# Gear Calculator Pro — Gear Calculation Tool Helical > Professional mechanical tool for calculating and optimizing gear parameters. (iPhone/iPad app by 志桂 李.) - Source: https://appshunter.io/ios/app/gear-calculator-pro/id6463792360 (this page in markdown: same URL + `.md`) - Developer: [志桂 李](https://appshunter.io/developer/1686507153) - Category: Utilities - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 13.0 · 6 MB - Languages: English, German, Japanese, Russian, Chinese, Chinese - Released: 2024-08-28 - Data updated: 2026-06-02 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/gear-calculator-pro/id6463792360/reviews.md ## What is Gear Calculator Pro? The Gear Calculation App is a professional mechanical design tool tailored for engineers and mechanical enthusiasts. Whether you need to design gears, calculate gear parameters, or optimize mechanical transmission systems, this app can meet your needs. With its simple and intuitive interface and powerful calculation functions, you can easily calculate key parameters such as gear module, number of teeth, pressure angle, pitch diameter, and addendum circle diameter. Main Features: Accurate Calculations: Supports precise calculations for various gear types, including spur gears, helical gears, worm gears, and more, ensuring that your design data is highly accurate. Custom Parameters: Allows users to input custom parameters and adjust gear design and calculation methods as needed. Real-time Preview: Calculation results are instantly visible, helping you quickly verify the feasibility of your design. Efficient Tools: Includes a variety of commonly used formulas and tools, simplifying the gear design and analysis process. User-friendly: Easy to operate, suitable for users of all levels, from beginners to professional engineers. Whether you are engaged in mechanical design work or studying gear mechanics, this app will become an indispensable assistant for you. Download the Gear Calculation App now and start optimizing your designs! ## Key features - Accurate calculations for spur, helical, and worm gears - Customizable design parameters - Real-time calculation previews - Efficient gear design formulas and tools - User-friendly interface for all levels ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | 永久会员 | $9.99 | one-time | ## Frequently asked questions about Gear Calculator Pro ### What types of gears can Gear Calculator Pro calculate? Gear Calculator Pro supports precise calculations for various gear types, including spur gears, helical gears, and worm gears, ensuring highly accurate design data. ### Can I customize the gear parameters in Gear Calculator Pro? Yes, users can input custom parameters and adjust gear design and calculation methods as needed, offering flexibility for specific design requirements. ### How often is Gear Calculator Pro updated? The app was last updated on September 4, 2024, with version 1.0.2. This indicates a recent update, suggesting active development and support. ### What devices does Gear Calculator Pro support? Gear Calculator Pro is available on Mac, iPhone, iPad, and iPod, making it accessible across various Apple devices. ### What is the age rating for Gear Calculator Pro? Gear Calculator Pro has an age rating of 4+, making it suitable for a wide range of users, including younger students learning about mechanics. ### Does Gear Calculator Pro have ads? No, Gear Calculator Pro does not contain advertisements, providing an uninterrupted user experience. ### What is the user sentiment for Gear Calculator Pro? Based on the available data, Gear Calculator Pro has a perfect rating of 5.0 stars from 1 rating, indicating very positive initial user feedback. ### Is Gear Calculator Pro free to download? Yes, Gear Calculator Pro is free to download and use, with the option for in-app purchases for additional features or content. ## Version history (last 3 releases) ### 1.0.2 — 2024-09-04 fix some bugs ### 1.0.1 — 2024-09-01 fix some bugs ### 1.0 — 2024-08-28 No release notes. ## Apps similar to Gear Calculator Pro | App | Rating | Price | Category | | --- | --- | --- | --- | | [Flat Pattern Bend Calculator](https://appshunter.io/ios/app/flat-pattern-bend-calculator/id1361485922) | 4.7 (147) | Free | Utilities | | [RC Pit Calc Pro](https://appshunter.io/ios/app/rc-pit-calc-pro/id1562268871) | 4.4 (23) | Free | Utilities | | [Mechanical Engineering Toolkit](https://appshunter.io/ios/app/mechanical-engineering-toolkit/id1601099443) | 4.8 (50) | Free | Utilities | | [R1WURKS](https://appshunter.io/ios/app/r1wurks/id1449942877) | 4.1 (15) | Free | Utilities | | [RC Speed Calculator Pro](https://appshunter.io/ios/app/rc-speed-calculator-pro/id6445860835) | 4.9 (23) | Free | Utilities | | [BikeCalc - Gear Calculator](https://appshunter.io/ios/app/bikecalc-gear-calculator/id1625754501) | 3.5 (6) | Free | Utilities | ## More apps by 志桂 李 - [Teleprompter Syncs with Speech](https://appshunter.io/ios/app/teleprompter-syncs-with-speech/id6451350493) - [Voice MemoPad](https://appshunter.io/ios/app/voice-memopad/id6467125264) - [TOEFL Practice \| Test](https://appshunter.io/ios/app/toefl-practice-test/id6471841387) - [IELTS Practice \| Test](https://appshunter.io/ios/app/ielts-practice-test/id6526463103) - [IELTS vocabulary +](https://appshunter.io/ios/app/ielts-vocabulary-plus/id6737145494) All apps by 志桂 李: https://appshunter.io/developer/1686507153 ## Related topics [gear calculator pro](https://appshunter.io/ios/topics/gear-calculator-pro) · [gear calculator plus](https://appshunter.io/ios/topics/gear-calculator-plus) · [gear calculator](https://appshunter.io/ios/topics/gear-calculator) · [spur gear calculator](https://appshunter.io/ios/topics/spur-gear-calculator) · [gear link](https://appshunter.io/ios/topics/gear-link) · [track gear calculator](https://appshunter.io/ios/topics/track-gear-calculator) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-02.*