Comparison

定規(Ruler) vs Inch Ruler device size measure

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

定規(Ruler)

You can measure real 実寸で測れます。

Free

🔧 Utilities

★ 5.02 ratingsView app →

Inch Ruler device size measure

your device as Ruler, measure.

Free

🔧 Utilities

No ratingsView app →

About

定規(Ruler)

A straightforward measuring tool for iPhones, offering accurate measurements in both millimeters and inches. It's designed for ease of use and provides a cool, functional experience for everyday measuring needs.

Highlights

Accurate measurements
Millimeter display
Inch display
Supports all iPhone sizes
Simple interface

Read full description

シンプルな定規、mmとinch表示で全てのサイズのiPhoneで正確に測れます。カッコいいでしょ You can measure correctly in iPhone with the size of everything by simple ruler, mm and inch indication. It would be cool

About

Inch Ruler device size measure

Features

Read full description

This App makes your device as a [Inch] ruler. - Ruler UI. width, height. - Show Tapped Position Size.(width, height) - Ability to measure and record sizes. - Feature to share the list of recorded sizes - Change Ruler Color.

Screenshots

定規(Ruler)4 screens

Inch Ruler device size measure4 screens

Verdict

The call

The clearest difference is ads: 定規(Ruler) at none against Inch Ruler device size measure's shown. 定規(Ruler) also leads on iOS requirement (15.6 vs 17.0). Inch Ruler device size measure's advantage is update cadence (every 4 days vs every 6 months). On price, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

定規(Ruler) ships an update every 6 months, Inch Ruler device size measure every 4 days. The most recent releases landed on June 1, 2026 and August 21, 2026 respectively.

Scorecard3 real differences · 7 level

定規(Ruler) versus Inch Ruler device size measure: the parameters behind the verdict, then further details
Parameter	定規(Ruler)	Inch Ruler device size measure
Price	Free	Free
Rating	5.0 (2 ratings) — better	—
Positive reviews	80.0% of reviews	—
Number of ratings	2 — better	—
Update frequency	Every 6 months	Every 4 days — better
Ads	No — better	Yes
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPod	iPhone, iPad
Requires iOS	15.6 — better	17.0
Further details — not scored
Size	3 MB	23 MB
Age rating	4+	4+
Developer	Mayumi Kato	Taisuke Hosokawa

In-app purchases

None

定規(Ruler)

No in-app purchases

None

Inch Ruler device size measure

No in-app purchases

Questions

Is 定規(Ruler) free?

定規(Ruler) is free to download, with no in-app purchases.

Is Inch Ruler device size measure free?

Inch Ruler device size measure is free to download, with no in-app purchases.

Do 定規(Ruler) or Inch Ruler device size measure have ads?

Inch Ruler device size measure shows ads; 定規(Ruler) does not.

Which is updated more often, 定規(Ruler) or Inch Ruler device size measure?

定規(Ruler) ships an update every 6 months, and Inch Ruler device size measure every 4 days. Most recently, 定規(Ruler) was updated on June 1, 2026 and Inch Ruler device size measure on August 21, 2026.