iEngineer
Perfectly Simple Apps LLC Reference iPhoneiPadiPod touch
iEngineer is a free Reference app for iPhone and iPad by Perfectly Simple Apps LLC. Rated 4.6/5 from 198 ratings. Requires iOS 26.0.
- Rating
- 4.6
- 198 ratings
- Price
- Free
- on the App Store
- Size
- 12 MB
- Age 4+
- Updated
- Oct 15
- 2026 · v3.0
Screenshots
About iEngineer
iEngineer is the most comprehensive database of screw/bolt information that you can find anywhere. US screws: -93 different screws from #0 to 4” -Dimensions for 9 standard head styles -74 material grades including SAE, ASTM, and other materials Metric Screws (available as in-app purchase): -210 different metric screws from M1.0 to M100 -Dimensions for 10 standard head styles for ISO, DIN, BS, and ANSI standards where available -86 material grades including 12 additional metric grades, SAE, ASTM, and other materials Displayed values for both the US and Metric screws include: -Standard dimensions -Tap sizes -Clearance hole sizes -Material strength -Recommended torque values -Clamp force -Shear force -Head markings display -3D model of head type -Standard dimensions of head type Other features: -Drill chart with 523 drill bit sizes -Fraction chart -Copy and paste data values -Fast and easy unit conversion -Ability to show/hide material grades in the interface so you only see what is relevant to you If you have any questions please contact us at [email protected]
Ratings & reviews
4.6
198 ratings
What’s new
Version 3.0 · Updated October 15, 2026
- Update for larger iPhone Displays - iPhone Duo support
App privacy
The developer, Perfectly Simple Apps LLC, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| iEngineer | 4.6 / 5 (198 ratings) | Free | October 15, 2026 | |
| Flange Bolt Size & Torque | 4.6 / 5 (373) | Free | Mar 25, 2026 | Compare |
| EE ToolKit | 4.7 / 5 (1,404) | Free | Mar 7, 2026 | Compare |
| Miller Weld Setting Calculator | 4.0 / 5 (80) | Free | Aug 28, 2026 | Compare |
| Mobius iVibe | 3.7 / 5 (7) | Free | Sep 19, 2026 | Compare |
| Mechanical Formula | 4.7 / 5 (34) | Free | Nov 26, 2025 | Compare |
| Steel Profiles | 4.7 / 5 (331) | Free | Oct 20, 2026 | Compare |
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