iEngineer
iEngineer Summary
iEngineer is a with in-app purchases iOS app in Books And Reference by Perfectly Simple Apps LLC. Released in May 2010 (16 years ago). It has 252 ratings with a 4.49★ (good) average. Based on AppGoblin estimates, it reaches roughly 1.3K monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store metadata: updated Sep 22, 2017, version 1564.
Data tracking: SDKs and third-party integrations were last analyzed on Apr 8, 2026.
Store info: Last updated on App Store on Sep 22, 2017 (version 1564).
4.49★
Ratings: 252
Screenshots
App Description
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 support@perfectlysimpleapps.com