Comparison

Fuel vs SpecScan VIN Decoder

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

Head to head
About

Fuel

Monitor your vehicle's ethanol concentration and fuel temperature in real-time. This app wirelessly connects to a compatible Bluetooth module, freeing up your device's port for simultaneous charging and monitoring. It includes an ethanol fill-up concentration calculator and customizable display views.

Highlights
  • Real-time ethanol concentration monitoring
  • Real-time fuel temperature monitoring
  • Wireless Bluetooth connectivity
  • Ethanol fill-up concentration calculator
  • Fahrenheit or Celsius display options
  • Two display views
Features
Read full description

***Note that this app requires a custom Bluetooth module to function. Info on the module can be found here: https://fuel-it.com/products/fuel-it-bluetooth-flex-fuel-analyzer The Fuel-It ECA gives you realtime feedback from your Continental Ethanol sensor. Wireless communication frees up your device's port so you can monitor and charge at the same time. Features: Ethanol concentration monitoring Fuel temperature monitoring 2 Display Views Fuel temperature display in Fahrenheit or Celsius Ethanol fill-up concentration calculator

About

SpecScan VIN Decoder

Instantly determine a car's real market value using its VIN. Decode year, make, model, and factory options, then compare against live dealer listings. Ideal for buyers, sellers, enthusiasts, and dealers.

Highlights
  • Real market value with confidence rating
  • Comparable listings with prices and links
  • Deal analysis and offer price suggestions
  • Factory options decoded from VIN
  • Buyer guidance and negotiation tips
  • VIN scanning via door-jamb barcode
Features
Read full description

SpecScan tells you what a car is actually worth — instantly, from its VIN, priced against the live market instead of generic book values. Enter any VIN (or scan the door-jamb barcode) and SpecScan decodes the exact year, make, model, trim, and factory options, then values it against real dealer listings for the same car — the way a seasoned dealer prices inventory. Built by an exotic and performance car dealer, SpecScan is tuned for the vehicles mainstream valuation tools get wrong: Porsche, Ferrari, Lamborghini, McLaren, Corvette, Shelby and other performance and collector cars, where options, mileage, and trim can swing value by tens of thousands of dollars. WHAT YOU GET • Real market value with a confidence-rated price range • Comparable listings — actual cars for sale now, with prices, mileage, and links • Deal analysis — enter an asking price and see if it's a good, fair, or over-market deal • What to offer — accept / target / aggressive price points, plus a red-flag "too cheap" line • Options that matter — factory options decoded from the VIN, with resale impact • Buyer guidance — mileage context, history checks, and negotiation tips WHO IT'S FOR • Buyers who don't want to overpay • Sellers pricing a car to move • Enthusiasts and collectors tracking what their car is worth • Dealers sizing up trades and acquisitions Free to download, with complimentary scans every month. Questions or feedback? support@specscan.net — Terms of Use: https://specscan.net/terms Privacy Policy: https://specscan.net/privacy

Screenshots

Fuel3 screens
SpecScan VIN Decoder4 screens

Verdict

The call

The clearest difference is rating: SpecScan VIN Decoder at 5.0 against Fuel's 3.1. SpecScan VIN Decoder also leads on update cadence (every 5 days vs every 10 months). Fuel's advantage is in-app purchases (none vs 3) and ratings volume (33 vs 1). On price, ads, monetization model and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SpecScan VIN Decoder sells 3 in-app purchases, starting at $19.99 per month. Fuel asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

SpecScan VIN Decoder holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Fuel has 33 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Fuel ships an update every 10 months, SpecScan VIN Decoder every 5 days. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

Scorecard5 real differences · 5 level
Fuel versus SpecScan VIN Decoder: the parameters behind the verdict, then further details
ParameterFuelSpecScan VIN Decoder
PriceFreeFree
Rating3.1 (33 ratings)5.0 (1 ratings) — better
Positive reviews50.0% of reviews—
Number of ratings33 — better1
Update frequencyEvery 10 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.4 — better15.5
Further details — not scored
Size20 MB42 MB
Age rating4+4+
DeveloperDmac Mobile Developments, LLCSpecScan LLC

Customer experience

Fuel

All ratings33 ratings
Positive48.5%
Neutral12.1%
Negative39.4%
Written reviews26 reviews
Positive50.0%
Neutral15.4%
Negative34.6%

SpecScan VIN Decoder

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Fuel

No in-app purchases

3 purchases

SpecScan VIN Decoder

Subscriptions3
  • SpecScan Starter$19.991 Month
  • SpecScan Pro$49.991 Month
  • SpecScan Ultimate$99.991 Month

Questions

Is Fuel free?
Fuel is free to download, with no in-app purchases.
Is SpecScan VIN Decoder free?
SpecScan VIN Decoder is free to download, with in-app purchases available.
Which has better reviews, Fuel or SpecScan VIN Decoder?
SpecScan VIN Decoder is rated higher. Fuel averages 3.1 out of 5 from 33 ratings, while SpecScan VIN Decoder averages 5.0 from 1 ratings.
Do Fuel or SpecScan VIN Decoder have ads?
Neither Fuel nor SpecScan VIN Decoder shows ads.
Which is updated more often, Fuel or SpecScan VIN Decoder?
Fuel ships an update every 10 months, and SpecScan VIN Decoder every 5 days. Most recently, Fuel was updated on October 6, 2026 and SpecScan VIN Decoder on October 4, 2026.

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