Unit Eater vs Phonetic Russian Keyboard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Phonetic Russian Keyboard
Type Russian characters using a phonetic layout that maps sounds to familiar English keys. This custom keyboard offers dual legends, multiple label modes, and works offline for convenient Cyrillic input.
- Phonetic ЯВЕРТЫ layout
- Dual legends (Russian/Latin)
- Label modes: Both, Cyrillic, English
- Number row with special characters
- Offline functionality
- Light and dark themes
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Phonetic Russian is a custom keyboard that lets you type Cyrillic using a ЯВЕРТЫ phonetic layout. Instead of relearning ЙЦУКЕН, letters sit where they sound like English keys: W→В, V→Ж, F→Ф, L→Л, and so on. Each key can show both the Russian letter and its Latin position. FEATURES • Full phonetic Russian (ЯВЕРТЫ) letter board with dual legends • Label modes: Both, Cyrillic only, or English only • Number row with ъ/Ъ, ё/Ё, and soft sign • Shift and caps lock • Numbers and symbols boards • In-app Try It board • Works offline — Full Access not required • Light and dark keyboard appearance HOW TO ENABLE 1. Open Settings → General → Keyboard → Keyboards 2. Add New Keyboard… → Phonetic RU 3. In any app, tap globe and choose Phonetic RU Privacy: nothing you type is collected, stored, or sent. The keyboard runs fully on your device.
Screenshots
Verdict
The clearest difference is in-app purchases: Phonetic Russian Keyboard at none against Unit Eater's 2. Unit Eater's advantage is device support (4 vs 2) and iOS requirement (12.0 vs 17.0). On price, update cadence and 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
Both are free to download. Unit Eater sells 2 in-app purchases, starting at $0.99 per month. Phonetic Russian Keyboard asks for nothing beyond the download.
Unit Eater ships an update every 2 weeks, Phonetic Russian Keyboard weekly. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.
| Parameter | Unit Eater | Phonetic Russian Keyboard |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 65 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Tom Leon Schmidt | Arthur Sabintsev |
Customer experience
Unit Eater
Phonetic Russian Keyboard
In-app purchases
Unit Eater
- Premium - Monthly$0.991 Month
- Premium - Pay once$3.99
Phonetic Russian Keyboard
No in-app purchases
Questions
Is Unit Eater free?
Is Phonetic Russian Keyboard free?
Do Unit Eater or Phonetic Russian Keyboard have ads?
Which is updated more often, Unit Eater or Phonetic Russian Keyboard?
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