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AprilTag

AprilTag

Fast visual-fiducial detection

9 ratings
4 reviews
🔧 Utilities
Free

Details

  • Released
  • Updated
  • November 20, 2013
  • March 31, 2019

Features

Developer

Edwin Olson
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AprilTag screenshot #1 for iPhone
AprilTag screenshot #2 for iPhone
iphone
ipad
⭐4
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📝2+ tags
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🔄6+ apps
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❓8 answered
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📦w/o updates
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About

This utility app detects 2D barcodes for robotics and augmented reality. It can function independently or send detected tag information to another device via UDP, transforming your iPhone into a robot tracking system.

✓Fast and accurate 2D barcode detection
✓Stand-alone detection mode
✓UDP broadcasting of detected tags
✓Robot tracking system functionality
✓Augmented reality applications
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What's New in AprilTag

3.0

March 31, 2019

* Numerous bug and reliability fixes * Updated to newest AprilTag detector, including new tag families.

User reviews

Most RecentHighest RatedLowest Rated

Camera intrinsics?

This is a very useful app, and I am able to capture the packets that it produces on UDP, however, it is not clear what to do with that data? The author doesn’t specify which resolution he uses, so calculating camera intrinsics becomes a guess work. Camera data for iPhone is well known, so it would be good to provide camera intrinsics inside the app.
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Chessmaster OneChessmaster One

Simply does not work.

The software is unable to identify tags under any conditions.
EonGamingEonGaming

I think it’s really cool and has good potential but...

How do we use udp, also how do we make it do autofocus?
nmicklatchernmicklatcher

Great concept but crashes

When I open the app on my iPhone X I just see a black screen. No camera input. Always crashes. Would love to see this working.
Christopher KaoChristopher Kao

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FAQ

What is AprilTag used for?

AprilTag is used for fast and accurate detection of 2D barcodes, primarily in robotics and augmented reality applications. It can function as a standalone detector or broadcast tag information to other machines.

Can AprilTag be used offline?

Yes, AprilTag can be used in stand-alone mode for detecting tags without needing an internet connection. It also offers UDP broadcasting for sending detected tag data to another machine.

What devices support AprilTag?

AprilTag is supported on iPhone, iPad, and iPod devices. It transforms these devices into a self-contained robot tracking system.

How often is AprilTag updated?

The latest version of AprilTag is 3.0, which was last updated on March 31, 2019. While it has not been updated recently, it remains a functional utility for its intended purpose.

What is the age rating for AprilTag?

AprilTag has an age rating of 4+. This indicates it is suitable for users aged 4 and above.

Does AprilTag have ads?

No, AprilTag does not contain advertisements. It is a free application with no in-app purchases or ads.

What is the user sentiment for AprilTag based on ratings?

AprilTag has an average rating of 3.6 stars from 9 ratings. This suggests a mixed but generally positive user reception for its functionality.

Is AprilTag suitable for beginners in robotics?

AprilTag is designed for robotics and AR applications, which can be complex fields. While it provides a turn-key tracking system, users may benefit from prior knowledge in these areas to fully leverage its capabilities.