---
title: "GearCalc Pro - Reviews, Revenue and Downloads in Saudi Arabia | Apple App Store"
description: "GearCalc Pro is the most professional gear ratio calculator and 3D simulator for hobbyists, makers, and engineers working with motorized projects.  WHAT IT DOES - Calculate exact gear ratios for any m"
---

# GearCalc Pro — Saudi Arabia
> Gear Ratio Calc & 3D Sim

![GearCalc Pro App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/24/64/16/24641660-03c5-3faf-b80d-a49ea8c043da/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png)

**Developer:** [Sui Fai Law](https://apptail.io/developer/sui-fai-law-fvLZRb)
**Category:** Utilities
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** com.neuralworks.gearcalculator
**Store:** Apple App Store
**Country:** Saudi Arabia
**Version:** 1.1 (released 2026-08-20)
**Original Release:** 2026-05-08
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/sa/app/app/id6767600060)
**AppTail Page:** [https://apptail.io/app/gearcalc-pro-CUFz/saudi-arabia](https://apptail.io/app/gearcalc-pro-CUFz/saudi-arabia)

## GearCalc Pro Description
GearCalc Pro is the most professional gear ratio calculator and 3D simulator for hobbyists, makers, and engineers working with motorized projects.

WHAT IT DOES
- Calculate exact gear ratios for any motor + target speed/torque
- Auto-suggest optimal gear teeth combinations across 1-6 stages
- Real-time 3D visualization of compound gear trains with proper meshing
- Simulate gear rotation at adjustable input RPM with live output display
- Battery life estimation across 11 battery types
- Reverse motor finder - given target RPM/torque, find the best motor

MOTOR LIBRARY (18 models)
- Ultra Micro: N10
- Micro: N20, N30, GA12-N20 gearmotor
- Small: TT, DC 130/FA-130, DC 180, DC 260, DC 280
- Medium: DC 380, RS-540, RS-545, RS-550
- Large: RS-775, RS-895
- BLDC: 2208 drone motor
- Stepper: NEMA 14, NEMA 17, NEMA 23
- Servo: SG90, MG996R
- Custom motor input - add your own specs

ENGINEERING FEATURES
- Standard gear theory: D = teeth x module
- Per-stage efficiency (Spur, Helical, Worm, Bevel, Planetary)
- Gear pair recommendations from 21 standard tooth counts (8T to 120T)
- Worm gear support with 1/2/4-start configurations
- Standard ISO modules (0.3 to 4.0)
- Motor dimension diagrams with shaft, bore, and mounting specs
- Save/load configurations

3D VISUALIZATION
- Real PBR-rendered gears with metallic shading
- Color-coded stage badges
- Auto-fit camera, free 3D rotation
- Reset view to recenter
- Start/stop animation with physics-correct rotation

8 LANGUAGES
Traditional Chinese, English, Simplified Chinese, Japanese, Korean, Spanish, French, German.

EXPORT
- Generate spec sheet image
- Copy text spec to clipboard
- Share via standard iOS share sheet

Whether you're designing a robot, toy, RC car, 3D printer, or CNC machine, GearCalc Pro gives you the math, the visualization, and the engineering data in one beautifully designed app.

## GearCalc Pro Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/6e/c1/20/6ec120e5-20ad-f352-8faa-242913fd414a/02_motor_setup.png/1290x2796.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/04/0e/11/040e11d8-f6ab-5680-95c9-3b489d056270/03_3d_view.png/1290x2796.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/c9/1e/af/c91eaff6-f377-280a-2a68-8dc85072eec5/04_motor_finder.png/1290x2796.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/be/80/e7/be80e73e-31ae-3aa2-521b-4865bc1a2eba/05_gear_design.png/1290x2796.png)







## GearCalc Pro Available In
- [Azerbaijan](https://apptail.io/app/gearcalc-pro-CUFz/azerbaijan)
- [China](https://apptail.io/app/gearcalc-pro-CUFz/china)
- [Dominican Republic](https://apptail.io/app/gearcalc-pro-CUFz/dominican-republic)
- [Algeria](https://apptail.io/app/gearcalc-pro-CUFz/algeria)
- [Israel](https://apptail.io/app/gearcalc-pro-CUFz/israel)
- [Malaysia](https://apptail.io/app/gearcalc-pro-CUFz/malaysia)
- [Saudi Arabia](https://apptail.io/app/gearcalc-pro-CUFz/saudi-arabia)
- [Singapore](https://apptail.io/app/gearcalc-pro-CUFz/singapore)
- [Thailand](https://apptail.io/app/gearcalc-pro-CUFz/thailand)
- [Taiwan](https://apptail.io/app/gearcalc-pro-CUFz/taiwan)
- [United States](https://apptail.io/app/gearcalc-pro-CUFz/united-states)

---

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