STOP GUESSING.
START CHARGING.

Most portable setups waste power to guesswork — wrong angle, wrong time, wrong conditions. Solar Spotter gives you the visibility to get more from every hour of sun.

App Store Google Play See how it works ↓
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~25%
Power lost to poor panel alignment
24/7
Works offline — no signal needed
1×
One-time Pro purchase · No subscription

How it works

SEE MORE.
CHARGE SMARTER.

Everything below is free — no account, no signal, no catch. Three steps to getting more from your solar setup at any campsite, anywhere on Earth.

01

Check Your Conditions

Open the app and instantly see today's solar conditions — efficiency rating, cloud cover, and temperature. Know what kind of solar day you're working with before you unpack a thing.

02

Align Your Panels

The live solar compass shows the optimal direction and tilt angle for your location right now, and for the next 3 and 6 hours. Set up for the hours you actually want to charge — now, +3hr, or +6hr.

03

See The Full Day

The sun path chart maps today's full solar arc — sunrise to sunset — with peak solar hours marked. You'll know when the sun's at its strongest, when to set up, and when to call it a day.

Compass demo
video here

compass-demo.mp4

Features

EVERYTHING YOUR SETUP NEEDS

Built from the ground up for off-grid 4WDs, tourers, vanlifers, and anyone who relies on portable solar. Every feature earns its place.

Solar Compass

Real-time direction, altitude, and optimal tilt for your location. See the best direction now, in 3 hours, and in 6 hours — so you're always set up for what's coming next.

Free

Solar Conditions

Efficiency rating, cloud cover, temperature, and a 3-hour weather snapshot. Get a read on conditions before you set up.

Free

Sun Path & Peak Hours

Full-day sun path chart from sunrise to sunset. See when solar intensity peaks at your location so you know when your panels will be working hardest.

Free

Estimated Output

Solar Spotter works out the power your panels actually deliver to your battery in today's conditions, matched to your panel size and battery type. Add your charge % and system draw to see live charge in, draw out, and where you'll land by sunset and through to sunrise. Updates every 15 minutes.

Pro

Smart Charge Planning

Set a charge duration, a custom time window, or let the app find the best charging window — updates as the day progresses.

Pro

AR Panel Alignment

Visual overlay mode shows where your panels need to go. Panel mode guides you to the exact angle with real-time audio and haptic feedback. Precision every time.

Pro
SOLARPRO
SPOTTERCharge smarter Not longer

THE FULL PICTURE.
FOR YOUR ACTUAL SETUP.

The free app gives you the sun's position and today's conditions. Pro goes further — estimated output for your actual panels, weather-optimised charge planning, and precision AR alignment. One price, forever.

★ NEW BETA

BATTERY BLUETOOTH

Skip the guesswork on what's in the bank. Solar Spotter reads your battery's built-in monitor over Bluetooth. The app sees what's pushing in — solar, your DC-DC, or both — and what your fridge or other gear is pulling back out. The sundown battery % projection and sunrise check stay honest whether you're driving in or parked up. Built for batteries that use a JBD or JK monitor (BMS) — like LiTime, Fogstar, iTechworld, Power Queen, Photonic Universe, KickAss and Supervolt. Confirmed on iTechworld; we're verifying more.

On-device only
Running a different battery? Tell us yours →

Visibility

See What Your Setup Can Deliver

Pop in your panel and battery specs — Solar Spotter works out the power your panels actually deliver to your battery in today's conditions, matched to your panel size and battery type. Add your current charge % and what your gear's drawing to see the charge going in from solar, what your electrics are pulling back out, and where that leaves you by sunset and through to sunrise. Updates every 15 minutes.

Power output matched to your panels + battery type Live charge in from solar, draw out from electrics Daily tracker — sunset + sunrise check Hyperlocal 15-min weather updates

Planning

Know When To Charge

The Best Charging Window updates as the day progresses, factoring in weather and remaining daylight. Set a duration, pick a custom window, or let the app find it — it stays relevant no matter when you open it.

Rolling Best Charging Window (BCW) Custom time window or duration mode Weather-optimised recommendations Rolling 3-day solar outlook

Precision

Guided To The Degree

AR Overlay shows a ghost of where your panels need to be for your charge window. Then Panel Mode uses your phone flat on the panel for degree-level alignment with live audio and haptic feedback. It'll tell you when you've nailed it.

AR camera overlay for visual alignment Panel mode for precision adjustment Audio and haptic confirmation cues Align for now, 3hr, 6hr, or planned charge

Trip Planner

Solar At Every Stop

Plan a multi-stop trip and see the solar forecasts at every location, day by day. When you're back, rate the trip and leave personal notes for each spot — highlights, lowlights, and the little details future you will want to remember. All trip data stays on your device.

Solar forecasts at every stop on your trip Apple Maps / Google Maps handoff Rate trips on archive with highlights + lowlights Personal notes per stop — for future you

CHARGE SMARTER.
NOT LONGER.

Everything in the free app, plus the Pro tools that turn raw sun data into a plan you can trust.

Solar Spotter Pro

Know what your solar
will really deliver

At your exact spot
For your actual conditions

One-time purchase No subscription Works offline Nothing leaves your phone
Everything in Pro — one price
  • Estimated Output & Charge Rate
  • Daily Battery Tracker (sunset + sunrise)
  • Battery Bluetooth (BETA)
  • Panel & Battery Profiles
  • Best Charging Window (BCW)
  • Smart Charge Planning
  • AR Panel Alignment
  • Hyperlocal Weather (15-min)
  • Trip Planner — Multi-Stop Forecasts
  • Bush Bash Offline Mode

Free to try — Pro unlocks inside the app · price shown in your currency

Built for the community

"A SOLAR TOOL THAT JUST WORKS.
FREE TO DOWNLOAD. USEFUL FROM DAY ONE."
— No ads. No tracking. No subscription. No strings.

The free app gives you a real-time solar compass, optimal panel tilt, solar conditions, and the full day's sun path — no account, no signal, no strings.

Pro unlocks estimated output for your actual setup, weather-optimised charge planning, and precision AR alignment. One-time purchase. Use it forever — even in the middle of nowhere.

Download for iPhone Download for Android