AI lawn care · for iPhone

A better lawn is
a better life.

Snap a photo and Big Grass Guy reads your lawn like an expert — what's thriving, what's struggling, and exactly what to do next, timed to your weather.

Coming Soon to the App Store See what it does

Free to download · Eco-first recommendations built in

An iPhone resting on freshly mown rye grass at golden hour, pastel sunset on the horizon
Your lawn expert lives where the work happens.

What it does

Point your camera at the problem.
Get an answer, not a rabbit hole.

No guesswork, no contradictory forum advice. A photo becomes a diagnosis, a score, and a plan.

01

AI Lawn Diagnosis

Snap a trouble spot and the AI identifies weeds, disease, and stress — with a conventional and an eco-friendly treatment for every issue.

02

Lawn Score & Mood

Every scan updates your lawn's health score and mood, so you can watch it trend from struggling to thriving over the season.

03

Weather-Smart Timing

Live local weather with an hourly forecast, so watering, feeding, and mowing land on the right day — not just the next free one.

04

Photo Journal

Track the glow-up with photos over time, including side-by-side before-and-afters that make the progress undeniable.

05

Smart Schedule

Upcoming tasks generated from your scans and season — the right job shows up at the right time without you planning anything.

06

Eco-First by Default

Recommendations lean organic and low-impact — better for soil life, pollinators, and the water that leaves your yard.

"The Sunday ritual, perfected."

Grow the lawn. Keep the ritual.

The Big Grass Guy app open on an iPhone lying on grass, showing a perfect 100 lawn score

The app

Everything your lawn is trying to tell you, on one screen.

  • Lawn Score. One number for overall health, tracked across the season.
  • AI scans. Diagnosis in seconds, with treatment plans you can actually follow.
  • Local weather. Hourly forecasts decide the best day for every task.
  • Journal & schedule. Photos, before-and-afters, and reminders that log themselves.
Diagnose your lawn instantly — AI spots weeds, disease and pests in seconds See the transformation — track your progress before and after Your whole lawn at a glance — health score, weather and smart tips Know exactly what to do — personalized, season-smart advice Your soil fingerprint — track pH, nutrients and organic matter Track every mow and feed — a photo journal of your lawn's story Never miss a task — smart reminders that log themselves

The bigger picture

A great lawn is worth more than it looks.

Healthy turf is an asset, an ecosystem, and honestly, a little bit of therapy.

A tree-lined street of healthy front lawns at golden hour

Property value

Well-kept landscaping is one of the highest-ROI improvements a homeowner can make — curb appeal shapes a home's value before a buyer steps inside.

A cross-section of living soil: dense roots and rich organic matter

Living soil

Dense, healthy turf builds organic matter and soil microbiology — sequestering carbon and feeding the life that turns dirt into an ecosystem.

Rain droplets held on green grass blades reflecting a pastel sky

Clean water

Healthy grass acts like a sponge and a filter — it absorbs stormwater and traps runoff before it reaches streams and lakes.

Bare feet standing on thick, dewy grass at sunrise

A clear head

A cared-for outdoor space is linked to lower stress and real pride of place. Tending something living — and watching it respond — is quietly powerful.

The deeper story lives at powerofgrass.com.

Big Grass Guy Pro

Go Pro when you're ready to get serious.

$4.99 / month

  • Unlimited AI lawn scans
  • Full scan history
  • Priority new features
Get the app first — it's free