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Tape Measure (Privacy Friendly)

(SECUSO) Measure the size of objects in pictures with a reference object size
Privacy Friendly Tape Measure can measure the size of objects in pictures based on objects of known sizes (e.g. coins) in the same picture. Just find a coin or other reference object of a known size, put it next to the item you want measured and take a picture. Make sure all objects are in the same level and the picture is taken perpendicularly to it. Now you can mark the reference object in the picture and measure any length or area you want!

Privacy Friendly Tape Measure belongs to the Privacy Friendly Apps group developed by the research group SECUSO at Karlsruhe Institute of Technology. More information can be found an https://secuso.org/pfa

Privacy Friendly Tape Measure can also display rulers or a protractor on the screen. Use this to quickly measure small objects or to cut a pizza in six equal slices. Yum!

What makes Privacy Friendly Tape Measure different from other similar apps?

1. Fewer permissions
Privacy Friendly Tape Measure uses only the Read External Storage permission. It needs it because most pictures on your phone are located on the SD-card as opposed to the internal phone memory.

2. No advertisement
Many other free apps in the Google Play Store dazzle you with annoying advertisements which also shorten battery life.


Feel free to contact us via:
Twitter - @SECUSOResearch https://twitter.com/secusoresearch
Mastodon - @SECUSO_Research@bawü.social https://xn--baw-joa.social/@SECUSO_Research/
Job opening - https://secuso.aifb.kit.edu/english/Job_Offers_1557.php
  • app screenshot
  • app screenshot
  • app screenshot

Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 1.1.1 (5) suggested Added on Oct 20, 2024

    This version requires Android 5.0 or newer.

    It is built by F-Droid and guaranteed to correspond to this source tarball.

    Permissions
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
      (12L)
    • org.secuso.privacyfriendlytapemeasure.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 6.1 MiB PGP Signature | Build Log

  • Version 1.1 (4) - Added on Oct 08, 2023

    This version requires Android 5.0 or newer.

    It is built by F-Droid and guaranteed to correspond to this source tarball.

    Permissions
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.

    Download APK 4.4 MiB PGP Signature | Build Log

  • Version 1.0.3 (3) - Added on Jan 15, 2019

    This version requires Android 5.0 or newer.

    It is built by F-Droid and guaranteed to correspond to this source tarball.

    Permissions
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.

    Download APK 2.2 MiB PGP Signature | Build Log