Comparison

ScanAndSend vs Unit Eater

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

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.

Highlights
  • Unit conversion and calculation
  • Custom unit definition
  • Extensive unit library
  • Calculation history
  • Customizable result format
  • Dark mode
Read full description

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

ScanAndSend4 screens
Unit Eater4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 3 level
ScanAndSend versus Unit Eater: the parameters behind the verdict, then further details
ParameterScanAndSendUnit Eater
Price$2.99Free — better
Rating3.7 (3 ratings) — better—
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings3 — better—
Update frequencyEvery 4 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhoneiPhone, iPad, iPod, Mac — better
Requires iOS16.012.0 — better
Further details — not scored
Size6 MB65 MB
Age rating4+4+
DeveloperMartin SchrottTom Leon Schmidt

Customer experience

ScanAndSend

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews6 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Unit Eater

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

ScanAndSend

No in-app purchases

2 purchases

Unit Eater

Subscriptions1
  • Premium - Monthly$0.991 Month
One-time1
  • Premium - Pay once$3.99

Questions

Is ScanAndSend free?
ScanAndSend costs $2.99, with no in-app purchases.
Is Unit Eater free?
Unit Eater is free to download, with in-app purchases available.
Do ScanAndSend or Unit Eater have ads?
Neither ScanAndSend nor Unit Eater shows ads.
Which is updated more often, ScanAndSend or Unit Eater?
ScanAndSend ships an update every 4 weeks, and Unit Eater every 2 weeks. Most recently, ScanAndSend was updated on September 10, 2026 and Unit Eater on September 11, 2026.

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