Comparison

Blackfin GPS vs 85Blends

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Blackfin GPS

Control a toy quadrocopter using Wi-Fi with real-time video streaming. Compatible with a range of iOS devices.

Highlights
  • Wi-Fi quadrocopter control
  • Real-time video transfer
  • iOS device compatibility
  • Toy drone operation
Features
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A toy quadrocopter control by wifi with video transfer real time. Support iOS 7 ,iOS 8, iOS 9,iOS 10,iPhone 5 ,iPhone 5c,iPhone 5s, iPhone 6, iPhone 6 plus, iPhone 6s, iPhone 6s plus,iPhone 7, iPhone 7 plus,iPhone 8, iPhone 8 plus.

About

85Blends

Features
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85Blends β€” Your E85 & Flex-Fuel Companion Whether you’re 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 you’re ready to drive. BUILT FOR E85 DRIVERS 85Blends is designed to make ethanol blending and E85 station discovery simpler without requiring an account. Whether you’re 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.

Screenshots

Blackfin GPS3 screens
85Blends4 screens

Verdict

The call

The clearest difference is in-app purchases: Blackfin GPS at none against 85Blends's 1. Blackfin GPS also leads on ads (none vs shown) and update cadence (every 4 days vs fortnightly). On price and device support 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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. 85Blends sells 1 in-app purchase, starting at $3.99 per month. Blackfin GPS asks for nothing beyond the download.

UpkeepUpdate frequency

Blackfin GPS ships an update every 4 days, 85Blends fortnightly. The most recent releases landed on November 12, 2026 and November 9, 2026 respectively.

Scorecard4 real differences Β· 4 level
Blackfin GPS versus 85Blends: the parameters behind the verdict, then further details
ParameterBlackfin GPS85Blends
PriceFreeFree
Positive reviews33.3% of reviewsβ€”
Update frequencyEvery 4 days β€” betterFortnightly
AdsNo β€” betterYes
In-app purchasesNo β€” betterYes
MonetizationFreeβ€”
DevicesiPhone, iPod β€” betteriPhone
Requires iOS7.0 β€” better17.6
Further details β€” not scored
Size170 MB24 MB
Age rating4+4+
DeveloperGuangdong Shiji Technology Co.,Ltd.Julian Figueroa

In-app purchases

None

Blackfin GPS

No in-app purchases

1 purchases

85Blends

Subscriptions1
  • 85Blends Pro$3.991 Month

Questions

Is Blackfin GPS free?
Blackfin GPS is free to download, with no in-app purchases.
Is 85Blends free?
85Blends is free to download, with in-app purchases available.
Do Blackfin GPS or 85Blends have ads?
85Blends shows ads; Blackfin GPS does not.
Which is updated more often, Blackfin GPS or 85Blends?
Blackfin GPS ships an update every 4 days, and 85Blends fortnightly. Most recently, Blackfin GPS was updated on November 12, 2026 and 85Blends on November 9, 2026.

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