About Rota Ruler

Rota Ruler is designed to provide a way of measuring using your iPhone or iPad when a tape measure is not available.

As long as you can accurately rotate your device without slipping the measurements are millimetre accurate. Although please don't use this app for measurements where exact accuracy is essential as it can result in small errors based on the method used.

Over time you will become even more accurate when using Rota Ruler, so always have it installed on your device! You don't know when you will next need it!

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