Comparison

Metric Conversion tool vs Crossword Solver King

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

Head to head
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!

About

Crossword Solver King

This app assists with various word games and puzzles by providing powerful word-finding and solving tools. It helps users find words for crosswords, Scrabble, Wordle, and more with a vast database and advanced search filters.

Highlights
  • Find words with missing letters
  • Solve anagrams
  • Crossword clue solver
  • Wordle helper
  • Scrabble and blank tile solver
  • Built-in dictionary with definitions
Features
Read full description

FEATURES • Search over 500,000 words, phrases and synonyms • Enter crossword clues to search the built-in thesaurus • Find words with missing letters • Solves anagrams and codewords • Powerful filters to refine your searches • Built-in dictionary, look up over 100,000 definitions CROSSWORDS Use ? (press space) to represent a missing letter, try c????w??? to find clockwork and crossword CROSSWORD CLUES Use the built in thesaurus to find related words, try condiment to find ketchup, mustard, wasabi... CROSSWORD PHRASES Search over 100K built-in phrases, use a hyphen to denote a space, try m????-???-?????? to find motte and bailey, miles per gallon and milky way galaxy ANAGRAMS Try vegdances to find scavenged, also finds smaller words such as seance. WORDLE Green letters use the crossword search, eg ??e?t Grey letters, add them to the Excludes filter Yellow letters, add them to the Contains filter CODEWORDS Try ??112332 to find cassette and pallette, the numbers represent the same repeated letters. Combine these searches with filters to exclude words with letters you already have found. BLANK LETTERS Use + to represent blank letters, enter scrabb++ to find crabbers and scrabbly. SPELLING BEE Spelling Bee puzzles are where you only use the letters provided but as many times as you like. Try $qntuaei to find: quinquina, aquanaut and queenie DEFINITIONS Press a word to view its definition, example usages and synonyms. You can click on the synonyms to view their definitions, press the speak button to listen to the word being spoken by the app. Note, if no definition is found the app will search the web for a definition.

Screenshots

Metric Conversion tool4 screens
Crossword Solver King4 screens

Verdict

The call

The clearest difference is in-app purchases: Metric Conversion tool at none against Crossword Solver King's 1. Metric Conversion tool also leads on update cadence (fortnightly vs every 3 months) and ratings volume (15K vs 112). Crossword Solver King's advantage is review sentiment (85% vs 70%). On price, rating, ads 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. Crossword Solver King sells 1 one-off in-app purchase. Metric Conversion tool asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Metric Conversion tool against 4.7 for Crossword Solver King. That said, the two scores are not equally well evidenced: Metric Conversion tool has 15K ratings behind it against 112, so its average is the more settled of the two. Written reviews are what separate them: 70% of Metric Conversion tool's written reviews are positive against 85% of Crossword Solver King's.

UpkeepUpdate frequency

Metric Conversion tool ships an update fortnightly, Crossword Solver King every 3 months. The most recent releases landed on October 21, 2026 and October 19, 2026 respectively.

Scorecard6 real differences · 4 level
Metric Conversion tool versus Crossword Solver King: the parameters behind the verdict, then further details
ParameterMetric Conversion toolCrossword Solver King
PriceFreeFree
Rating4.8 (15K ratings) — better4.7 (112 ratings)
Positive reviews70.2% of reviews85.0% of reviews — better
Number of ratings15K — better112
Update frequencyFortnightly — betterEvery 3 months
AdsYesYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better18.0
Further details — not scored
Size57 MB40 MB
Age rating4+4+
DeveloperWight HatMark Bailey

Customer experience

Metric Conversion tool

All ratings14,631 ratings
Positive96.5%
Neutral2.1%
Negative1.4%
Written reviews198 reviews
Positive70.2%
Neutral5.1%
Negative24.7%

Crossword Solver King

All ratings112 ratings
Positive94.6%
Neutral0.9%
Negative4.5%
Written reviews20 reviews
Positive85.0%
Neutral0.0%
Negative15.0%

Bugs and 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.)

Crossword Solver King

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Metric Conversion tool

No in-app purchases

1 purchases

Crossword Solver King

One-time1
  • Remove Ads$4.99

Questions

Is Metric Conversion tool free?
Metric Conversion tool is free to download, with no in-app purchases.
Is Crossword Solver King free?
Crossword Solver King is free to download, with in-app purchases available.
Which has better reviews, Metric Conversion tool or Crossword Solver King?
Metric Conversion tool is rated higher. Metric Conversion tool averages 4.8 out of 5 from 15K ratings, while Crossword Solver King averages 4.7 from 112 ratings.
Do Metric Conversion tool or Crossword Solver King have ads?
Both Metric Conversion tool and Crossword Solver King show ads.
Which is updated more often, Metric Conversion tool or Crossword Solver King?
Metric Conversion tool ships an update fortnightly, and Crossword Solver King every 3 months. Most recently, Metric Conversion tool was updated on October 21, 2026 and Crossword Solver King on October 19, 2026.

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