What to look for in a caravan levelling app
A caravan has a more complex setup sequence than a motorhome. You need to correct side lean while still hitched (so the tow vehicle can drive onto ramps), then unhitch, then correct pitch with the jockey wheel. An app that just shows you an angle reading misses most of this — it's solving one part of a five-step problem.
Beyond the basics, here's what actually matters for Australian caravanners:
- Offline operation — most free camping sites in Australia have no mobile signal. An app that needs connectivity at the campsite is useless when you need it most.
- Guided sequence — the correct order matters. Side level first (hitched), then unhitch, then jockey wheel. An app that guides you through this prevents the most common setup mistakes.
- Jockey wheel calculation — knowing your pitch angle is only half the job. You need to know how many millimetres to wind the jockey wheel to correct it.
- Ramp block count — converting degrees of lean to a ramp step count requires knowing your track width and your specific ramp brand's step height.
- Tandem axle awareness — tandem axle caravans need two ramp pieces per low side, not one. An app that doesn't flag this creates an unsafe setup.
- No App Store friction — being able to open the app in a browser without an App Store download matters at the campsite when you're in a hurry.
The apps worth knowing about
Free · Pro $9.99 AUD once · iPhone & Android · No App Store · 100% offline
OzLevel Caravan is a Progressive Web App built specifically for the Australian caravan levelling workflow. It reads your phone's accelerometer to measure exact roll and pitch, then guides you through every step in the correct sequence — survey while hitched, drive onto ramps for roll correction, unhitch prompt, then exact millimetres of jockey wheel travel for pitch correction.
The free tier gives you real-time roll and pitch readings with millimetre rise calculations. Pro adds the ramp block calculator for your specific ramp brand, hands-free audio guidance, tandem axle advisory, and the full five-phase guided wizard. One payment of $9.99 AUD — no subscription, no annual fee.
What's good
- Full guided setup sequence
- Exact jockey wheel mm calculation
- Tandem axle advisory
- 100% offline — works anywhere
- iPhone and Android
- No App Store download
- Ramp block calculator (Pro)
- Hands-free audio mode (Pro)
- Australian-made and supported
Worth knowing
- Full wizard and ramp calculator require Pro
- Browser-based — add to home screen for best experience
Free / Paid · iOS & Android · App Store required
A well-established levelling app in the Australian RV community. Shows degree readings and colour-coded level indicators with basic audio feedback. Does the job as a simple lean indicator — tell you which way you're tilted and by how much. What it doesn't do is guide you through the caravan-specific setup sequence or calculate jockey wheel travel. You still need to translate the angle reading into action yourself.
What's good
- Established, well-reviewed
- Simple, clean interface
- iOS and Android
- Basic audio feedback
Worth knowing
- No guided setup sequence
- No jockey wheel calculation
- No ramp block calculator
- No tandem axle advisory
- App Store download required
Free / Pro · Primarily iOS · App Store required
Designed for a two-device setup — one phone left in the van, another used by the driver or a spotter outside. For caravans, the remote concept has some logic: the tow vehicle driver can't easily see inside the van while driving onto ramps. However, the remote feature requires a Pro subscription and a second device. OzLevel Pro's audio assist solves the same problem without needing a second phone — a rising tone tells you when you've reached level.
What's good
- Remote display on second device
- Apple Watch support
- Useful for two-person setup
Worth knowing
- Primarily iOS — limited Android
- Remote feature requires subscription
- No guided caravan sequence
- No jockey wheel calculation
- Two devices needed for key feature
Free · Various · App Store required
The App Store and Google Play have dozens of spirit level apps built for tradies and builders — not caravanners. They'll show you a degree reading or a bubble graphic. That's where they stop. No sequence guidance, no jockey wheel calculation, no ramp block count, no offline-first design, no awareness of the caravan setup process. Useful if you already know your setup well enough to act on a raw angle reading — not the right tool for most caravanners.
