Comparison

Unit Ⅽonverter vs DrawNote

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

Head to head
About

Unit Ⅽonverter

Easily convert between over 1600 units of measurement across 75 categories, including custom units and complex calculations. Supports offline mode and offers a convenient history of your conversions.

Highlights
  • Convert over 1600 units in 75 categories
  • Supports custom units and combinations
  • Calculator for expression input
  • View conversion histories
  • Add favorite units
  • Offline mode
  • Copy and share results
Read full description

Unit Converter enables any user to quickly convert between any units of measurement—including custom units and combinations of units—in just a few simple steps. Conversion of units is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors. Unit Converter application provides a conversion calculator for all types of measurement units. Features list - Convert all units simultaneously. - Calculator for expression input. - View conversion histories. - Add conversion to the favorite units. - Support offline mode, work without internet whenever and wherever. - All in one tool offering with multiple unit conversions. - Swap unit by pressing button on the interface. - Copying and Sharing the conversation results. Conversion with more than 1600 units of the measurements in 75 categories. - Common converters: Length, Currency (more than 150 world currencies), Temperature, Time, Weight, Fuel, Area, Volume, Angle, Pressure, Energy&Power, Speed, Force, Number, Data storage. - Engineering converters: Velocity angular, Acceleration, Acceleration angular, Density, Specific volume, Moment of Inertia, Moment of Force, Torque. - Hear converters: Fuel efficiency mass, Fuel efficiency volume, temperature interval, thermal expansion, Thermal resistance, Thermal conductivity, Specific heat capacity, Heat density, Heat flux density, Heat transfer coefficient. - Fluids converters: Flow, Flow mass, Flow molar, Mass Flux density, Concentration Molar, Concentration solution, Viscosity dynamic, Surface tension, Permeability. - Light converters: Luminance, Luminous Intensity, Illumination, Digital Image Resolution, Frequency wavelength. - Electricity converters: Charge, Linear charge density, surface charge density, volume charge density, ... - Magnetism converters: Magnetomotive Force, Magnetic field strength, Magnetic Flux, Magnetic Flux Density. - Radiology converters: Radiation, Radiation activity, Radiation exposure, Radiation absorbed. - Other converters: Prefixes, data transfer, sound, typography, Volume lumber. #UNITCONVERTER offers auto-renewing subscription option: $1.99 per month By subscribing you get all-purpose converters, live exchange rates and no advertising. Payment will be charged to iTunes Account at confirmation of purchase. Your subscription will automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Your account will be charged for renewal within 24-hours prior to the end of the current period. Subscriptions may be managed and auto-renewal may be turned off by going to the Account Settings after purchase. No cancellation of the current subscription is allowed during active subscription period. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Terms of Use: https://tos.vidanimate.co Privacy Policy: https://privacy.vidanimate.co

About

DrawNote

Features
Read full description

DrawNote is your all-in-one digital notebook for handwriting, drawing, planning and organizing ideas. Write naturally with Apple Pencil, sketch on a flexible canvas, create text notes and mind maps, manage to-dos, and annotate PDFs — all in one place. CREATE YOUR WAY • Handwrite and draw with pressure-sensitive pens • Create Super Notes, Text Notes and Mind Maps • Use shapes, rulers, grids, tables, stamps and more • Choose ruled, dotted, squared, plain or music paper • Create reusable templates STAY ORGANIZED • Organize notes with folders and favorites • Sort and quickly access recent notes • Plan with to-dos, priorities and categories • Link tasks directly to your notes • Search your notes and tasks WORK WITH YOUR FILES • Import PDFs, images, Markdown and text files • Write and draw directly on imported PDF pages • Export as PDF, PNG or SVG • Open and manage supported files from the Files app PRIVATE & FLEXIBLE • Lock the app, notes or folders with a PIN • Back up and restore your notebook • Use light and dark themes • Keep your core notes available offline without creating an account Whether you're taking class notes, sketching ideas, planning projects, annotating documents or organizing your day, DrawNote gives you one simple place to think, create and stay organized.

Screenshots

Unit Ⅽonverter4 screens
DrawNote4 screens

Verdict

The call

The clearest difference is in-app purchases: DrawNote at none against Unit Ⅽonverter's 2. DrawNote also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (15.0 vs 18.0). On price, ads and device support 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. Unit Ⅽonverter sells 2 in-app purchases, starting at $1.99 per month. DrawNote asks for nothing beyond the download.

UpkeepUpdate frequency

Unit Ⅽonverter ships an update every 3 weeks, DrawNote weekly. The most recent releases landed on November 3, 2026 and October 29, 2026 respectively.

Scorecard3 real differences · 5 level
Unit Ⅽonverter versus DrawNote: the parameters behind the verdict, then further details
ParameterUnit ⅭonverterDrawNote
PriceFreeFree
Positive reviews25.0% of reviews—
Update frequencyEvery 3 weeksWeekly — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.015.0 — better
Further details — not scored
Size8 MB79 MB
Age rating4+12+
DeveloperPolymath Company LimitedFATIMA-ZAHRAE ED.DAHRAOUI

In-app purchases

2 purchases

Unit Ⅽonverter

Subscriptions1
  • UnitConverterPremiumMonthly$1.991 Month
One-time1
  • UnitConverterPremiumLifeTime$33.99
None

DrawNote

No in-app purchases

Questions

Is Unit Ⅽonverter free?
Unit Ⅽonverter is free to download, with in-app purchases available.
Is DrawNote free?
DrawNote is free to download, with no in-app purchases.
Do Unit Ⅽonverter or DrawNote have ads?
Both Unit Ⅽonverter and DrawNote show ads.
Which is updated more often, Unit Ⅽonverter or DrawNote?
Unit Ⅽonverter ships an update every 3 weeks, and DrawNote weekly. Most recently, Unit Ⅽonverter was updated on November 3, 2026 and DrawNote on October 29, 2026.

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