Comparison

Shopping Discount vs Metric Conversion tool

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

Head to head
About

Shopping Discount

Features
Read full description

Are you shopping? Many offers with discounts? But what is the final price after discounting and how much are all my purchases? Use this application and in seconds you will know how much you are really going to pay! Simply enter the price of the item, slide your finger on the percentages of discounts to the right or left to select the discount percentage and done - you have the price you will pay. Buy more? Add the item to the shopping list and automatically get the total amount you have to pay and you have saved! It's that easy!!

About

Metric Conversion tool

This app provides a comprehensive unit and currency converter with a user-friendly interface. It offers offline functionality, supports over 30,000 unit conversions, and includes more than 160 currencies with live exchange rates. Users can save favorite conversions and get precise results.

Highlights
  • Offline functionality
  • Over 30,000 unit conversions
  • 160+ currencies with live rates
  • Save favorite conversions
  • Answers in fractions
  • Up to 5 decimal places
Features
Read full description

Unit converter App from the most popular metric conversions website in the world, metric-conversions.org. Over a billion visitors have used our website, try our app and see why we're so popular! FEATURES: Easy to use clear interface Works offline All popular unit conversions (over 30,000 of them) Over 160 currencies (including Bitcoin and other cryptocurrencies) with live exchange rates Store your favorite conversions for quick access Answers in fractions where needed. Obtain conversion results with up to 5 decimal places Imperial units split into other imperial units – so you can get a weight in stones and pounds, pounds and ounces, etc. Lengths break down into feet and inches, etc. WEIGHT: Kilograms, Pounds, Stones, Ounces, Grams, Carats, Grains, Hundredweights, Micrograms.Milligrams, Ounces, Pennyweights, Tons, Troy pounds, Troy ounces TEMPERATURE: Celsius, Fahrenheit, Kelvin, Rankine, Newton, Réaumur, Rømer, Delisle. LENGTH: Miles, Yards, Feet, Inches, Kilometers, Meters, Centimeters, Chains, Decimeters, Furlongs, Leagues, Lightyears, Microinches, Microns, Millimeters, Parsecs, Nautical Leagues, Nautical Miles. AREA: Square Miles, Acres, Square Yards, Square Feet, Square Inches, Square Kilometers, Hectares, Square Meters, Square Centimeters, Square Millimeters, Square Microns, Square Microinches. VOLUME: Cups, Tablespoons, Teaspoons, Gallons, Pints, Gills, Ounces , Cubic Meters, Liters, Centiliters, Milliliters, Cubic Yards, Barrels, Quarts, Gills. SPEED: Miles per hour, Kilometers per hour, Meters per second, Knots, Mach, Light speed and more. TIME: Seconds, Minutes, Hours, Days. ANGLE: Degrees, Radians, Minutes (Angular), Seconds (Angular), Centrad, Gradians, Milliradians, Sign PRESSURE: Atmospheres, Bar, Pascals, Pound Force per Square Inch, Inches of Mercury, Inches of Water, Kilogram Force per Square Meter, Millibar, Millimeters of Mercury, Millimeters of Water, Newtons per Meter Squared, Pounds per Square Foot, Torrs CURRENCY: All state sponsored world currencies as well as major crypto-currencies. If you need anything added, email us at appcontact@metric-conversions.org and we'll do our best to put them in for you!

Screenshots

Shopping Discount3 screens
Metric Conversion tool4 screens

Verdict

The call

The clearest difference is price: Metric Conversion tool at Free against Shopping Discount's $0.99. Metric Conversion tool also leads on update cadence (fortnightly vs every 34 months). Shopping Discount's advantage is ads (none vs shown). On in-app purchases, device support 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

Metric Conversion tool is free to download; Shopping Discount costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Shopping Discount ships an update every 34 months, Metric Conversion tool fortnightly. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

Scorecard3 real differences · 7 level
Shopping Discount versus Metric Conversion tool: the parameters behind the verdict, then further details
ParameterShopping DiscountMetric Conversion tool
Price$0.99Free — better
Rating—4.8 (15K ratings) — better
Positive reviews—69.2% of reviews
Number of ratings—15K — better
Update frequencyEvery 34 monthsFortnightly — better
AdsNo — betterYes
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.1 — better
Further details — not scored
Size16 MB57 MB
Age rating4+4+
DeveloperDietmar Herbert Schwarz WebersWight Hat

Bugs and requests

Shopping Discount

Not enough reviews yet to summarise bugs or requests.

Metric Conversion tool

Reported bugs

2 issues
  • Temperature conversion displaying incorrect values
  • Ads triggering false memory full warnings

Requested features

3 requests
  • Paid version to remove ads
  • Option to display results in preferred format
  • Speed conversion (mph, km/h, etc.)

In-app purchases

None

Shopping Discount

No in-app purchases

None

Metric Conversion tool

No in-app purchases

Questions

Is Shopping Discount free?
Shopping Discount costs $0.99, with no in-app purchases.
Is Metric Conversion tool free?
Metric Conversion tool is free to download, with no in-app purchases.
Do Shopping Discount or Metric Conversion tool have ads?
Metric Conversion tool shows ads; Shopping Discount does not.
Which is updated more often, Shopping Discount or Metric Conversion tool?
Shopping Discount ships an update every 34 months, and Metric Conversion tool fortnightly. Most recently, Shopping Discount was updated on November 1, 2026 and Metric Conversion tool on November 8, 2026.

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