Ruler ++ appears to be a legitimate app. The AppsHunter Legitimacy Score for Ruler ++ is 95 out of 100 points across 7 verification signals from App Store and developer data.

Ruler ++ User Reviews

Name: Ruler ++
Rating: 3.5 (934 reviews)

Ruler ++

Fapps World et Cie S.E.C.S.

🔧 Utilities

📊 Productivity

Customer Experience

Positive experience14.9% of reviews

Neutral3.9% of reviews

Negative experience81.2% of reviews

~ Based on 825 written reviews from the US App Store.

What users say

Summarized from real user reviews of Ruler ++. Based on 934 reviews and a 3.5/5 average, it highlights the 3 positives and 6 negatives reviewers mention most about this Productivity app.

Positive things

👍Simple and quick to use
👍Includes both metric and Imperial measures
🚀Great for wanting to measure displayed length

Negative things

🐛Measurements are not accurate
🐛Ruler not matching real-world measurements
🐛Ruler not scaling properly on different devices
🔋Ads make it impossible to use
🔋Constant, intrusive ads
🔋Ads with sound that can't be turned off

Is Ruler ++ Safe?

Ruler ++ appears mostly safe based on user ratings. AppsHunter Safety Score for Ruler ++ is 70/100.

This assessment is based on 934 user ratings, with an App Store average of 3.5/5.

Safety Analysis

61.9% of ratings point to a safe experience

4.3% of ratings suggest some concerns

33.8% of ratings point to a risky experience

~ Based on 934 App Store ratings for Ruler ++.

Is Ruler ++ Legit?

Ruler ++ appears to be a legitimate app. AppsHunter Legitimacy Score for Ruler ++ is 95/100.

Based on 95 of 100 points across 7 verification signals from App Store and developer data.

Top reviews

Most Recent Highest Rated Lowest Rated

Ad banner makes ruler inaccurate

I wish I was joking here, but the banner ad at the top of the app squishes the ruler image and makes the ruler’s increments inaccurate! You need to pay to remove the ads to get an actually accurate ruler! Ridiculous!

Ben543897

a month ago

is deceiving

Shows distance incorrectly.

Arsars+

3 months ago

普通にズレとる

1cmは合ってるんだけど長くなるにつれてズレてくる

く○アプリ撲滅委員長

4 months ago

Useless

There is no way to adjust the rule to match your phone. I have a 17 pro max and it over measures on the scale

New Biggles

5 months ago

Incorrect scale

Incorrect scale on iPhone 12 mini

.*:ﾟ（｀・ω・´）ゝﾟ:*.

6 months ago

Yep its a ruler

🤘

daquan .

6 months ago

Non veritiero

Assolutamente inutile

Giammy3383

6 months ago

Wrong measurement

This app is not accurate. 1 inch is not an inch. It is about a half an inch off.

Dave 1775

7 months ago

Achtung Werte stimmen nicht

iPhone 12 Pro Max und Zentimeter stimmen definitiv nicht

Phlek

8 months ago

Không chuẩn

Kích thước trên app lớn hơn kích thước thực tế

bé sún 3 tuổi

8 months ago

なんちゃって定規

iPhone12 miniで使用。
セミオーダー品の作成のため使用していたが実数値が合わないことが多く定規と比較。

10mmまでは合っているがそれ以降はどんどんズレる。

最終的にアプリで100mmのところは定規で92mmでした。

二度と使わない。

じゃらもん

8 months ago

Très imprécis sur mon iPhone 12 mini

J’ai eu le besoin de vérifier la précision de cette règle. J’ai essayé sur la largeur d’une feuille A4 : 22,7 cm au lieu de 21,0 cm !
App à éviter à tout prix, on ne peut pas y faire confiance !

nickele

9 months ago

Great, but not with iPhone 17

This is a nice simple ruler app, but unfortunately it is not accurate on my iPhone 17 with iOS 26. I’m sure the developer can update it in due course.

chazzo_b

9 months ago

This is way off

The scale it totally off

CertifiedCE

9 months ago

Not accurate

We tested it out on two different phones with different screen sizes (iphone 14 pro max and 12 pro) and the screen displayed an identical picture (i.e. 1cm on the smaller iPhone did not correspond to 1cm on the larger iPhone)

Viktrrr