Comparison

UnitFlow vs Weight Converter Calculator

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

Head to head
About

UnitFlow

Features
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Convert miles to kilometers, pounds to kg, ounces to grams, and Fahrenheit to Celsius instantly. Perfect for switching between metric and imperial systems and for converting between multiples and submultiples of the same unit. Works completely offline. UnitFlow is ideal for travel, study, and working with international measurements or content from countries using different measurement systems. CONVERSIONS BETWEEN SYSTEMS - Miles โ†” Kilometers - Pounds โ†” Kilograms - Ounces โ†” Grams - Gallons โ†” Liters - Fahrenheit โ†” Celsius - Feet and inches โ†” Centimeters - Miles per hour โ†” km/h - Knots โ†” km/h CONVERSIONS WITHIN THE SAME UNIT Also supports conversions between multiples and submultiples: - Meters, centimeters, millimeters - Kilograms, grams, milligrams - Liters and milliliters - Hours, minutes, seconds FREE CATEGORIES (7) - Length - Weight - Volume - Area - Temperature - Speed - Time PREMIUM CATEGORIES With one-time purchase (no subscription), unlock 7 additional categories: - Pressure (bar, psi, pascal, atmospheres) - Energy (joules, calories, kilowatt-hours) - Voltage (volts, millivolts, kilovolts) - Current (amperes, milliamperes) - Power (watts, kilowatts, horsepower) - Digital Data (bytes, KB, MB, GB, TB) - Data Transfer Rate (bit/s, kbit/s, Mbit/s, Gbit/s) MULTILINGUAL SUPPORT UnitFlow is available in 6 languages: Italian, English, French, German, Spanish, and Japanese. From the developer of CurrencyFlow.

About

Weight Converter Calculator

Features
Read full description

Convert any weight in a single tap and watch every unit update live โ€” then find out how much a steel bar, gold ingot or shipping box actually weighs from its size alone. Most converters stop at kilograms and pounds. This one keeps going: it turns your phone into a full weight and mass workbench โ€” a fast converter, a density-based material calculator, a shipping weight tool and a reference library, all working from the same exact SI and avoirdupois factors. WHAT YOU GET - Instant conversion across 12 weight units โ€” milligram to metric tonne, plus stone, carat, grain and troy ounce, updating live as you type - Real object weight from size alone: pick from 20 materials with true density values, choose a box, cylinder or sphere, enter dimensions and read the exact result - Billable shipping weight before you post: compare actual and dimensional weight with the right carrier divisor so you never overpay - A full density table and plain-English guide covering dimensional weight, mass versus weight and precious-metal units - Saved favorites and a running history so every result you care about stays one tap away - A fast, offline-first workbench that keeps numbers exact instead of rounding away the details PERFECT FOR - Makers and DIY builders sizing metal, wood or concrete before they buy - Shippers and resellers checking a parcel's billable weight - Jewelers and hobbyists working in carats, grains and troy ounces - Students and engineers who need mass from volume and density fast WHY NOT JUST USE A SEARCH BOX? A search box converts one number and forgets it. It cannot weigh a real object from its dimensions, it does not know material density, and it never tells you which shipping weight you will actually be billed for. This app does all three and keeps your results. PRIVACY Your conversions and saved results stay on your device. No account, no tracking. FULL ACCESS The converter and reference are free forever. A subscription unlocks the material weight calculator and the shipping weight tool, plus unlimited saved results. Choose weekly, yearly, or a one-time lifetime unlock. Payment is charged to your Apple ID at confirmation; subscriptions renew automatically unless cancelled at least 24 hours before the period ends, and you can manage or cancel anytime in your App Store settings. The lifetime option is a single purchase with no renewal. Download it now and weigh anything โ€” by unit, by material, or by parcel. Terms of Use (EULA): https://web-levi.web.app/terms Privacy Policy: https://web-levi.web.app/privacy-policy Questions? tphuc.work@gmail.com

Screenshots

UnitFlow4 screens
Weight Converter Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: Weight Converter Calculator at none against UnitFlow's 1. Weight Converter Calculator also leads on ads (none vs shown) and iOS requirement (17.0 vs 26.2). On price and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. UnitFlow sells 1 one-off in-app purchase. Weight Converter Calculator asks for nothing beyond the download.

Scorecard3 real differences ยท 3 level
UnitFlow versus Weight Converter Calculator: the parameters behind the verdict, then further details
ParameterUnitFlowWeight Converter Calculator
PriceFreeFree
Update frequencyโ€”Every 6 weeks
AdsYesNo โ€” better
In-app purchasesYesNo โ€” better
DevicesiPhone, iPad โ€” betteriPhone
Requires iOS26.217.0 โ€” better
Further details โ€” not scored
Size15 MB13 MB
Age rating4+4+
DeveloperAntonio CetrangoloPhuc Pham

In-app purchases

1 purchases

UnitFlow

One-time1
  • UnitFlow Premium$2.99
None

Weight Converter Calculator

No in-app purchases

Questions

Is UnitFlow free?
UnitFlow is free to download, with in-app purchases available.
Is Weight Converter Calculator free?
Weight Converter Calculator is free to download, with no in-app purchases.
Do UnitFlow or Weight Converter Calculator have ads?
UnitFlow shows ads; Weight Converter Calculator does not.

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