What's good
- Free and widely available
- Simple angle reading
Worth knowing
- No caravan context or guidance
- Degrees only — no mm conversion
- No jockey wheel or ramp calculator
- Not designed for offline use
Feature comparison
| Feature | OzLevel Caravan | Caravan Leveller | Level Remote | Generic apps |
|---|---|---|---|---|
| Caravan-specific guided sequence | ✓ | ✗ | ✗ | ✗ |
| Jockey wheel mm calculation | ✓ | ✗ | ✗ | ✗ |
| Ramp block calculator | ✓ Pro | ✗ | ✗ | ✗ |
| Tandem axle advisory | ✓ | ✗ | ✗ | ✗ |
| 100% offline | ✓ | ~ | ~ | ~ |
| No App Store required | ✓ | ✗ | ✗ | ✗ |
| iPhone and Android | ✓ | ✓ | iOS primary | ✓ |
| Hands-free audio guidance | ✓ Pro | Basic beeps | ✗ | ✗ |
| Remote second-device display | ✗ | ✗ | ✓ Pro | ✗ |
| Australian-made | ✓ | ✗ | ✗ | ✗ |
| Cost | Free · Pro $9.99 once | Free / Paid | Free / Subscription | Free |
Why offline matters for Australian caravanners
A large proportion of Australian caravanning happens at free camp sites — national parks, state forests, roadside stops, stations — where mobile coverage is unreliable or absent. An app that requires a signal at the campsite fails you exactly when you need it most.
OzLevel Caravan is a Progressive Web App. After the first load on any device with internet access, the entire app — including the guided wizard, all calculations, and your saved settings — is stored on your phone. Drive into the middle of nowhere, pull up at your site, open the browser: it loads instantly, completely offline.
Are phone apps actually accurate enough?
This comes up every time someone mentions using a phone instead of a dedicated sensor. The answer is yes — comfortably — for a caravan on a campsite.
Your phone's accelerometer measures gravity. On a stationary vehicle, that's a static reading with no motion, no vibration, nothing to cause drift. The sensor drift concern that hardware vendors raise applies to dynamic applications — navigation, motion tracking — not a parked caravan.
Most caravan fridges and appliances are rated to operate correctly within ±3° of level. A modern smartphone achieves better than 0.5° accuracy on a static reading. That's six times more precise than you actually need. A $500 phone is not the weak link in your levelling setup.
Do you need the Pro upgrade?
The free tier of OzLevel Caravan gives you real-time pitch and roll readings with millimetre rise calculations. That's more than any competing app provides at any price. For experienced caravanners who already know their ramp brand's step heights and are comfortable with the setup sequence, the free tier may be all you need.
Pro adds the full five-phase guided wizard, the ramp block calculator configured for your specific ramp brand, hands-free audio assist (the feature that makes solo levelling genuinely solo), and the tandem axle advisory. At $9.99 AUD once — no subscription — it's a straightforward decision.
The verdict
For Australian caravanners, OzLevel Caravan is the clear choice. It's the only app in this comparison built specifically for the caravan setup workflow — guided sequence, jockey wheel calculation, tandem axle awareness, offline-first, no App Store friction. The free tier outperforms every competitor on raw features. Pro is the best $9.99 you'll spend on your rig this year.
The other apps are not bad — Caravan Leveller is a perfectly competent lean indicator, and Caravan Level Remote solves a real problem for two-person setups. But neither guides you through the full caravan setup sequence or tells you how many millimetres to wind the jockey wheel. For that, there's OzLevel.
Frequently asked questions
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What is the best free caravan levelling app in Australia?
OzLevel Caravan. It's the only app that guides you through the complete caravan setup sequence with exact measurements at each step — ramp blocks for roll correction and millimetres of jockey wheel travel for pitch. Works offline, no App Store required, iPhone and Android.
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Do caravan levelling apps work without internet?
OzLevel Caravan works 100% offline after the first load. Most App Store levelling apps work offline for basic readings, but may require connectivity for updates or account features. For free camping in remote Australia, OzLevel's offline-first design is a practical advantage.
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Is a phone accurate enough to level a caravan?
Yes — comfortably. Modern smartphones achieve better than 0.5° accuracy on a static reading. Most caravan appliances operate correctly within ±3° of level. Your phone is six times more precise than you actually need.
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Do I need a Bluetooth sensor like SavvyLevel for my caravan?
No. A dedicated Bluetooth sensor costs $190–$350+ AUD and requires permanent installation on the chassis. OzLevel Caravan uses the accelerometer already in your phone to achieve the same accuracy — at zero hardware cost. The sensor in a modern smartphone is more than capable of the 0.5°–3° measurements needed for caravan levelling.