Oct 19, 2026
Engineering Equations,Formulas Download and install old versions of Mechanical Engineering Toolkit that suits your device model and enjoy your favorite features!
New in 1.22.0:
• New Hertz Contact Stress calculator: contact pressure and the stresses below the surface for balls and rollers on flat, convex or concave surfaces.
• New Backup & Restore for projects, history, favorites and custom materials: keep a copy or move them to another device.
• Two worked examples each for 12 machine design and 3 vibration calculators.
• Export what-if chart data as CSV.
Mechanical Engineering Toolkit old version 1.22.0 was released on Oct 19, 2026 by Ida yang. The app download size is 36.9 MB. We recommend you download the latest version of Mechanical Engineering Toolkit for the new features and better performance.
Download the Latest VersionCheck out the detailed comparison between the latest and old version of Mechanical Engineering Toolkit, including the file size and Android system requirements.
| Version 1.22.0 | Version 1.26.0 (Latest) | |
|---|---|---|
| Package Name | com.appsbay.mechanical_engineering_toolkit | com.appsbay.mechanical_engineering_toolkit |
| Version | 1.22.0 | 1.26.0 |
| Update Date | Oct 19, 2026 | Nov 3, 2026 |
| Size | 36.9 MB | 36.4 MB |
| Requires Android | Android 7.0+ (N, API 24) | Android 7.0+ (N, API 24) |
| Architecture | armeabi-v7a | arm64-v8a |
| Signature | 63cbfa45c9a4ff7a41e71b58b5cfc66edb33a6c7 | 63cbfa45c9a4ff7a41e71b58b5cfc66edb33a6c7 |
| Google Play App License | Not Required | Not Required |