Guesstimate

Measure anything. No guessing.

A tape measure, level, speedometer, location lookup and unit converter in one iPhone app. Pay once — no subscription, no ads.

Coming soon on theApp Store

iPhone app. Free to try every tool.

Every measuring tool, one app

LengthPoint the camera and tap + at each end. Chain segments to measure a run of walls, with a running total.

AreaTap the corners of a floor, wall, deck or rug for square footage and perimeter.

Level & anglesBubble level, angle finder on any edge, and compare two surfaces to read the angle between them.

LocationSatellite and 3D views, street-level Look Around, elevation, county and FEMA flood zone for any address — and measure roofs, yards and lots from above.

SpeedGPS speedometer with top speed, distance and trip time.

Photo estimateSize things in a photo next to a credit card, bill, sheet of paper or door.

Unit converter170+ units with search — temperature, pressure, energy, heat flux, R-value, roof pitch and more.

Save & exportName measurements, add notes, and export a PDF or spreadsheet.

Private by designNo account, no ads, no tracking. Your measurements stay on your iPhone.

Plans

Free

A taste of every tool
3 tries a day
Short Speed and Level sessions

Pro Pay once

$4.99 once

One-time purchase. No subscription. Family Sharing.

Unlimited use of every tool
Area, chained lengths and map measuring
Trip stats, angle finder and surface compare
Every photo reference and calculator
Saved measurements, PDF and CSV export

Price in USD; your local App Store price may differ.

MADE IN USA

Your measurements stay on your phone

Guesstimate is built and supported by Bayou Browns LLC in Niceville, Florida. It has no account and no servers that store your data — no ads, no tracking, nothing to sell.