MeasureKit is described as 'Using Apple’s AR technologies, MeasureKit makes it really easy to measure different things in the world using your iPhone’s or iPad’s camera'. There are 2 alternatives to MeasureKit for iPad and iPhone. The best alternative is TapMeasure, which is free.
Meet TapMeasure, the spatial utility that combines computer vision and AR, creating a whole new way to capture and measure your space. TapMeasure is the fastest, smartest way to measure a physical space.
Measure Length, Area and Volume of any shape in the real world, using augmented reality. Point the camera on the floor or wall and tap on screen. Measure 3D Pro will instantly calculate the length and area. You can even convert any measurement to 3D and measure its volume.