Ruler®

Name: Ruler®
Rating: 4.3 (35068 reviews)
Author: Tue Nguyen Minh

By: Tue Nguyen Minh

+ Photo Ruler & AR Measure

Features & Capabilities

Your pocket-ready ruler toolkit for quick, accurate measurements on the go. Ruler® features a classic ruler, a tape measure, and a camera ruler, with dual units (inches and centimeters) and intuitive precision sliders.

Use AR Measure to capture real-world dimensions with your camera, or enable Photo Measures to attach measurements directly to photos for organized records.

User Growth & Download Statistics

App Photography Design

By:

Tue Nguyen Minh

Rating:

4.30

(35,068) 1 ratings

Version:

3.8.5 Last updated: 2026-01-02

Version code:

881122651

Creation date:

2013-03-28

Compatible devices:

Size:

24.89MB

URLs:

Website ,Privacy policy

Full description:

Source:

Apple Apps Store

Data ingested on:

2026-06-25

Compare stats and ranking:

Ranking

# 8,494 ▼ 70

Other rankings

#2 in rule keyword 8

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.

Developed by:

Tue Nguyen Minh

Apple Apps Store

https://apps.apple.com/us/app/ruler/id623207505

Website:

http://www.phoenixmobileonline.com/index.html

User Reviews

The app’s core idea and clean design are praised, but frequent complaints focus on monetization barriers (paywalls and subscriptions for basic units), ads, an unusable reference-object method, and accuracy issues. Users also report glitches and feature removals after updates, undermining reliability. Overall, the concept and visuals are liked, but paid access and reliability concerns dominate.

Pros

Handy two-unit ruler (inches and centimeters) with a simple, easy-to-use interface.
Sharp, professional-looking graphics.
Privacy-friendly feel (users note it doesn’t appear to collect data).

Cons

In-app paywalls to access inches/centimeters, often via subscriptions or upfront upgrades.
Ads in the free version and perceived high cost of upgrades.
Reference object measurement feature is unusable or impractical.
Measurements can be inaccurate (reported off by up to ~10%).
Updates/monetization changes remove features or cause glitches, frustrating users.

Recent reviews

Like my title said they had it in cm and I couldn't change it to inches without paying. I even tried to see how many cm are in inches but it was really hard to tell. It's free and no ads but still🙄