Best apps like DEF Search

6+ similar apps compared and reviewed

4.7 avg rating
6 free apps
Updated October 2026

Whether you want more options like DEF Search or a completely different take on the same concept, our curated list of 6+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to DEF Search

Greenlane - Fuel Smarter#1
4.7😊(1.4K ratings)
FreeAds
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This app provides significant discounts on diesel, DEF, and reefer fuel for truckers and fleet owners. Members can save an average of 70Β’ per gallon at thousands of participating locations nationwide. It also offers a rewards program where every gallon earns points for even deeper savings.

What We Love

  • πŸš€ Easy to use
  • πŸ’° Great discounts
  • πŸ›’ Plenty of locations
  • πŸ‘ Excellent customer service
  • πŸ’³ Ability to use credit card
  • πŸ™Œ Awesome fuel savings

Room to Improve

  • ⏱️ Slow wallet funding
  • πŸ’³ 2% credit card fee
  • πŸ€” Confusing at first
  • πŸ€” Inconsistent pricing
  • πŸ€” Deceptive practices
10-4 by WEX#2

10-4 by WEX by WEX, Inc.

Diesel savings for truckers
4.8(4.1K ratings)
Free
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This app helps truckers find and pay less for diesel fuel nationwide. It provides a fuel map with discounts at popular truck stops and allows secure payment directly through the app. Users can track their purchases, rewards, and savings.

Fuelbook#3

Fuelbook by Fuelbook LLC

Truck Stop Diesel Prices
Worth Considering
πŸ—ΊοΈ Navigation
4.8😞(1.2K ratings)
Free
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Find nationwide truck stop diesel prices to save money on fuel. Access over 5000 truck stop locations with up-to-date pricing information. A trusted resource for professional drivers since 2010.

What We Love

  • πŸ’° Helps save money on fuel
  • πŸ—ΊοΈ Useful route planning and fuel stop search
  • ⭐ Overall great app when it works

Room to Improve

  • πŸ› Frequent bugs and glitches
  • πŸ”„ Unreliable and inconsistent performance
  • πŸ“ Inaccurate or missing fuel stop information
  • πŸ” Poor search functionality and results