ScanAndSend vs Unit Eater
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ScanAndSend
This utility app replaces your physical barcode scanner, allowing you to scan various code types and instantly send the data to your Mac. It supports offline scanning and exporting scanned history to CSV.
- Scan multiple code types (QR, Barcode, Aztec, Datamatrix)
- Send scanned data to Mac receiver app
- Offline scanning and delayed sending
- Export scanned history to CSV
- View and send previously scanned codes
- Open website and email links from scans
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ScanAndSend is an app which replaces your barcode scanner and sends scanned data to your Mac. A lot of different types of codes like QR-Codes, Barcodes, Aztec-Codes, Datamatrix can be scanned. • Scans codes and sends them immediately to your Mac with installed ScanAndSend Receiver app for Mac • Offline mode: scans codes and sends them to your Mac later • Export recently scanned codes into a CSV file • View recently scanned codes • Sends already scanned codes • Open links to websites and e-mails on the iPhone • Connecting with a Mac with installed ScanAndSend Receiver app (Version 2.0 or higher) enables instant copying into the clipboard or text insertion* The ScanAndSend Receiver app for Mac is available on the Mac App Store or on https://www.scanandsend.at/ for free. List of supported codes: • QR • EAN 8 • EAN 13 • Aztec-Code • Code 128 • Code 39 • Code 93 • Datamatrix • PDF417 • UPC • PZN 7 • PZN 8 • Interleaved 2 of 5 • ITF-14 * not available in the Mac App Store Version of ScanAndSend Receiver
Unit Eater
This utility app functions as a powerful calculator that handles unit conversions and calculations. It supports a vast array of predefined units and allows users to define their own, making it ideal for scientific and academic tasks. Features include a calculation history, customizable results, and dark mode.
- Unit conversion and calculation
- Custom unit definition
- Extensive unit library
- Calculation history
- Customizable result format
- Dark mode
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Unique calculator that not only converts units, but can also perform calculations with them. Perfect for school, university, work, or personal use! For math, physics, chemistry, biology, engineering, or any other natural sciences! - Standard calculator functions usable with or without units - Target unit freely definable - Define your own units if you need them - History of recent calculations - Quick transfer of parts or entire calculations from history - ANS function to dynamically use the last result - Customizable result format - Quick search - Quick access to important functions like square or cube - Undo and redo of last steps - Dark mode Boost your productivity, focus on the essentials, and leave conversion errors in the past! Supports many units, prefixes, and constants: * Prefixes: kilo, mega, giga, tera, centi, milli, micro, nano, … * Constants: mass of proton, neutron, electron, Avogadro's constant, electric field constant, gas constant, Planck's constant, … * Angles: radian, degree, degree-minute, degree-second, gradian, turn, steradian, … * Length: meter, mile, inch, foot, yard, nautical mile, chain, furlong, cable length, rod, … * Area: square meter, hectare, acre, are, square kilometer, square inch, square foot, square yard, … * Volume: liter, cubic meter, fluid ounce, gallon, gill, pint, quart, barrel, tablespoon, teaspoon, … * Mass: gram, ton, ounce, pound, carat, grain, … * Time: second, minute, hour, day, year, … * Speed: meter per second, kilometer per hour, miles per hour, knot, speed of light, … * Acceleration: gravitational acceleration, meter per second squared, … * Energy: joule, kilocalorie, erg, watt-hour, electronvolt, … * Power: watt, horsepower, … * Force: Newton, pond, kilopond, tf, ozf, lbf, … * Torque: Newton meter, ozfin, ozfft, lbf*in, … * Frequency: Hertz, revolutions per minute, … * Pressure: pascal, bar, atm, at, Torr, mmHg, osi, ose, psi, psf, … * Viscosity: Poise, Stokes, … * Density: gram per cubic centimeter, kg per cubic meter, … * Radiation: Becquerel, Curie, Rutherford, Roentgen, Gray, Sievert, rem, … * Light: candela, lumen, lux * Electricity: volt, ampere, ohm, coulomb, elementary charge, farad, siemens, … * Magnetism: Weber, Tesla, Henry, … Is your desired unit not listed? You can define any additional units! Privacy Policy: https://www.iubenda.com/privacy-policy/22446614 Terms and Conditions: https://www.iubenda.com/terms-and-conditions/22446614
Screenshots
Verdict
The clearest difference is review sentiment: Unit Eater at 100% against ScanAndSend's 50%. Unit Eater also leads on price (Free vs $2.99) and update cadence (every 2 weeks vs every 4 weeks). ScanAndSend's advantage is in-app purchases (none vs 2). On ads 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
Unit Eater is free to download; ScanAndSend costs $2.99 up front. Unit Eater sells 2 in-app purchases, starting at $0.99 per month. ScanAndSend asks for nothing beyond the download.
ScanAndSend ships an update every 4 weeks, Unit Eater every 2 weeks. The most recent releases landed on September 10, 2026 and September 11, 2026 respectively.
| Parameter | ScanAndSend | Unit Eater |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 3.7 (3 ratings) — better | — |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 — better | — |
| Update frequency | Every 4 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 65 MB |
| Age rating | 4+ | 4+ |
| Developer | Martin Schrott | Tom Leon Schmidt |
Customer experience
ScanAndSend
Unit Eater
In-app purchases
ScanAndSend
No in-app purchases
Unit Eater
- Premium - Monthly$0.991 Month
- Premium - Pay once$3.99
Questions
Is ScanAndSend free?
Is Unit Eater free?
Do ScanAndSend or Unit Eater have ads?
Which is updated more often, ScanAndSend or Unit Eater?
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