Comparison

Calculator· 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

Calculator·

This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.

Highlights
  • Basic arithmetic operations
  • Percentage calculations
  • Multiple color schemes
  • Copy results
  • Square, square root, inverse functions
  • iPad Split View support
  • Apple Watch support
Features
Read full description

A truly no-frills calculator with the perfect blend of features and simplicity. Tired of getting lost in features you don’t use, but wish you had just a few more? Try Calculator· today! Features: • The essentials—add, subtract, multiply, divide, percent • Multiple color schemes • Copy your result (double tap result to copy) • Square, square root, and inverse functions on iPad landscape • Split View for iPad so you can run two apps at once • Apple Watch Support This app contains auto-renewable subscriptions: • Premium Access • 1 month and 1 year durations available​ Limit one free trial per user. Charged through your iTunes account at confirmation of purchase. Your account will be charged within 24-hours prior to the end of the current period. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. You can manage your subscriptions and turn off auto-renewal from your Account Settings in iTunes after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that product, where applicable. • Privacy policy: https://www.iubenda.com/privacy-policy/905866 • Terms of use: http://www.timosstudios.com/terms-of-use You can follow the instructions on our website to change or cancel your subscription: http://www.timosstudios.com/how-to-cancel-subscription-on-ios

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

Calculator·4 screens
SpecScan VIN Decoder4 screens

Verdict

The call

The clearest difference is ads: SpecScan VIN Decoder at none against Calculator·'s shown. SpecScan VIN Decoder also leads on update cadence (every 5 days vs every 3 months) and monetization model (free vs free with in-app purchases). Calculator·'s advantage is ratings volume (34K vs 1) and device support (4 vs 2). On price, rating, in-app purchases and iOS requirement 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. Calculator· sells 3 in-app purchases, starting at $0.99 per month and SpecScan VIN Decoder sells 3 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Calculator· against 5.0 for SpecScan VIN Decoder. That said, the two scores are not equally well evidenced: Calculator· has 34K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Calculator· ships an update every 3 months, SpecScan VIN Decoder every 5 days. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.

Scorecard5 real differences · 5 level
Calculator· versus SpecScan VIN Decoder: the parameters behind the verdict, then further details
ParameterCalculator·SpecScan VIN Decoder
PriceFreeFree
Rating4.9 (34K ratings)5.0 (1 ratings) — better
Positive reviews84.3% of reviews—
Number of ratings34K — better1
Update frequencyEvery 3 monthsEvery 5 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.0 — better15.5
Further details — not scored
Size47 MB42 MB
Age rating4+4+
DeveloperTim O's Studios, LLCSpecScan LLC

Customer experience

Calculator·

All ratings34,400 ratings
Positive97.2%
Neutral1.8%
Negative0.9%
Written reviews887 reviews
Positive84.3%
Neutral5.6%
Negative10.0%

SpecScan VIN Decoder

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

Bugs and requests

Calculator·

Reported bugs

3 issues
  • Crashes when performing long calculations
  • Freezes when opening the app
  • Incorrect results for some complex calculations

Requested features

4 requests
  • Add a backspace/undo button
  • Implement a history/memory feature
  • Provide more customization options
  • Reduce frequency of ads

SpecScan VIN Decoder

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Calculator·

Subscriptions2
  • Upgrade App3 Days trial$0.991 Month
  • Upgrade App$4.991 Year
One-time1
  • Upgrade App$1.99
3 purchases

SpecScan VIN Decoder

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

Questions

Is Calculator· free?
Calculator· is free to download, with in-app purchases available.
Is SpecScan VIN Decoder free?
SpecScan VIN Decoder is free to download, with in-app purchases available.
Which has better reviews, Calculator· or SpecScan VIN Decoder?
SpecScan VIN Decoder is rated higher. Calculator· averages 4.9 out of 5 from 34K ratings, while SpecScan VIN Decoder averages 5.0 from 1 ratings.
Do Calculator· or SpecScan VIN Decoder have ads?
Calculator· shows ads; SpecScan VIN Decoder does not.
Which is updated more often, Calculator· or SpecScan VIN Decoder?
Calculator· ships an update every 3 months, and SpecScan VIN Decoder every 5 days. Most recently, Calculator· was updated on October 12, 2026 and SpecScan VIN Decoder on October 4, 2026.

Other comparisons