Gas Price Apps
Save 20-50 cents/gallon. $200-500/year for most drivers.
GasBuddy
FREEThe biggest gas price tracker. Crowdsourced — drivers report prices in real time.
Most accurate.
Waze
FREENavigation app shows gas prices along your route. Owned by Google.
Best while driving.
Google Maps
FREESearch "gas near me" — Maps shows prices for stations on the map.
Already on your phone.
Costco app
FREE (membership $65/yr)Locates Costco gas stations. Often $0.20-0.40 cheaper than nearby competitors.
Best per-gallon savings.
Sam's Club app
FREE (membership $50/yr)Same idea as Costco. Members-only fuel pricing.
Cheap if you shop there anyway.
Upside
FREECash back app for gas (and groceries/restaurants). 10-25 cents/gallon back.
Stack with credit card cash back.
Exxon Mobil Rewards+
FREEBrand loyalty app. Earn points, redeem for free gas. 3-6 cents/gallon back.
If you fuel at Exxon often.
Stack savings
- Use GasBuddy to find the cheapest station on your route.
- Activate Upside offer for that station BEFORE pumping.
- Pay with a cash-back credit card (Costco Visa = 4% on gas, AmEx Blue Cash = 3%).
- Snap receipt in Upside after pumping for confirmation.
- Combined: 30-60 cents/gallon back. $300-600/year for typical commuter.
Quick tip
Gas is usually cheapest Monday and Tuesday mornings. Most expensive Thursday-Saturday. If you can fill up early in the week, you'll save without trying.