Transform your device into a precise digital caliper for measuring objects in inches and millimeters. Features intuitive drag-and-measure functionality and accurate screen calibration using common items.
5.0(1 ratings)
FreeIn-App Purchases
Best Super Ruler alternatives: apps like Super Ruler
10+ similar apps compared and reviewed
4.4 avg rating
8 free apps
Updated October 2026
Whether you want more options like Super Ruler or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.
Top Alternatives to Super Ruler
4.3(26 ratings)
$1.99
Measure objects of any size with your phone. Features a 5-meter tape measure for larger items and a precision caliper mode for measuring small objects down to a tenth of a millimeter. Offers highly accurate readings tested across various devices and settings.
4.6(8 ratings)
FreeAdsIn-App Purchases
Measure key cuts accurately using your device's camera. This utility helps decode keys when a physical caliper is unavailable or difficult to read. Offers predefined systems and custom measurement options for various lock types.
