85Blends vs DSFlex ECA
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
85Blends
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85Blends β Your E85 & Flex-Fuel Companion Whether youβre running a flex-fuel setup, mixing ethanol blends yourself, or just looking for your next E85 fill-up, 85Blends gives you the tools you need in one place. CALCULATE YOUR BLEND Quickly calculate how much E85 and gasoline to add to reach your target ethanol content. Enter your current fuel level, current ethanol percentage, target blend, and tank size β 85Blends handles the math. Use At The Pump for quick calculations while filling up, including partial fills and gas-only adjustments. FIND E85 NEARBY Discover nearby E85 stations using your location, browse station details, save favorites, get directions, and share stations with other drivers. Recent nearby stations can appear immediately when you reopen the app while fresh station data updates in the background. Community Pricing lets drivers submit and share current E85 prices to help keep station information useful for everyone. KEEP TRACK OF YOUR CAR Add your vehicle to Garage and keep important fuel and maintenance information organized. Track: β’ Fuel fill-ups and ethanol blends β’ Mileage and fuel history β’ Maintenance reminders β’ Vehicle fuel and tank information Cloud Sync helps keep supported app data available across your Apple devices and is included for both Free and Pro users. 85BLENDS PRO Upgrade to Pro for additional tools built for drivers who use E85 regularly: β’ Intelligent E85 Trip Planner β’ Interactive Stations map β’ Map or Classic Stations layouts β’ Unlimited Garage vehicles β’ Ad-free experience Trip Planner helps you plan longer drives around available E85 stations, estimate fuel stops, and open your preferred navigation app when youβre ready to drive. BUILT FOR E85 DRIVERS 85Blends is designed to make ethanol blending and E85 station discovery simpler without requiring an account. Whether youβre filling with straight E85, mixing an E30/E50/E70 blend, or keeping track of a flex-fuel vehicle, the tools you need are always close by. Location access is optional and used for nearby station features. Automatic Pump Detection is also optional and can be enabled separately. Support: support@85blends.app Privacy Policy: https://85blends.app/privacy.html 85Blends Pro is an optional auto-renewable subscription. Subscription features and availability may change as the app continues to improve.
DSFlex ECA
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DSFlex ECA is the official companion app for the DSFlex Ethanol Content Analyzer β a precision Bluetooth sensor that measures the real ethanol content and temperature of the fuel in your tank. Built for flex fuel tunes, E85 conversions, and anyone running a blend of gasoline and ethanol, DSFlex ECA gives you accurate, real-time readings so you can tune with confidence. FEATURES - Live ethanol content (%) and fuel temperature, streamed over Bluetooth from your DSFlex sensor. - Blend Calculator with two modes β Target Mix (hit a specific ethanol blend without topping off) and Fill Tank (top off completely using two fuels). - Customizable units β Fahrenheit or Celsius, liters or gallons. - Set your local pump gas ethanol percentage and default tank size for accurate calculations. - Clean, simple interface built for quick glances while working on your vehicle. DSFlex ECA is a measurement and information tool. It does not tune your engine or control any vehicle system β it gives you the accurate data you need to make your own tuning decisions. Requires a DSFlex Ethanol Content Analyzer sensor (sold separately).
Screenshots
Verdict
The clearest difference is in-app purchases: DSFlex ECA at none against 85Blends's 1. DSFlex ECA also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. 85Blends sells 1 in-app purchase, starting at $3.99 per month. DSFlex ECA asks for nothing beyond the download.
85Blends ships an update fortnightly, DSFlex ECA every 3 weeks. Both last shipped on October 31, 2026.
| Parameter | 85Blends | DSFlex ECA |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly β better | Every 3 weeks |
| Ads | Yes | No β better |
| In-app purchases | Yes | No β better |
| Devices | iPhone | iPhone, iPad β better |
| Requires iOS | 17.6 | 17.6 |
| Further details β not scored | ||
| Size | 24 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Julian Figueroa | Daviti Samakashvili |
In-app purchases
85Blends
- 85Blends Pro$3.991 Month
DSFlex ECA
No in-app purchases








