--- title: "Pulley Calculator — App Overview" url: https://marlvel.ai/apps/pulley-calculator category: Utilities developer: Nitrio platforms: ios rating: 3.7 (34 ratings) pricing: paid report_level: overview generated: 2026-05-07 last_verified: "2026-05-07T06:56:12.145Z" --- > **Key Insight:** This is a specialized, paid engineering tool focused on streamlining mechanical pulley and belt system calculations. | Metric | Value | |--------|-------| | Category | Utilities | | Rating | 3.7 ★ (34) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 1.2 | | Developer | Nitrio | ## What is Pulley Calculator? Pulley Calculator is an engineering utility designed to perform mechanical calculations for belt length, ratios, RPM, belt speed, and pulley gaps. Developed by Nitrio, the app provides instant results and includes reference formulas for professional or educational use. ## Key Features - **Instant Calculation**: Provides immediate output for belt length, ratio, RPM, belt speed, and pulley gap parameters. - **Data Portability**: Allows users to copy calculation results for use in other applications. - **Automated RPM Logic**: Automatically calculates RPM values once input is provided for either the larger or smaller pulley. - **Reference Formulas**: Includes built-in formulas to serve as a reference for engineering calculations. ## Who is it for? Engineers, technicians, and students working with mechanical pulley and belt systems. ## Links - [App Store](https://apps.apple.com/us/app/pulley-calculator/id1388205210?uo=4) - [Full Intelligence Report](https://marlvel.ai/apps/pulley-calculator) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/pulley-calculator).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*