Comparison

convrt vs Unit Converter All Categories

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

Head to head
About

convrt

Features
Read full description

After selecting a category and an associated unit an input value has to be provided. Once input has been provided and the β€œConvert" button has been clicked, the keyboard will be dismissed, and the conversion results will be listed in a table underneath the input field. The selected category and unit will appear as the button title. Checks will be executed the validate the input provided. An error message will be displayed if invalid input is entered. All categories can deal with decimal input including decimal places. Exceptions are the categories 'Numeral' and 'Data'. These categories don't allow decimal places. For the 'Numeral' category input depends on the selected unit; binary only allows 0 and 1, octal only allows for 0..7, decimal only allows for 0..9 and hexadecimal allows for 0..9 and A..F. The categories Circle, Data and Temperature have an option β€œTable" in the Unit list. When selected the app will list formulas used to execute the conversions (for Circle and Temperature) and a table with all data storage units and how they relate to each other (for Data). Tables will be listed without the need to provide Input or pressing the Convert button. More detailed Help information is provided on the Help screen in the app. In settings you can set number of decimal places for each of the category's unit conversion results and if you want to use grouping separators. Also you have the option to change the color of the buttons on the main screen.

About

Unit Converter All Categories

Features
Read full description

Universal Unit Converter is the ultimate all-in-one conversion tool for professionals, students, and everyday users. Whether you're solving homework problems, performing engineering calculations, or managing tasks in the lab or workshop, this app has everything you need in one beautifully organized interface. With over 70 converters spread across 8 specialized categories, this app helps you convert almost anything β€” from simple length and weight to advanced thermal resistance, magnetism, radiation, and more. Main Categories & Features Common Converters Quickly convert essential everyday values like: Length Weight and Mass Volume Temperature Area Pressure Energy Speed Data Storage Time, Power, Force, and more Engineering Tools Perfect for students and professionals in mechanical or civil engineering: Angular velocity & acceleration Density & specific volume Moment of inertia Torque & force moments Heat and Thermal Systems Handle all thermal analysis needs with: Thermal conductivity Specific heat capacity Thermal resistance Heat transfer coefficient Fuel efficiency (mass & volume) Fluid Dynamics Explore various physical and chemical properties in: Flow rates (volume, mass, molar) Viscosity (dynamic & kinematic) Concentration & permeability Surface tension Light and Optics Calculate optical parameters with: Luminance Illumination Light frequency & wavelength Digital image resolution Electricity Designed for electrical engineers and electronics enthusiasts: Current, voltage, resistance Capacitance & inductance Conductance, conductivity, and resistivity Electric field strength & charge density Magnetism Convert key magnetic quantities: Magnetic field strength Magnetic flux & flux density Magnetomotive force Radiology and Radiation Medical and scientific users can convert: Radiation exposure (Gy, Bq, C/kg) Absorbed dose & activity Why Choose Universal Unit Converter? Clean and intuitive UI with categorized converters Accurate conversion formulas used by professionals Offline mode β€” No internet needed Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

convrt1 screens
Unit Converter All Categories4 screens

Verdict

The call

The clearest difference is in-app purchases: convrt at none against Unit Converter All Categories's 3. Unit Converter All Categories's advantage is update cadence (every 5 weeks vs every 25 months). On price, ads, device support and iOS requirement 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. Unit Converter All Categories sells 3 in-app purchases, starting at $0.99 per month. convrt asks for nothing beyond the download.

UpkeepUpdate frequency

convrt ships an update every 25 months, Unit Converter All Categories every 5 weeks. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

Scorecard2 real differences Β· 4 level
convrt versus Unit Converter All Categories: the parameters behind the verdict, then further details
ParameterconvrtUnit Converter All Categories
PriceFreeFree
Update frequencyEvery 25 monthsEvery 5 weeks β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.6 β€” better16.6
Further details β€” not scored
Size3 MB12 MB
Age rating4+4+
DeveloperHerbert JonkmanVladislav Zhirnov

In-app purchases

None

convrt

No in-app purchases

3 purchases

Unit Converter All Categories

Subscriptions2
  • Full version / monthly$0.991 Month
  • Full version / year$2.991 Year
One-time1
  • Remove ADS$4.99

Questions

Is convrt free?
convrt is free to download, with no in-app purchases.
Is Unit Converter All Categories free?
Unit Converter All Categories is free to download, with in-app purchases available.
Do convrt or Unit Converter All Categories have ads?
Neither convrt nor Unit Converter All Categories shows ads.
Which is updated more often, convrt or Unit Converter All Categories?
convrt ships an update every 25 months, and Unit Converter All Categories every 5 weeks. Most recently, convrt was updated on October 27, 2026 and Unit Converter All Categories on October 30, 2026.

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