Comparison

CalConvert vs Convert Any Unit

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

Head to head
About

CalConvert

This app offers advanced scientific calculation and comprehensive currency and unit conversion. It supports a wide range of measurements, global currencies, and includes features like history logs and home screen widgets for quick access.

Highlights
  • Advanced scientific calculator
  • Currency exchange rates
  • Unit conversions (27+ categories)
  • Home screen widgets
  • Calculation history tape
  • World clock
Features
Read full description

Download CalConvert, the #1 advanced scientific calculator and currency/unit converter in the App Store. CalConvert supports iPhone, iPad and Apple Watch. Simple, free and easy-to-use. Solve complex math equations, figure out cooking volumes, track international foreign currency exchange rates, and access a world clock all at your fingertips. *Useful & Powerful Tools Advanced conversions: Easily convert volume, area, weight, data & more Home Screen widgets: Add CalConvert widgets to your home screen for shortcuts Free Shortcut widget: Launch calculator, conversions, & more at lightning speed Quick Convert widget: Unlock faster unit conversions right from your home screen Advanced calculator and scientific/mathematical functions History tape: All calculations are saved and can be copied, used and shared 27+ categories and over 600 units to convert; metric to imperial and many more Access 150+ global currencies without the internet *Elegant & Intuitive Interface Equation Preview: View your current equation displayed below the result Easily save frequently used units of measurement and currencies CalConvert Pro Subscription Benefits: Advanced conversions: Effortlessly convert a wide range of measurements including volume, area, data, and many more Premium Quick Convert widgets: Unlock the power of super-fast conversions from your home screen with new medium & large Quick Convert widgets World Clock: View the local date & time in cities around the world No Ads Available Categories: Acceleration, Angle, Area, Astronomical, Cooking Volume, Data, Data Transfer, Density, Energy, Flow, Force, Frequency, Fuel, Length, Luminance, Power, Performance, Pressure, Radiation, Speed, Temperature, Time, Torque, Typography, Viscosity, Volume, Weight, Currencies, World Clock Available Currencies: Bitcoin, Euro, US Dollar, Canadian Dollar, Chinese Yuan, British Pound, Japanese Yen, Australian Dollar, Afghan Afghani, Algerian Dinar, Argentine Peso, Albanian Lek, Angolan Kwanza, Armenian Dram, Aruban Florin, Azerbaijani Manat, Bahraini Dinar, Barbadian Dollar, Belize Dollar, Bhutanese Ngultrum, Botswanan Pula, Brunei Dollar, Burundian Franc, Bahamian Dollar and many more. Supports 24 Languages: English, Deutsch, Dansk, Français, Nederlands, Magyar, Suomi , Português, Italiano, Español, Русский, Svenska, Slovenčina, Bokmål, Türkçe, Ελληνικ, Polski, Čeština, Română, Hrvatski, Українська, 日本語, 简体中文, 한국의 CalConvert Pro subscription terms are available here: https://maplemedia.io/terms-of-service/ Thank you for using CalConvert! Have questions, problems or feedback? Email Support: contact@maplemedia.io

About

Convert Any Unit

This app offers a fast and intuitive way to convert between thousands of units and currencies. Simply type to search and select units, with automatic category detection and intelligent suggestions. It includes advanced features like a built-in calculator and bookmark organization.

Highlights
  • Fast unit conversion with autocomplete
  • Intelligent search for units
  • Automatic category selection
  • Built-in calculator
  • Save and organize bookmarks
  • Convert to fraction
  • Copy and paste functionality
Features
Currently charting
Read full description

Over 4 million downloads! The FASTEST way possible to convert units. Just type in a unit without first selecting the category. As you type, a list of units appear. Tap a unit to select it. For most units, 1 or 2 letters is enough to find the unit you want. Automatically saves units into a Favorites list. ----- As you type, the most likely units appear. Once you have selected a unit, the other unit is automatically restricted to the category of the current unit. At any time you can browse through the complete list of units available by tapping on the buttons to the right of the input fields. Advanced features include bookmarks and an integrated calculator. With over 6,400 units, this is the only unit converter you will ever need. ----- Streamlined Interface • Search for and select units with autocomplete (as you type, a list of matching units appears). • Search faster by typing in only the unit abbreviation or first letter of each word in the unit. • "Intelligent Search" shows the most likely units first. • Automatic category selection (category is automatically set once you select a unit). • Flip Units button to switch the From and To units. • Reset button to clear all inputs and start over. • Convert to fraction. ----- Advanced Features • Built in calculator. • Save bookmarks and organize them into folders. • Equations are shown for temperature conversions. • Copy and paste to and from the clipboard. • Conversion result is shown as an easy to understand equation. • Both unit names and symbols shown. • Browse units in an alphabetically indexed list or by magnitude. • Results with up to 12 significant digits. • Automatic formatting of numbers based on your current Region Format. • Automatic formatting of extremely large or small numbers with scientific notation. ----- Over 6,400 Units In 53 Categories. • Acceleration • Angle • Area • Blood Cholesterol • Blood Glucose • Capacitance • Currency • Currency / Volume • Data • Data Rate • Density • Dynamic Viscosity • Electric Charge • Electric Current • Electric Potential • Electrical Conductance • Electrical Resistance • Energy • Force • Frequency • Fuel Economy • Illuminance • Inductance • Kinematic Viscosity • Length • Luminance • Magnetic Field Intensity • Magnetic Flux • Magnetic Flux Density • Mass • Mass / Area • Mass Flow • Mass Fraction • Mass Moment of Inertia • Mole Fraction • Numeral Systems • Pace (Speed) • Power • Pressure • Radiation - Absorbed Dose • Radiation - Equivalent Dose • Radiation Rate - Equivalent Dose • Radioactivity • Sound • Speed • Temperature • Time • Torque • Volume • Volume / Area • Volume Flow • Volume Flow / Area • Water Hardness • Weight (Mass) • Wire Gauge URL Scheme: convertanyunit://

