Comparison

CMIM vs Metric Conversions Premium

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

Head to head
About

CMIM

Features
Read full description

Aplicación Oficial del Colegio de Medicina Interna de México A.C, Mantente actualizado con las últimas noticias, eventos, congresos del colegio

About

Metric Conversions Premium

This utility app offers a comprehensive suite of unit and currency conversions with a clean interface. It works offline and provides precise results, breaking down complex units into smaller components for detailed analysis. Users can save frequent conversions for quick access.

Highlights
  • No ads or data tracking
  • Offline functionality
  • Over 30,000 unit conversions
  • 130+ currencies with hourly updates
  • Save favorite conversions
  • Precise results up to 5 decimal places
  • Detailed unit breakdowns
Features
Read full description

Premium version of the 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: No advertisements, tracking or any of your user data used Easy to use clear interface Works offline All popular unit conversions (over 30,000 of them) Over 130 currencies (including Bitcoin) with exchange rates updated every hour 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, Microgram, 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 Bitcoin. 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

CMIM4 screens
Metric Conversions Premium4 screens

Verdict

The call

The clearest difference is price: CMIM at Free against Metric Conversions Premium's $4.99. CMIM also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (11.0 vs 15.1). On ads, in-app purchases 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

CMIM is free to download; Metric Conversions Premium costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CMIM ships an update fortnightly, Metric Conversions Premium every 2 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
CMIM versus Metric Conversions Premium: the parameters behind the verdict, then further details
ParameterCMIMMetric Conversions Premium
PriceFree — better$4.99
Rating—3.0 (2 ratings) — better
Positive reviews—66.7% of reviews
Number of ratings—2 — better
Update frequencyFortnightly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better15.1
Further details — not scored
Size38 MB26 MB
Age rating12+4+
DeveloperJesus Cuevas SanchezWight Hat

In-app purchases

None

CMIM

No in-app purchases

None

Metric Conversions Premium

No in-app purchases

Questions

Is CMIM free?
CMIM is free to download, with no in-app purchases.
Is Metric Conversions Premium free?
Metric Conversions Premium costs $4.99, with no in-app purchases.
Do CMIM or Metric Conversions Premium have ads?
Neither CMIM nor Metric Conversions Premium shows ads.
Which is updated more often, CMIM or Metric Conversions Premium?
CMIM ships an update fortnightly, and Metric Conversions Premium every 2 months. Most recently, CMIM was updated on October 27, 2026 and Metric Conversions Premium on October 24, 2026.

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