---
title: "Belt & Pulley Calculator — App Overview"
url: https://marlvel.ai/intel-report/productivity/belt-pulley-calculator
category: Productivity
developer: H3 Apps, LLC
platforms: ios, android
rating: 3.7 (129 ratings)
pricing: free
report_level: overview
generated: 2026-04-16
last_verified: "2026-04-16T17:53:42.953Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** While the app provides useful mechanical calculations, users have reported discrepancies between the advertised price and actual charges.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Productivity |
| Rating | 3.7 ★ (129) |
| Pricing | free |
| Platforms | iOS, Android |
| Latest Version (iOS) | 1.0.0 |
| Latest Version (Android) | Panda |
| Developer | H3 Apps, LLC |

<!-- SECTION: Summary -->
## What is Belt & Pulley Calculator?

Belt & Pulley Calculator is a productivity tool designed to assist engineers and technicians in configuring two-pulley belt systems. It calculates critical mechanical metrics such as belt velocity, tension, torque, wrap angle, and driven RPM based on user-provided inputs. The app supports both imperial and metric units and includes functionality to share results via text or email.

<!-- SECTION: Key Features -->
## Key Features

- **Mechanical Calculations**: Computes belt velocity, tension, torque, wrap angle, and driven RPM based on pulley diameters, RPM, power, and center distance.
- **Unit Flexibility**: Supports both imperial and metric units of measure for global compatibility.
- **Data Sharing**: Allows users to export and share calculation results directly via text or email.

<!-- SECTION: Target Audience -->
## Who is it for?

Mechanical engineers, maintenance technicians, and industrial designers working with belt-driven machinery.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/belt-pulley-calculator/id1619824401?uo=4)
- [Google Play](https://play.google.com/store/apps/details?id=in.co.surve.pullybeltlength&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/productivity/belt-pulley-calculator)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/productivity/belt-pulley-calculator).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*