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 1.1K ratings with a 4.50★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 3.5K monthly active users and generates around $<10K monthly revenue (44% IAP / 56% ads). Store metadata: updated Oct 6, 2025, version 1.21.0.
Recent activity: 9.00 new ratings this week View trends →
Data tracking: SDKs and third-party integrations were last analyzed on Apr 27, 2026.
Store info: Last updated on App Store on Oct 6, 2025 (version 1.21.0).
Rul3r was last scanned for SDKs 2026-04-27. 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
Firebase4.5★
Ratings: 1.1K
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