Comparison

Unit Converter vs PhosphorTEX

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

Head to head
About

Unit Converter

This app offers a comprehensive unit conversion tool with over 300 units across 27 categories. It supports compound units, date calculations, and conversions between various number systems, including historical units. The interface is designed for ease of use with smart keyboards and customizable display options.

Highlights
  • 27 conversion categories
  • 300+ units
  • Compound unit support
  • Date calculator
  • Fractions and number conversions
  • Historical units
  • Customizable interface
Features
Read full description

Convert everything - 31 categories, 300+ units! Mila's Tools Unit Converter puts 31 converters in your pocket at no cost. Whether you need to convert temperatures for a recipe, check tire pressure in PSI, find your ring size across international standards, or calculate the days until a deadline, this app handles it all with precision and ease. What customers are saying: ***** "Get it! Nothing better than this!" ***** "This is the best quick ref tool I have come across to date" ***** "Undoubtedly the best conversion app in the App Store." ***** "Best app for me so far." ***** "Intuitive interface. The app design is so easy you'll actually use it." 31 CONVERSION CATEGORIES Angle · Area · Bits & Bytes · Blood Sugar · Capacitance · Cooking · Current · Data Transfer Rates · Dates · Density · Energy · Flow Rate · Force · Fractions · Frequency · Fuel Economy · Gauges · Illuminance · Length · Numbers · Power · Pressure · Ring Sizes · Shoes · Slope · Speed · Temperature · Time · Torque · Volume · Weight COMPOUND UNITS Work with real-world measurements like feet + inches, pounds + ounces, or gallons + quarts. Values auto-normalize — type 13 inches and see 1 foot 1 inch instantly. DATE CALCULATOR Find the exact number of days, weeks, months, and years between any two dates. Add or subtract time from a date with quick-action shortcuts like "90 Days from Today" or "End of Year." DATE CONVERTER See any date across 10 calendar systems — Gregorian, Islamic, Hebrew, Chinese, Persian, Indian National, Coptic, Ethiopic, Buddhist, and Japanese — plus Unix timestamps, Julian Day numbers, and ISO 8601 week dates. Tap the info icon for details on each calendar system. FRACTIONS & NUMBERS Convert between fractions, decimals, and percentages. Translate numbers into Roman numerals, binary, octal, and hexadecimal. Explore magnitudes from thousands to decillions. RING SIZES Convert between US, EU, Swiss, Japanese, Chinese (Mainland), and Hong Kong ring sizing standards. View inner diameter and circumference in millimeters for precise measurements. HISTORICAL UNITS Go beyond modern measurements with ancient Egyptian, Mesopotamian, Greek, Roman, and Biblical units of length. BUILT FOR PRECISION Choose automatic smart formatting or set manual decimal precision from 0 to 10 places. Locale-aware number formatting respects your region's separators and conventions. SMART CUSTOM KEYBOARDS Purpose-built keyboards for every input type — numeric, whole number, Roman numeral, binary, octal, and hexadecimal — so you never have to fight autocorrect. DESIGNED FOR YOU • Dark mode with rich, category-specific color themes • Comfortable or compact view styles • Show or hide any unit in any category • Available on iPhone, iPad, and Mac Download now and experience the most comprehensive unit conversion app available! - - - - - Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

