# RTC Winching Load Calculator vs Pulley Mech Advantage

The clearest difference is price: Pulley Mech Advantage at Free against RTC Winching Load Calculator's $4.99. RTC Winching Load Calculator's advantage is in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement there is nothing between them.

Pulley Mech Advantage is free to download; RTC Winching Load Calculator costs $4.99 up front. Pulley Mech Advantage sells 2 in-app purchases, starting at $9.99 per 7 days. RTC Winching Load Calculator asks for nothing beyond the download.

RTC Winching Load Calculator ships an update every 2 weeks, Pulley Mech Advantage fortnightly. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | RTC Winching Load Calculator | Pulley Mech Advantage |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/pulley-mech-advantage/id6771943228/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 23 MB | 1 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jon Curley](https://appshunter.io/developer/1871876640) | [Linh Phan Nhat Khanh](https://appshunter.io/developer/1777727575) |

## What reviewers say

### RTC Winching Load Calculator

[App page](https://appshunter.io/ios/app/rtc-winching-load-calculator/id6758267772)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pulley Mech Advantage

[App page](https://appshunter.io/ios/app/pulley-mech-advantage/id6771943228)

Calculate the mechanical advantage and required effort for pulley systems instantly. Visualize rope paths and understand rigging configurations with color-coded indicators. Save unlimited scenarios for future reference.

**Highlights:** Instant mechanical advantage calculator, Live rope-path diagram, Color-coded effort indicator, Eight classic pulley reference systems, Unlimited scenario saving, Offline functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pulley Mech Advantage Weekly | $9.99 | per 7 days |
| Pulley Mech Advantage Yearly | $49.99 | per year |


## Frequently asked questions

### Is RTC Winching Load Calculator free?

RTC Winching Load Calculator costs $4.99, with no in-app purchases.

### Is Pulley Mech Advantage free?

Pulley Mech Advantage is free to download, with in-app purchases available.

### Do RTC Winching Load Calculator or Pulley Mech Advantage have ads?

Neither RTC Winching Load Calculator nor Pulley Mech Advantage shows ads.

### Which is updated more often, RTC Winching Load Calculator or Pulley Mech Advantage?

RTC Winching Load Calculator ships an update every 2 weeks, and Pulley Mech Advantage fortnightly. Most recently, RTC Winching Load Calculator was updated on November 9, 2026 and Pulley Mech Advantage on October 31, 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.*