Rul3r
Rul3r Summary
Rul3r is a ad-supported, with in-app purchases iOS app in Tools by YOYASOFT LLC. Released in Jun 2015 (10 years ago). It has 961 ratings with a 4.53★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 2.8K monthly active users and generates around $<10K monthly revenue (54% IAP / 46% ads). Store metadata: updated Oct 6, 2025, version 1.21.0.
Recent activity: 8.00 new ratings this week View trends →
Data tracking: SDKs and third-party integrations were last analyzed on Feb 24, 2026.
Store info: Last updated on App Store on Oct 6, 2025 (version 1.21.0).
Rul3r was last scanned for SDKs 2026-02-24. Below is the overview of third party companies detected in the app. The full list of raw SDKs, app permissions and unknown SDKs is available here.
Google
nanopb
Firebase4.53★
Ratings: 961
Screenshots
App Description
Did you ever want to measure the length of something but you had no ruler at hand? Rul3r was created exactly for situations like this, so that a portable ruler is always available to you on your phone, whenever you need it.
What's more, Rul3r provides a lot more tools:
* Protractor
* Plumb Line
* Spirit Level
* Elevation, Air Pressure and Location meter
* Decibel Meter
* Ordinal Date Converter