Features

Everything you need to run E85 smarter.

From blend calculations to station discovery, trip planning, fuel logs, and reminders — 85Blends brings the tools E85 and flex-fuel drivers need into one iPhone app.

Download on the App Store
Why 85Blends

One app. Everything E85.

85Blends brings together the tools E85 and flex-fuel drivers need into one simple iPhone app.

Calculate blends
Find stations
Plan trips
Track fuel
Manage maintenance
Sync your vehicles

Whether you're daily driving a flex-fuel vehicle, building a performance car, or just learning about ethanol, 85Blends helps make E85 easier to use.

Blend Calculator

Hit your target ethanol — every fill-up.

Enter your tank size, current ethanol level, and target blend. 85Blends instantly calculates exactly how many gallons of E85 and regular gas to add.

  • Supports E20, E30, E50, E60, E85, or any custom target
  • Works with any flex-fuel tank size
  • Accounts for what's already in your tank
  • Instant results — no internet required
Download on the App Store
85Blends Blend Calculator
At The Pump

Already have fuel in the tank?

85Blends calculates exactly how much E85 and gasoline to add to reach your target blend — no guesswork, no rounding, no partial-fill confusion.

  • Exact gallons to add for any partial fill
  • Impossible blend detection and warnings
  • Works with any current ethanol level
  • Supports any tank size
Download on the App Store
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Exact gallonsPartial fillsBlend warningsAny tank size
Station Finder

Find E85 near you, fast.

Browse nearby E85 stations on a live map, check community-updated prices, and save your favorite locations for quick access.

  • Live map with nearby E85 stations
  • Community-updated fuel prices
  • Save and revisit favorite stations
  • Station details and distance information
Download on the App Store
85Blends Station Finder
Trip Planner Pro

Never get stranded on E85.

Plan road trips with range estimates, required fuel stops, arrival reserve targets, and E85 station recommendations along your route.

  • Estimated driving range on your current blend
  • Required fuel stops along the route
  • Arrival reserve targets
  • Route risk indicators
  • E85 station recommendations
Download on the App Store
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Range estimateFuel stopsArrival reserveRoute riskE85 stations
Vehicle Garage

All your vehicles, organized.

Store vehicle profiles with tank size, octane targets, odometer, and preferred ethanol levels — ready when you fuel up.

  • Multiple vehicle profiles
  • Per-vehicle ethanol targets
  • Tank size and octane stored
  • Odometer and service tracking
Download on the App Store
85Blends Vehicle Garage
Fuel Log

Track every fill-up, effortlessly.

Log fill-ups with ethanol mix, gallons, price, and mileage. Get a running view of your fuel cost and MPG over time.

  • Log ethanol blend and gallons per fill-up
  • Track fuel cost and price per gallon
  • Monitor MPG and mileage over time
  • View history across all vehicles
Download on the App Store
85Blends Fuel Log
Reminders

Never miss a service interval.

Set mileage or date-based reminders for oil changes, spark plugs, or any recurring vehicle maintenance task.

  • Mileage and date-based triggers
  • Custom reminder labels and notes
  • Per-vehicle service tracking
  • Upcoming reminder summaries
Download on the App Store
85Blends Reminders
Pricing

Free vs Pro

Start free. Upgrade for advanced tools.

FeatureFreePro
Blend Calculator✓✓
At The Pump✓✓
Station Finder✓✓
Fuel Log✓✓
Unlimited Vehicles—✓
Cloud Sync—✓
Trip Planner—✓
Price Alerts—✓
Download on the App Store