Screenshots

CalConvert4 screens
Convert Any Unit4 screens

Verdict

The call

The clearest difference is price: CalConvert at Free against Convert Any Unit's $9.99. Convert Any Unit's advantage is in-app purchases (none vs 12) and ads (none vs shown). On ratings volume, update cadence, 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

CalConvert is free to download; Convert Any Unit costs $9.99 up front. CalConvert sells 12 in-app purchases, starting at $2.99 per month. Convert Any Unit asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Convert Any Unit holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 6.5K and 5.3K respectively. Written reviews point the same way: 65% of CalConvert's written reviews are positive against 95% of Convert Any Unit's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 27, 2026 and October 26, 2026 respectively.

Scorecard7 real differences · 4 level
CalConvert versus Convert Any Unit: the parameters behind the verdict, then further details
ParameterCalConvertConvert Any Unit
PriceFree — better$9.99
Rating4.6 (6.5K ratings)4.8 (5.3K ratings) — better
Positive reviews65.3% of reviews94.6% of reviews — better
Number of ratings6.5K — better5.3K
Update frequencyEvery 2 monthsEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank—#52 — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.615.2 — better
Further details — not scored
Size315 MB13 MB
Age rating12+4+
DeveloperMaple Media Apps, LLCCider Software LLC

Customer experience

CalConvert

All ratings6,446 ratings
Positive89.9%
Neutral4.4%
Negative5.7%
Written reviews1,390 reviews
Positive65.3%
Neutral7.2%
Negative27.5%

Convert Any Unit

All ratings5,313 ratings
Positive97.0%
Neutral2.0%
Negative1.0%
Written reviews351 reviews
Positive94.6%
Neutral0.9%
Negative4.6%

User reviews

CalConvert

From 6.5K App Store ratings

What we love

  • 🚀 Excellent calculator and converter
  • 👍 Easy to use and intuitive interface
  • 🔢 Large, clear numbers for good visibility
  • 💡 Comprehensive conversion options

Room to improve

  • 🤖 Excessive, intrusive ads
  • 🔒 Locking features behind subscription paywall
  • 🐛 Bugs and glitches after recent updates
  • 🤯 Frustrating user experience due to ads

Convert Any Unit

From 5.3K App Store ratings

What we love

  • ⭐ Excellent unit conversion capabilities
  • 👍 User-friendly interface
  • 🚀 Fast and responsive
  • 💰 Worth the paid upgrade
  • 🔒 No invasive ads in paid version

Room to improve

  • 🔍 Lack of iCloud sync for bookmarks and settings
  • 💤 Too many ads in free version

Bugs and requests

CalConvert

Reported bugs

3 issues
  • Subtraction function not working properly
  • Conversion values not updating correctly
  • Themes and settings not functioning as expected

Requested features

3 requests
  • Ability to rearrange currency order
  • Option to remove ads with one-time purchase
  • Improved performance and stability

Convert Any Unit

Reported bugs

2 issues
  • Recent update caused issues on some devices
  • App freezes or crashes on certain iOS versions

Requested features

3 requests
  • Add iCloud sync for bookmarks and settings
  • Provide more customization options
  • Add support for cryptocurrency conversions

In-app purchases

12 purchases

CalConvert

Subscriptions2
  • CalConvert Pro - Monthly$2.991 Month
  • CalConvert Pro - Annual3 Days trial$9.991 Year
One-time10
  • CalConvert ProFree
  • Skin Pack 2$1.99
  • Skin Pack 4$1.99
Show 7 more
  • Skin Pack 3$1.99
  • School Pack$1.99
  • Skin Pack 6$1.99
  • Skin Pack 7$1.99
  • All Skins$4.99
  • Remove Ads$16.99
  • CalConvert One Time MP$39.99
None

Convert Any Unit

No in-app purchases

Questions

Is CalConvert free?
CalConvert is free to download, with in-app purchases available.
Is Convert Any Unit free?
Convert Any Unit costs $9.99, with no in-app purchases.
Which has better reviews, CalConvert or Convert Any Unit?
Convert Any Unit is rated higher. CalConvert averages 4.6 out of 5 from 6.5K ratings, while Convert Any Unit averages 4.8 from 5.3K ratings.
Do CalConvert or Convert Any Unit have ads?
CalConvert shows ads; Convert Any Unit does not.
Which is updated more often, CalConvert or Convert Any Unit?
CalConvert ships an update every 2 months, and Convert Any Unit every 2 months. Most recently, CalConvert was updated on October 27, 2026 and Convert Any Unit on October 26, 2026.

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