Comparison

ConvertxChange vs ConvertX

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

Head to head
About

ConvertxChange

Features
Read full description

Convert everyday values effortlessly with a simple, elegant app designed for speed and clarity. Whether you’re switching between distance units, converting temperatures, or exploring live currency exchange rates, everything updates instantly as you type. Perfect for travelers, students, professionals, and anyone who needs quick conversions.

About

ConvertX

Features
Read full description

Convert any unit in seconds with ConvertX β€” a powerful unit converter for engineers, students, professionals, and everyday use. From everyday measurements to advanced engineering conversions. -> 400+ UNITS ACROSS 44 CATEGORIES Quickly convert everyday and technical measurements, including: β€’ Length β€” meters, kilometers, miles, feet, inches β€’ Weight & Mass β€” kilograms, grams, pounds, ounces β€’ Temperature β€” Celsius, Fahrenheit, Kelvin β€’ Area β€” square meters, square feet, acres β€’ Volume β€” liters, milliliters, gallons β€’ Speed β€” km/h, mph, m/s β€’ Time β€” seconds, minutes, hours, days β€’ Data Storage β€” bits, bytes, KB, MB, GB β€’ Pressure β€” Pa, bar, psi, atm β€’ Energy β€” joules, calories, kWh β€’ Power β€” watts, kilowatts, horsepower β€’ Angle β€” degrees, radians β€’ Frequency β€” Hz, kHz, MHz β€’ Fuel Efficiency β€’ And many more measurement conversions -> CURRENCY CONVERTER Convert between 30+ currencies using live exchange rates. Currency data can be cached for convenient access when an internet connection is unavailable. -> ENGINEERING CONVERSIONS β€” PRO Convert advanced engineering and scientific measurements with dedicated tools for professional and technical use. Mechanical Engineering: β€’ Force β€’ Torque β€’ Stress β€’ Density β€’ Dynamic & Kinematic Viscosity β€’ Acceleration β€’ Angular Velocity Civil Engineering: β€’ Flow Rate β€’ Stress Intensity β€’ Illuminance β€’ Concentration β€’ Water Hardness Electrical Engineering: β€’ Voltage β€’ Resistance β€’ Capacitance β€’ Inductance β€’ Current Density Thermal & HVAC: β€’ Thermal Conductivity β€’ Heat Flux β€’ Cooling Load β€’ Specific Heat Science: β€’ Radiation Dose β€’ Radioactivity β€’ Molar Amount Material Science: β€’ Hardness β€” HRC, HV, HB, Shore β€’ Elastic Modulus -> FAST AND EASY TO USE Convert measurements quickly with a clean interface designed for everyday and professional use. β€’ Large, easy-to-read results β€’ Swap units with one tap β€’ Copy results to your clipboard β€’ Save frequently used conversions to Favorites β€’ View your recent conversion history β€’ Fast calculations β€’ Clean dark interface β€’ Unit calculations work offline -> OFFLINE UNIT CONVERTER Convert units without an internet connection. Everyday and engineering calculations work directly on your device, making ConvertX useful at home, at work, in classrooms, laboratories, workshops, engineering sites, and while traveling. -> BUILT FOR ENGINEERS, STUDENTS & EVERYDAY USERS ConvertX is useful for: β€’ Mechanical Engineers β€’ Civil Engineers β€’ Electrical Engineers β€’ HVAC Technicians β€’ Engineering Students β€’ Science Students β€’ Technicians β€’ Construction Professionals β€’ Material Scientists β€’ Chemistry & Physics Students β€’ Teachers β€’ Developers β€’ Travelers β€’ DIY Users -> SIMPLE & PRIVATE No account is required to use ConvertX. Unit calculations work directly on your device, including offline conversions. Convert meters to feet, kilometers to miles, kilograms to pounds, Celsius to Fahrenheit, liters to gallons, psi to bar, watts to horsepower, and hundreds of other units in seconds. Whether you need a quick measurement conversion for everyday use or advanced engineering conversions for professional work, ConvertX brings everyday, scientific, engineering, and currency conversions together in one app. -> CONVERTX PRO Unlock all 29 engineering categories with a one-time purchase. Lifetime access. No subscription. One payment includes all current engineering categories and future engineering categories. Get ConvertX today and keep a powerful unit conversion toolkit at your fingertips. Whether you're an engineer, student, professional, traveler, or simply need a quick conversion, ConvertX makes everyday and technical unit conversions fast, simple, and convenient β€” even when you're offline.

Screenshots

ConvertxChange4 screens
ConvertX4 screens

Verdict

The call

The clearest difference is in-app purchases: ConvertxChange at none against ConvertX's 1. ConvertxChange also leads on ads (none vs shown). ConvertX's advantage is iOS requirement (15.6 vs 26.0). On price and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. ConvertX sells 1 one-off in-app purchase. ConvertxChange asks for nothing beyond the download.

Scorecard3 real differences Β· 3 level
ConvertxChange versus ConvertX: the parameters behind the verdict, then further details
ParameterConvertxChangeConvertX
PriceFreeFree
Update frequencyβ€”Every 7 months
AdsNo β€” betterYes
In-app purchasesNo β€” betterYes
DevicesiPhone, iPadiPhone, iPod
Requires iOS26.015.6 β€” better
Further details β€” not scored
Size1 MB35 MB
Age rating4+17+
DeveloperSiva SivakumarDhaval Panasara

In-app purchases

None

ConvertxChange

No in-app purchases

1 purchases

ConvertX

One-time1
  • LifeTime Premium$4.99

Questions

Is ConvertxChange free?
ConvertxChange is free to download, with no in-app purchases.
Is ConvertX free?
ConvertX is free to download, with in-app purchases available.
Do ConvertxChange or ConvertX have ads?
ConvertX shows ads; ConvertxChange does not.

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