Weight & dimension scanner for iPhone

Point it. Shoot it. Know it.

Point your camera at any object and get an honest weight and size estimate in seconds, shown as a range, never a fake-precise number. Works offline for measuring.

Download on theApp StoreSee how it works
Scan to estimate
Cardboard box
Center the object in frame
g
Scan

ESTIMATE

Cardboard Box

Package · corrugated
LiDAR volume + material sanity check
≈ 340 g310–370 g
1Object identifiedCardboard box
2Volume from LiDAR mesh≈ 4,900 cm³
3Density applied · corrugated0.06–0.08 g/cm³
Save to history
Range
Always low–high, never a bare number
7
Object categories, food to furniture
Offline
Dimension capture needs no signal
3/day
Free scans, no card required

How it works

From photo to an honest number.

Silver ring
g
1

Scan any object

Point your camera at whatever you're holding and snap. Works on food, packages, jewelry, furniture, and more.

ESTIMATE

Silver Ring

≈ 4.2 g3.8–4.6 g
1Identified as sterling silverAI + LiDAR
2Volume × density applied10.3 g/cm³
2

Get a weight & size range

A vision model estimates the object and material, then returns an honest low–high range, not a fake-precise number.

OFFLINE · LIDAR

No signal≈ 340 g
3

Refine with LiDAR, offline

On Pro-capable iPhones, tap a material and get an instant weight from measured volume, no network required.

Ranges, not guesses

Every estimate is a range.

A single "precise" number is a lie a camera can't back up. gramscale always shows a low–high range and labels its confidence, and it tells you when the number came from the vision model, from LiDAR plus a material you picked, or is still pending because you're offline.

ESTIMATE

≈ 340 g310–370 g
RangeConfidence: high

Source: LiDAR + material

No network required

No signal

Dimensions captured offline

Length18.4 cm
Width12.1 cm
Height9.6 cm
LiDAR meshARKit raycastPick a material for weight

Offline & LiDAR

Measuring never needs a signal.

Length and dimension capture run entirely on-device with ARKit, LiDAR-accurate on supported iPhones, with a graceful plane-detection fallback on the rest. Every scan saves locally first; if a weight needs the vision model and you're offline, it queues and refines automatically the moment you're back online.

Pro

Weigh a whole batch in one session.

Scan objects one after another and gramscale keeps a running total and count as you go, up to 20 items per session, then export the summary. Free accounts get 3 single scans a day; Pro removes the daily limit and unlocks batch mode.

Running totalUp to 20 itemsShareable summaryCross-device history

Coverage

One estimator, every kind of object.

gramscale doesn't refuse a category outside its name. Point it at food, jewelry, a shipped package, furniture, decor, or a tool, and it estimates all of them.

Food≈ 220 g
Jewelry≈ 4.2 g
Package≈ 1.8 kg
Furniture≈ 22 kg
Decor≈ 650 g
Tool≈ 310 g

Know what it weighs, before you do.

3 free scans a day, no card required. Upgrade for unlimited scans and batch weighing.

Download on theApp Store