PhosphorTEX

Features
Read full description

PhosphorTEX is a real-time NAVTEX maritime-safety decoder for iPhone. Tune a shortwave receiver to 518 kHz, 490 kHz, or 4209.5 kHz, hold your iPhone near the speaker, and watch navigational warnings, gale warnings, ice reports, and other maritime safety information scroll across an authentic amber phosphor CRT display. NAVTEX (Navigational Telex) is broadcast worldwide under the IMO Global Maritime Distress and Safety System (GMDSS). Every coast, mariners and ship's radio officers depend on it for up-to-the-minute storm warnings, search-and-rescue notices, navigational hazards, and coastal traffic advisories. PhosphorTEX brings that same live maritime feed to your iPhone — offline, on-device, no account, no network. SIGNAL PROCESSING PhosphorTEX implements the full CCIR-476 SITOR-B protocol stack in Swift with purpose-written DSP. • Synchronous 7-bit framer with DPLL clock recovery • Time-diversity FEC: alpha / rep pair-merge per CCIR-476 spec • Shift-until-valid phase search with sentinel-aligned alpha / rep routing — locks to the correct character boundary automatically • Polarity auto-detection — works with maritime-receiver tuning (mark ~1615 Hz) and SDR tuning (mark ~1085 Hz) equally, no toggles • Automatic frequency control with sub-bin parabolic peak interpolation and ±3 Hz/frame centre-tracking clamp • 170 Hz shift locked to spec (±85 Hz around centre) • Live 512-point FFT spectrum and scrolling waterfall display DECODE VIEWS • CARDS — parsed NAVTEX messages as colour-coded cards: station letter, subject badge (SAR/piracy, nav warning, met warning, ice report, met forecast…), serial number, timestamp, FEC quality badge, full body text • TAPE — raw teleprinter character stream, for purists NAVAREA SCHEDULE Built-in database of 42 NAVAREA coast stations across NAVAREA I through XVIII (Cullercoats, Niton, Rogaland, Oostende, Reykjavik, Mondolfo, Las Palmas, Horta, and more). The SCHEDULE tab shows a live 24-slot grid with the current 10-minute broadcast slot highlighted in real time against a ticking UTC clock. MESSAGE LOG Every decoded message is logged locally with timestamp, header, body, and FEC statistics. Swipe to delete. Tap for full view. Export the whole log as plain text via iOS share sheet. CONFIGURATION • Two phosphor themes: classic amber and green • Three font sizes for the decoded output • AFC on/off with manual mark frequency override for unusual receivers • Invert mark/space for LSB-convention receivers • Per-subject mute list (urgent D-category SAR/piracy messages always override) • Alert toggles for SAR/piracy and vital (serial-00) messages PRIVACY PhosphorTEX makes zero network requests. No account, no cloud, no analytics, no tracking, no third-party SDKs. Audio is processed entirely in memory — nothing is recorded, stored, or transmitted. Microphone access is used only for live signal decoding. WHAT YOU NEED An iPhone and a shortwave receiver tuned to NAVTEX — 518 kHz for international English, 490 kHz for national language broadcasts, or 4209.5 kHz for tropical HF. Most entry-level general-coverage receivers work. WebSDR audio played through a speaker works too. PhosphorTEX is part of the Phosphor suite of retro-CRT radio tools: PhosphorRTTY (RTTY), PhosphorCW (Morse), PhosphorFeld (Hellschreiber), PhosphorSSTV (slow-scan TV), and more. Look out for bundles as new apps become available. Built in Swift with Apple's native frameworks only. No external dependencies. Runs entirely on-device.

Screenshots

Unit Converter4 screens
PhosphorTEX4 screens

Verdict

The call

The clearest difference is price: Unit Converter at Free against PhosphorTEX's $0.99. Unit Converter also leads on update cadence (weekly vs every 5 months) and iOS requirement (17.6 vs 26.4). PhosphorTEX's advantage is in-app purchases (none vs 3) and ads (none vs shown). On 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

Unit Converter is free to download; PhosphorTEX costs $0.99 up front. Unit Converter sells 3 in-app purchases, starting at $0.99 per month. PhosphorTEX asks for nothing beyond the download.

UpkeepUpdate frequency

Unit Converter ships an update weekly, PhosphorTEX every 5 months. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

Scorecard5 real differences · 5 level
Unit Converter versus PhosphorTEX: the parameters behind the verdict, then further details
ParameterUnit ConverterPhosphorTEX
PriceFree — better$0.99
Rating4.8 (1.5K ratings) — better—
Positive reviews87.6% of reviews—
Number of ratings1.5K — better—
Update frequencyWeekly — betterEvery 5 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.6 — better26.4
Further details — not scored
Size13 MB3 MB
Age rating4+4+
DeveloperScott DeSapioStuart Woolley

Bugs and requests

Unit Converter

Reported bugs

2 issues
  • Crashes or freezes on some devices
  • Conversion results not displaying properly

Requested features

3 requests
  • Ability to customize order of conversion units
  • Addition of more specialized units (e.g. astronomical distances)
  • Improved scrolling functionality on all devices

PhosphorTEX

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Unit Converter

Subscriptions2
  • Mila's Tools PRO Monthly$0.991 Month
  • Mila's Tools PRO Yearly$6.991 Year
One-time1
  • Mila's Tools PRO Lifetime$9.99
None

PhosphorTEX

No in-app purchases

Questions

Is Unit Converter free?
Unit Converter is free to download, with in-app purchases available.
Is PhosphorTEX free?
PhosphorTEX costs $0.99, with no in-app purchases.
Do Unit Converter or PhosphorTEX have ads?
Unit Converter shows ads; PhosphorTEX does not.
Which is updated more often, Unit Converter or PhosphorTEX?
Unit Converter ships an update weekly, and PhosphorTEX every 5 months. Most recently, Unit Converter was updated on October 15, 2026 and PhosphorTEX on October 11, 2026.

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