Comparison

Conversion Calculator Plus vs Calculator

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

Head to head
About

Conversion Calculator Plus

This app is a versatile unit and currency converter with a user-friendly interface. It supports a wide range of conversion categories, including real-world and crypto currencies, with automatic exchange rate updates. Customize your experience with design options, dark mode, and adjustable home screen layouts.

Highlights
  • Unit and currency conversion
  • Supports 160+ currencies (real & crypto)
  • Automatic currency exchange rate updates
  • Simple or carousel design options
  • Dark Mode support
  • Customizable home screen layout
  • Split screen mode on iPad
Features
Read full description

• No full-page ads. • App works without internet. • Rates Saved for Offline use. • Real-time rates updated every minute. • Fast, accurate conversions across 685 units. • Hide unused units, currencies and categories. • Built-in calculator with +, −, ×, ÷, ( and ). • Supports both light and dark appearance. • Custom Home Screen Widgets. Premium Required • Use Siri to convert. Premium Required • Conversions automatically saved to History. • Save all your favorite conversions in 1 place • Interactive rate charts from 1 day to 5 years, plus all available history. • Expand charts to full screen, pinch to zoom, pan and inspect past rates. ----------------------------------------- ALL CONVERSION CATEGORIES COMMON CATEGORIES Pace, Temperature, Data, Currency, Length, Time, Speed, Area, Volume, Pressure, Power, Fuel Economy and Weight. CURRENCIES, CRYPTO & METALS Convert all world currencies, 125 cryptocurrencies and tokens—including Bitcoin, Ethereum and Tether—and four precious metals: gold, silver, platinum and palladium. Compare multiple currencies in one list with Currency+. NUMBERS & GEOMETRY Angle and Amount. PERSONAL & HEALTH Shoe Sizes, Ring Sizes and Blood Sugar. MOTION & MECHANICS Acceleration, Angular Acceleration, Force, Torque, Energy and Moment of Inertia. FLUIDS & MATERIALS Flow, Density, Viscosity, Kinematic Viscosity, Surface Tension, Permeability, Mass Flux Density and Specific Volume. TEMPERATURE & HEAT Temperature Interval, Thermal Conductivity, Specific Heat Capacity, Heat Density, Heat Flux Density, Heat Transfer Coefficient and Thermal Expansion. ELECTRICITY & MAGNETISM Current, Voltage, Charge, Resistance, Capacitance, Inductance, Conductance, Linear Charge Density, Surface Charge Density, Volume Charge Density, Linear Current Density, Surface Current Density, Electric Field Strength, Electric Resistivity, Electric Conductivity, Magnetic Flux (Magnet), Magnetic Field Strength, Magnetic Flux Density and Magnetomotive Force. LIGHT & SOUND Luminance, Illumination, Luminous Intensity, Sound and Frequency. DATA & DESIGN Data Transfer Rate, Image and Typography. CHEMISTRY & RADIATION Molar Concentration, Molar Mass, Molar Flow Rate, Radiation, Radioactivity and Exposure. PREMIUM Premium is an optional auto-renewing annual subscription. It removes banner ads, gives you more screen space, and unlocks interactive Home Screen widgets and Siri conversions. Payment is charged to your Apple Account when you confirm the purchase. It renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your Apple Account settings. The price is shown before you confirm. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://developer-yl.github.io/convert-units-plus/privacy.html

About

Calculator

This utility app offers a comprehensive suite of calculation tools for everyday needs. It includes basic and scientific functions, unit and currency conversions, world time, health metrics, and GPA calculation. Customize your calculator experience with practical, easy-to-use features.

Highlights
  • Basic and scientific calculations
  • Unit conversion (length, weight, volume, etc.)
  • Currency conversion with real-time rates
  • World time conversion for over 400 cities
  • Health calculator (BMI, BMR)
  • GPA calculator
  • Customizable functions and constants
Features
Read full description

