iPhone Screenshots


The TPZ app provides a tree protection zone radius calculator to assist those involved in the care and management of urban trees when or where construction and development activities are proposed.

By inputting the stem diameter or stem circumference measurement, the calculation will then determine the TPZ radius - outlining the area required for protection of the root plate and tree crown.

Ratings and Reviews

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App Privacy

The developer, Brad Bowden, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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