Comparison

Temperature Converter vs Conversion Calculator Plus

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

Head to head
About

Temperature Converter

Easily convert temperatures between Celsius, Fahrenheit, and Kelvin with a clean and intuitive interface. This utility app offers quick and accurate conversions for everyday use. Ads are present but can be removed via a one-time purchase.

Highlights
  • Celsius conversion
  • Fahrenheit conversion
  • Kelvin conversion
  • User-friendly interface
  • Ad removal option
Features
Read full description

A striking & user-friendly temperature converter! Quickly convert temperatures between Celsius, Fahrenheit & Kelvin. Ad Supported. Ads can be removed with a one-time in-app purchase.

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

Screenshots

Temperature Converter4 screens
Conversion Calculator Plus4 screens

Verdict

The call

The clearest difference is ads: Temperature Converter at none against Conversion Calculator Plus's shown. Temperature Converter also leads on review sentiment (91% vs 70%) and iOS requirement (15.0 vs 17.0). Conversion Calculator Plus's advantage is update cadence (every 2 days vs every 6 months). On price, rating, ratings volume and in-app purchases 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. Temperature Converter sells 3 one-off in-app purchases and Conversion Calculator Plus sells 1 in-app purchase, starting at $9.99 per year. 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 — 4.8 for Temperature Converter against 4.7 for Conversion Calculator Plus. Both are backed by a comparable volume of ratings — 6.3K and 15K respectively. Written reviews are what separate them: 91% of Temperature Converter's written reviews are positive against 70% of Conversion Calculator Plus's.

UpkeepUpdate frequency

Temperature Converter ships an update every 6 months, Conversion Calculator Plus every 2 days. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

Scorecard4 real differences · 6 level
Temperature Converter versus Conversion Calculator Plus: the parameters behind the verdict, then further details
ParameterTemperature ConverterConversion Calculator Plus
PriceFreeFree
Rating4.8 (6.3K ratings) — better4.7 (15K ratings)
Positive reviews91.5% of reviews — better69.5% of reviews
Number of ratings6.3K15K — better
Update frequencyEvery 6 monthsEvery 2 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size11 MB59 MB
Age rating4+4+
DeveloperArmchair EngineeringAdysseus

Customer experience

Temperature Converter

All ratings6,260 ratings
Positive95.8%
Neutral2.7%
Negative1.6%
Written reviews47 reviews
Positive91.5%
Neutral2.1%
Negative6.4%

Conversion Calculator Plus

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

User reviews

Temperature Converter

From 6.3K App Store ratings

What we love

  • 👍 Simple and easy to use
  • 🚀 Accurate and fast conversions
  • 💡 Useful for international communication
  • 🚀 Excellent app for the job
  • 👍 Straightforward and effective

Room to improve

  • 🔍 Needs more customization options
  • 💰 Too many ads
  • 🔍 Inaccurate temperature calculations

Conversion Calculator Plus

From 15K App Store ratings

What we love

  • 🚀 Great app
  • 👍 Easy to use
  • 🚀 Comprehensive conversions
  • 👍 Intuitive interface
  • 🚀 Useful tool

Room to improve

  • 🐛 Consent required for tracking
  • 🐛 Update problems
  • 🐛 Currency not updating
  • 🔒 Forced to allow tracking
  • 🔒 Forced to subscribe or view ads

Bugs and requests

Temperature Converter

Reported bugs

2 issues
  • Inaccurate Kelvin temperature conversions
  • Occasional crashes or freezes

Requested features

3 requests
  • Add Rankine temperature scale
  • Increase font size for better readability
  • Provide color customization options

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

In-app purchases

3 purchases

Temperature Converter

One-time3
  • Upgrade Reduced$0.99
  • Upgrade$1.99
  • Upgrade Hero$3.99
1 purchases

Conversion Calculator Plus

Subscriptions1
  • No Ads For One Year1 Year trial$9.991 Year

Questions

Is Temperature Converter free?
Temperature Converter is free to download, with in-app purchases available.
Is Conversion Calculator Plus free?
Conversion Calculator Plus is free to download, with in-app purchases available.
Which has better reviews, Temperature Converter or Conversion Calculator Plus?
Temperature Converter is rated higher. Temperature Converter averages 4.8 out of 5 from 6.3K ratings, while Conversion Calculator Plus averages 4.7 from 15K ratings.
Do Temperature Converter or Conversion Calculator Plus have ads?
Conversion Calculator Plus shows ads; Temperature Converter does not.
Which is updated more often, Temperature Converter or Conversion Calculator Plus?
Temperature Converter ships an update every 6 months, and Conversion Calculator Plus every 2 days. Most recently, Temperature Converter was updated on November 6, 2026 and Conversion Calculator Plus on November 7, 2026.

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