Levelr – RV & Trailer Level

Level your RV, trailer, or fifth wheel in seconds — right from your iPhone and Apple Watch.
Levelr uses your phone's built-in sensors to show a real-time, precision bubble level for both pitch (front-to-back) and roll (side-to-side). The Apple Watch companion lets you see the live level reading on your wrist while you're outside at the jacks — no more walking back to check the screen. No external hardware. No Wi-Fi. No account. Just open it and level.
WHY RVers LOVE LEVELR
Getting your RV perfectly level isn't just about comfort — it affects your refrigerator, your slide-outs, and your sleep. Levelr gives you the precision and clarity to get it right every time, from the driver's seat or outside at the jacks.
REAL-TIME BUBBLE LEVEL
Watch a live bubble indicator respond instantly as your RV moves. The classic spirit-level look is designed to be read from 6 feet away while you're adjusting your jacks — big, bold, and unmistakable.
PITCH & ROLL AT A GLANCE
See both axes simultaneously: front-to-back tilt (pitch) and side-to-side tilt (roll), with live degree readouts precise to the tenth of a degree.
SMART DIRECTION GUIDANCE
Not sure which jack to move? Levelr tells you exactly what to do — "Lower front-left," "Raise rear-right" — based on your current tilt. No more guessing from afar.
COLOR-CODED STATUS

Green = you're level
Yellow = getting close
Red = needs adjustment

The moment you hit your target, you'll feel a satisfying haptic pulse and see the screen go green.
ADJUSTABLE TOLERANCE
Set your own precision threshold. Whether you need ±0.5°, ±1.0°, or ±2.0°, Levelr adapts to your standard. Perfect for everything from a quick overnight stop to a long-term site setup.
CALIBRATION
If your phone doesn't sit perfectly flat in your RV, just tap "Set as Level" to calibrate to your surface. Levelr saves the offset so it's always accurate for your setup.
APPLE WATCH COMPANION
The killer feature for solo RVers: see your live pitch, roll, and level status right on your wrist while you're outside cranking the jacks. No more running back to the phone to check. The Watch app shows the bubble, the degree readouts, and goes green the moment you're level — haptic tap included.
ALWAYS-ON MODE
Levelr keeps your screen awake while you work so you can glance at it from outside without the display timing out. Optional brightness boost for sunny days, flashlight toggle for nighttime setups.
PRIVACY-FIRST
Levelr has no account, no login, no ads, and no data collection. Everything stays on your device. We don't know you exist, and we think that's great.
DESIGNED FOR REAL CONDITIONS

Dark, low-light-friendly interface — easy to see at night
Monospaced degree readouts so numbers don't jump around
Apple Watch companion for hands-free wrist monitoring
Works completely offline

Levelr is built for RV owners, by people who've spent time leveling in gravel lots at midnight. It's the tool we wished we had.