This calculator allows you to easily handle all the calculations necessary for everyday life with a calculator simple application. A calculator app with a clean interface and practical functions! Calculator is a breeze to use for everyday calculations, with all the scientific calculations capability you need for work and school just a swipe away. Calculator allows you to add or remove the functions and constants you need to make the perfect calculator designed by you, for you. Calculator offers all the regular and scientific calculator functions in a simple, stylish and easy-to-use calculator app. This calculator sums up all the calculations you need in life, making your life easier than ever. This calculator application includes all other calculation functions such as: - Currency conversion calculator - Unit conversion calculator - World time conversion calculator - Health Calculator - GPA calculator ... 1. General Calculator • The basic calculator supports four basic arithmetic operations, squaring, parentheses of expressions, and simple scientific operations like trigonometric and logarithmic functions. • Quick and easy calculation. • Modify mistyped expressions with a freely moving cursor. • Calculation history available 2. Unit Conversion Calculator • Calculator supports length, weight, width, volume, time, temperature, pressure, speed, fuel efficiency and amount of data. • Supports all unit conversion calculations commonly used in daily life. 3. Currency Conversion Calculator • Support calculator to convert 135 world currencies, including dollar, euro, yen, yuan, etc. • Automatically calculates using real-time exchange rate. 4. World Time Conversion Calculator • Time conversion calculator for 400 or more world cities. • Daylight savings time will also be reflected in this calculation. 5. Health Calculator • You can measure your body mass index (BMI) and basal metabolic rate (BMR) with this simple calculator tool 6. GPA Calculator • You can correctly calculate your GPA! Simple Calculator is an easy basic calculator app for daily simple use, the basic calculator that you need for unit converter and calculations. Our term of service: https://firebasestorage.googleapis.com/v0/b/calculator-b4ec0.appspot.com/o/Term_of_serviceios.html?alt=media&token=5c77b19a-389e-4a0b-9b29-30b3d406788b Privacy policy: https://firebasestorage.googleapis.com/v0/b/calculator-b4ec0.appspot.com/o/Privacy%20Policy_html%20-%20IOS.html?alt=media&token=3b15b37a-ce46-4206-a4b1-1648e18b5ad4 Hope this calculator application will help you in life, make your life faster and easier. This app is still in development period so your feedback is welcome. Have a nice day

Screenshots

Conversion Calculator Plus4 screens
Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: Calculator at none against Conversion Calculator Plus's 1. Calculator also leads on rating (5.0 vs 4.7) and iOS requirement (11.0 vs 17.0). Conversion Calculator Plus's advantage is update cadence (every 2 days vs every 2 weeks) and ratings volume (15K vs 1). On price, 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. Conversion Calculator Plus sells 1 in-app purchase, starting at $9.99 per year. Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Calculator holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Conversion Calculator Plus has 15K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Conversion Calculator Plus ships an update every 2 days, Calculator every 2 weeks. The most recent releases landed on November 8, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
Conversion Calculator Plus versus Calculator: the parameters behind the verdict, then further details
ParameterConversion Calculator PlusCalculator
PriceFreeFree
Rating4.7 (15K ratings)5.0 (1 ratings) — better
Positive reviews69.5% of reviews—
Number of ratings15K — better1
Update frequencyEvery 2 days — betterEvery 2 weeks
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.011.0 — better
Further details — not scored
Size59 MB32 MB
Age rating4+4+
DeveloperAdysseusApero Technologies Group

Customer experience

Conversion Calculator Plus

All ratings15,343 ratings
Positive94.6%
Neutral2.8%
Negative2.6%
Written reviews200 reviews
Positive69.5%
Neutral4.5%
Negative26.0%

Calculator

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

Bugs and requests

Conversion Calculator Plus

Reported bugs

3 issues
  • Currency conversion not working
  • App gets stuck on consent page
  • Unable to get past ads/subscription page

Requested features

3 requests
  • Add running pace conversions
  • Add shoe size converter
  • Provide paid ad-free version

Calculator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Conversion Calculator Plus

Subscriptions1
  • No Ads For One Year1 Year trial$9.991 Year
None

Calculator

No in-app purchases

Questions

Is Conversion Calculator Plus free?
Conversion Calculator Plus is free to download, with in-app purchases available.
Is Calculator free?
Calculator is free to download, with no in-app purchases.
Which has better reviews, Conversion Calculator Plus or Calculator?
Calculator is rated higher. Conversion Calculator Plus averages 4.7 out of 5 from 15K ratings, while Calculator averages 5.0 from 1 ratings.
Do Conversion Calculator Plus or Calculator have ads?
Both Conversion Calculator Plus and Calculator show ads.
Which is updated more often, Conversion Calculator Plus or Calculator?
Conversion Calculator Plus ships an update every 2 days, and Calculator every 2 weeks. Most recently, Conversion Calculator Plus was updated on November 8, 2026 and Calculator on November 3, 2026.

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