Ruler® subscription: cost, reviews, how to cancel

• App Store rating4.3★ from 35,108 ratings
• Cheapest subscription$1.99 per week
• Reviews mentioning billing, last 12 months7 of 35 reviews

On this page: what it costs, how to cancel, what reviewers say.

What the data says

• Billing complaints in reviews7 of 35 reviews in the last 12 months mention charges, subscriptions, refunds or cancelling (20%)
• Free trial converts to a paid plan3 days free trial, then $1.99 per week

What Ruler® costs

Download: Free. Subscriptions start at $1.99 per week.

• Ruler Pro (Weekly)3 days free trial, then renews every week$1.99

How to cancel Ruler®

1. Open Settings on your iPhone and tap your name at the top.
2. Tap Subscriptions.
3. Select Ruler® (listed under a plan name such as Ruler Pro (Weekly)).
4. Tap Cancel Subscription and confirm. You keep access until the end of the paid period.

If the app is not in that list, it was not billed through Apple. Cancel it with the developer instead: support page or website.

Charged after cancelling or during a trial? Request a refund at reportaproblem.apple.com within 90 days.

What reviewers say

Reported bugs

Inconsistent measurements; Compatibility issues with newer devices.

Recent one-star reviews

Inches only with paid version??My view has centimeters on both sides of the ruler, and a pop says pay $1.99 for both. I don’t see that mentioned in the app description here, and the screenshots misleadingly show both. One ⭐️.

$$$Get your wallet out. They want you to pay to measure in inches now.

SchrottFür iPhone konzipiert, Massangaben stimmen nicht, wenigsten kostenlos

Recent five-star reviews

准确，简单，实用，无广告！试了几个，都不准。这个非常准且好用。

very goodthanks for the tool，非常棒，不像国内的全垃圾广告

尺子准确，界面清晰，没有广告试用了几个免费的尺子工具，只有这个和ytool是准确的

About the developer

Tue Nguyen Minh has published on the App Store since Jun 22, 2011: 36 app(s), 9 of them no longer in the store.

• Flower Board™4.3★
• Flower Board HD - A relaxing puzzle game4.5★
• Toolbox™4.7★
• Bubble Level Plus+4.5★
• Big Stopwatch™4.5★

Alternatives to Ruler®

• Tape Measure®4.6★
• Tape Measure™4.4★

Also similar: Rul3r (4.4★), Ruler, Measuring Tape - AR App (4.3★), Screen Ruler: Measure Length (3.7★), The Tape Measure & 3D Scanner (4.4★)

Questions people ask

How much does Ruler® cost?

Download: Free. Subscriptions start at $1.99 per week.

How do I cancel Ruler®?

On your iPhone open Settings, tap your name, tap Subscriptions, select Ruler® and tap Cancel Subscription. You keep access until the end of the paid period.

Does Ruler® have a free trial?

Yes: Ruler Pro (Weekly) offers a 3 days free trial, then $1.99 per week.

Is Ruler® free to use?

The app is free to download and use, offering a range of measurement functionalities. It does have in-app purchases, suggesting that some advanced features or customization options may require payment.

Ruler® in one paragraph

Ruler® by Tue Nguyen Minh is a Utilities app for iPhone. Download: Free. Subscriptions start at $1.99 per week across 1 plan(s). App Store rating 4.3 from 35,108 ratings. 7 of 35 reviews in the last 12 months mention charges, subscriptions, refunds or cancelling (20%). The developer has 36 app(s) on the App Store, 9 no longer listed. Cancel through Settings › Subscriptions on the iPhone. Data verified Oct 23, 2026 by AppsLupa.

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