Height Measure - TrueTall

Height Measure - TrueTall turns your iPhone into a real tape measure. Measure the height of any person or object in seconds, in cm or feet and inches.

TrueTall takes an actual geometric measurement of the world in front of you using ARKit and LiDAR, not a photo estimate, not an AI guess. Aim the reticle at one end and tap. Aim at the other and tap. That's your height.

No tape, no second pair of hands, no pencil marks on the door frame.

MEASURE PEOPLE

• Measure your own height or anyone else's in seconds
• Heights snap to true vertical, so a height is a True height
• Perfect for a quick, accurate body height check anytime

MEASURE OBJECTS

• A doorway, a shelf, a sofa, a plant, a parcel, a ceiling
• Spans snap flat for widths and depths, or measure free-form on any diagonal
• Every measurement stays pinned in 3D exactly where you dropped it, so you can walk around and measure a whole room without starting over

BUILT FOR ACCURACY

• Full ARKit world tracking maps the room in real 3D as you move
• On LiDAR iPhones, scene depth places points on surfaces plane detection misses, box corners, clutter, fabric
• Live feature points show you the phone has really mapped a surface before you trust the number
• A confidence score on every measurement
• A calibration offset in Settings to fine-tune against a known reference

TRACK GROWTH OVER TIME

• Save a profile for each person with a photo and birth date
• Every height lands on their growth chart automatically
• Full history with a photo of each measurement, so you can see changes over time
• Tap any past reading to revisit the exact number, date and confidence
• A height tracker and growth comparison for everyone, in one place

MADE FOR iPHONE

• Native, fast and beautiful, dark-first design with a real tape-measure feel
• Switch between cm, meters, feet and inches anytime
• Torch for dim rooms, haptic feedback, one-tap save
• No account, no cloud, no uploads, everything stays on your device

WHY TRUETALL

Most height apps guess from a photo. TrueTall measures. Real 3D geometry, a confidence score you can check, and a calibration you can tune, so the number you get is the true measurement, every time.

Requires an AR capable iPhone (A12 Bionic or newer). LiDAR models get extra precision on tricky surfaces. Best results in good lighting, holding the phone steady.

SUBSCRIPTIONS

• Yearly Subscription: $29.99 USD with a 3-day free trial (auto-renewable)
• Monthly Subscription: $9.99 USD with a 3-day free trial (auto-renewable)

Prices may vary by region. Your subscription will automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Subscriptions can be managed, and auto-renewal can be turned off by going to your Account Settings after purchase.

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