Unit Converter & Calculators vs Notes and Doc Scanner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unit Converter & Calculators
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Unit Converter is a practical measurement converter for everyday metric and imperial unit conversion. Convert 1,000+ units across 80+ categories, from length, weight, temperature, area, and volume to engineering, scientific, and technical measurements. Built-in calculators and reference tools support related math, including a construction calculator for roof, stair, rafter, lumber, layout, and estimating work. Enter a value to see multiple conversion results update instantly. Copy the result you need, save favorite converters, and organize shortcuts on the in-app home screen for faster access to the measurements you use most. Everyday Metric & Imperial Conversions Handle common conversions at home, at work, or while studying: â—¾ Length and distance: meters, feet, inches, miles, and kilometers â—¾ Weight and mass: kilograms, pounds, ounces, and tons â—¾ Temperature: Celsius, Fahrenheit, and Kelvin â—¾ Area and volume: square meters, square feet, liters, milliliters, gallons, and cubic units â—¾ Cooking volume conversions and ingredient reference information â—¾ Time, speed, angle, frequency, pressure, force, energy, power, density, and more Convert cm to inches, meters to feet, kg to pounds, Celsius to Fahrenheit, liters to gallons, and many other measurements in seconds. Fast, Focused Conversion â—¾ See results update in real time as you type â—¾ View multiple equivalent units from one value â—¾ Copy conversion results quickly â—¾ Save favorite converters and arrange shortcuts on the in-app home screen â—¾ Choose color themes and customize the interface Engineering & Scientific Units Work with technical measurements for mechanics, heat, fluids, electricity, magnetism, radiation, lighting, and digital data. Convert pressure, torque, acceleration, viscosity, flow, thermal conductivity, electrical resistance, capacitance, magnetic flux, data storage, and more. Calculators & Reference Tools Use the built-in calculator for everyday and technical math. Explore helpful tools for percentages, geometry, trigonometry, electronics, binary numbers, resistor values, and volume, plus scientific constants and reference tables. Construction Calculator Work directly with metric, imperial, and fractional measurements for construction, carpentry, woodworking, layout, estimating, and DIY projects. â—¾ Feet-inch fraction calculator for mixed-measurement arithmetic â—¾ Roof pitch and rafter calculators for rise, run, slope, angle, and length â—¾ Stair calculator for step height, tread depth, total run, and stringer layout â—¾ Baluster spacing and stud calculators for layout work â—¾ Board foot and lumber calculators for quantity, volume, and cost â—¾ Miter calculator for flat miters and crown-molding saw settings â—¾ Arc, circle, column, cone, and right-triangle calculations Whether you are converting everyday measurements, checking scientific or engineering units, or solving construction math, Unit Converter keeps essential conversion and calculator tools together in one customizable app.
Notes and Doc Scanner
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Notes app keeps your thoughts sorted and organized. Boost your productivity with the ultimate notes and memo app designed for clarity, creativity, and control. Whether you’re jotting down ideas, managing tasks, or journaling, Notes helps you create, customize, and find your notes effortlessly. KEY FEATURES: Create & Write Memos: Quickly note down ideas, tasks, and daily thoughts in clean and sorted notes. Customizable Categories: Organize your notes into categories for easy access. Portable Document Scanner: Scan and edit paper documents, books, or any other document on the go. Rich Text Formatting: Highlight important details with bold, italic, underline, or strikethrough styles. Flexible Font Options: Adjust font styles, sizes, and colors to make every note uniquely yours. Custom Backgrounds: Personalize your notes with different colored backgrounds for a creatively different vibe. Smart Search & Sort: Instantly find notes by keywords, date, or category. WHO CAN USE NOTES? Students: Take lecture notes, highlight key points, and categorize study materials. Professionals: Plan projects, record meeting notes, and organize tasks. Writers & Creators: Draft stories, save ideas, and customize your creative workspace. With Notes, note-taking becomes faster, smarter, and more enjoyable. Whether you need a personal memo pad, a creative journal, or a productivity planner, Notes has it all here in one beautifully simple app. Download Notes now! Write smarter, stay organized, and make every note matter.
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Verdict
The clearest difference is in-app purchases: Notes and Doc Scanner at none against Unit Converter & Calculators's 1. Unit Converter & Calculators's advantage is update cadence (every 5 days vs fortnightly). On price, ads, 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
Both are free to download. Unit Converter & Calculators sells 1 one-off in-app purchase. Notes and Doc Scanner asks for nothing beyond the download.
Unit Converter & Calculators ships an update every 5 days, Notes and Doc Scanner fortnightly. Both last shipped on September 26, 2026.
| Parameter | Unit Converter & Calculators | Notes and Doc Scanner |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days — better | Fortnightly |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.6 |
| Further details — not scored | ||
| Size | 34 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Umit YILMAZ | Ashish Kumar |
In-app purchases
Unit Converter & Calculators
- Remove Ads$4.99
Notes and Doc Scanner
No in-app purchases





