3.0 (5 ratings)](https://appshunter.io/ios/app/bar-path/id1097402002/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Paid | — |
| Size | 21 MB | 54 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Robert Frederick](https://appshunter.io/developer/504858274) | [Les Nants](https://appshunter.io/developer/1807100390) |

## What reviewers say

### Bar Path

[App page](https://appshunter.io/ios/app/bar-path/id1097402002)

This app helps you analyze the quality of your training by tracking barbell trajectory, range of motion, and power output. Understand your weakest points and identify when your form breaks down for smarter workouts.

**Highlights:** Barbell trajectory plotting, Range of motion analysis, Identify weakest lift points, Measure power generation, Rep consistency tracking, Form breakdown detection

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

**In-app purchases:** none


### Engine

[App page](https://appshunter.io/ios/app/engine-boost-your-vo2max/id6756730497)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $9.99 | per month |
| Yearly Plan | $39.99 | per year |


## Frequently asked questions

### Is Bar Path free?

Bar Path costs $4.99, with no in-app purchases.

### Is Engine free?

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

### Do Bar Path or Engine have ads?

Engine shows ads; Bar Path does not.

### Which is updated more often, Bar Path or Engine?

Bar Path ships an update fortnightly, and Engine every 10 days. Most recently, Bar Path was updated on October 8, 2026 and Engine on September 30, 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.*