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Free Pocket Ruler

By PongoSoft

This app is only available on the App Store for iOS devices.


Pocket ruler is a scrollable ruler that allows you to  measure items that are longer than your iPhone/iPod.

Other scrollable rulers allow you to scroll through the ruler but are useless for measuring anything longer than your device because the start of the ruler disappears off the screen as soon as you start to scroll meaning you have no point from which to start your measurement. Pocket ruler overcomes this by using a simple but effective system of stationary and scrolling points which allows you to keep an onscreen reference to the starting point.  

You can now change the ruler colour or effect as well as choose from inch only metric only or inch/metric ruler markings 

iPhone Screenshots

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Customer Reviews

Only accurate free ruler!

None of the others had place markers for when you have to scroll for measuring larger things. This one does. Also, out of the 5 other
Most popular ones, this is the
Most accurate down to the mm when compared to physical ruler.

Best Free Ruler

After downloading many free rulers and trying to find the best one, this one is by far the best. There is a little ad on the bottom but at least the ruler goes all the way to 12" Being able to change the color of the ruler is nice too. You never know when you'll need to measure something, so why not download it?

Not for iPhone 6

Only use this app if you have an older phone. This worked fine on my old 4S, but is completely inaccurate on my 6. (Not a 6 Plus – just a normal 6.)

Free Pocket Ruler
View in iTunes
  • Free
  • Category: Utilities
  • Released:
  • Version: 1.0
  • Size: 2.7 MB
  • Language: English
  • Seller:

Compatibility: Requires iOS 4.2 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

Current Version: