Comparison

UnitMaster vs EXCORDER

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

Head to head
About

UnitMaster

Features
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UnitMaster — Converter Tool is the easiest way to convert units across a wide range of categories — from everyday measurements to specialized technical units. Whether you’re a student, engineer, traveler, or just curious, UnitMaster gives you accurate results, fast and with a clean, intuitive interface. KEY FEATURES ALL-IN-ONE CONVERTER • Length, Weight, Temperature, Volume, Area, Time, Speed, Energy • 8+ categories with 100+ built-in units • Support for custom unit creation • Real-time conversion as you type SMART FAVORITES & HISTORY • Save frequently used conversions for instant access • Automatic conversion history tracking • Quick access to recent calculations • Never lose your important conversions again ADVANCED UNIT CALCULATOR • Chain multiple conversions together • Save complex calculation sequences • Built-in calculator for multi-step conversions • Perfect for engineering, cooking, and academic use BEAUTIFUL & INTUITIVE DESIGN • Modern, clean interface with smooth animations • Dark mode support for comfortable nighttime use • Optimized for both iPhone and iPad • Haptic feedback for satisfying interactions CUSTOM UNITS • Create your own custom units • Perfect for specialized needs and hobbies • Easy setup with base unit reference • Organize by category for quick access UNIVERSAL APP • Full iPad support with sidebar navigation • iPhone-optimized with tab bar interface • Works offline - no internet required • Lightweight and fast performance PERFECT FOR: Students & Educators - Academic calculations and homework Cooks & Bakers - Recipe conversions and measurements Engineers & Architects - Professional unit calculations Travelers - Currency-free unit conversions abroad Fitness Enthusiasts - Distance, weight, and energy conversions Professionals - Business and technical calculations CATEGORIES INCLUDED: • Length (meters, feet, inches, miles, kilometers) • Weight (grams, pounds, ounces, kilograms) • Temperature (Celsius, Fahrenheit, Kelvin) • Volume (liters, gallons, cups, milliliters) • Area (square meters, square feet, acres) • Time (seconds, minutes, hours, days) • Speed (km/h, mph, m/s, knots) • Energy (joules, calories, watt-hours) WHY CHOOSE CONVERTLY? 100% Free - No hidden costs or subscriptions Privacy First - No data collection, everything stays on your device Regular Updates - New features and units added frequently User-Friendly - Designed for everyone from beginners to experts Download Convertly today and experience the simplest, most powerful unit converter on the App Store. Say goodbye to confusing conversion websites and hello to instant, accurate results right at your fingertips!

About

EXCORDER

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EXCORDER — Turn Your Smartphone into a Pocket Sensor. See. Hear. Measure. Visualize the invisible. EXCORDER transforms your smartphone into a retro-futuristic sensor interface inspired by classic science-fiction spacecraft. Explore information from your device's camera, location services, compass, magnetic field, motion sensors, microphone, and more — all through a distinctive instrument-style interface. 【MAIN FEATURES】 ■ OVERVIEW View real-time information from your smartphone's available sensors in a unified dashboard. ■ REAR IMAGING Display the rear camera feed with overlays showing device orientation, heading, and other sensor information. Generate a simulated visible-light spectrum from RGB image data. Note: The simulated spectrum is an approximation derived from RGB values, not an actual spectrometer measurement. LiDAR-based distance measurements are available only on supported iPhone models. Distance measurement is not currently supported on Android. ■ NAVIGATION Explore location and motion information, including: - GPS location - Heading and altitude - Magnetic field - Acceleration and other sensor data ■ ASTRO VIEW (NEW IN 1.3.0) Observe the Moon and Sun using astronomical calculations based on your current location and date. Features include: - Eight Moon phase categories - Moon illumination percentage - Moon azimuth and elevation - Moonrise and moonset - Sun azimuth and elevation - Sunrise and sunset - 3D celestial sphere displaying the Moon and Sun - AZ FOLLOW: Follow your device's heading - NORTH LOCK: Keep the view aligned with north Astronomical calculations are performed on your device. ■ AUDIO Explore acoustic information and listen to internet radio stations from around the world. Internet Radio features: - Search by station name - Search by country - Discover nearby stations - Favorites and listening history - RND random station selection - Background playback - Live speech transcription and translation where supported Station information is obtained through the Radio Browser API. Audio playback connects directly to each station's streaming server. Note: Internet radio recording, downloading, and redistribution are not supported. Speech transcription and translation availability depends on your device, language, and operating environment. ■ BIO Explore the BIO interface using information available from your device. ■ VOICE LOG (NEW IN 1.3.0) Record your personal observations as voice logs. Features include: - Record and save personal audio notes - Browse recording history - Play and delete recordings - Share audio files Recordings are stored locally in AAC (.m4a) format. Note: VOICE LOG is intended for personal recordings and does not support recording internet radio streams. ■ STAR DATE (NEW IN 1.3.0) Display a science-fiction-inspired STAR DATE alongside your local date and time. 【WHAT'S NEW IN VERSION 1.3.0】 - Extended cumulative free trial from 3 to 10 minutes - New ASTRO VIEW with Moon and Sun observations - New personal VOICE LOG recording - STAR DATE and local time display - Random internet radio station selection - Improved radio metadata display - Improved Bluetooth Now Playing information - Automatic restoration of the last opened page - Saved VOICE DECODE language preferences - Refined interface layouts and colors 【FREE TRIAL AND FULL UNLOCK】 EXCORDER is free to download. Explore its features with a cumulative 10-minute free trial. For continued use, unlock the full experience with a one-time in-app purchase. No subscription required. 【IMPORTANT NOTES】 - Available features and sensors depend on your device. - Sensor accuracy varies depending on hardware and environmental conditions. - Noise and vibration readings are for reference only and are not intended for official or certified measurements. - Astronomical information is calculated and may differ from actual observations due to local conditions. Turn your smartphone into a pocket sensor with EXCORDER.

Screenshots

UnitMaster4 screens
EXCORDER4 screens

Verdict

The call

The clearest difference is price: EXCORDER at Free against UnitMaster's $0.99. EXCORDER also leads on update cadence (weekly vs every 5 months). UnitMaster's advantage is in-app purchases (none vs 1) and device support (3 vs 1). 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

EXCORDER is free to download; UnitMaster costs $0.99 up front. EXCORDER sells 1 one-off in-app purchase. UnitMaster asks for nothing beyond the download.

UpkeepUpdate frequency

UnitMaster ships an update every 5 months, EXCORDER weekly. Both last shipped on October 25, 2026.

Scorecard5 real differences · 1 level
UnitMaster versus EXCORDER: the parameters behind the verdict, then further details
ParameterUnitMasterEXCORDER
Price$0.99Free — better
Update frequencyEvery 5 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better26.0
Further details — not scored
Size4 MB5 MB
Age rating4+4+
DeveloperHarshad JadavTsutomu Mamiya

In-app purchases

None

UnitMaster

No in-app purchases

1 purchases

EXCORDER

One-time1
  • EXCORDER Full Version$4.99

Questions

Is UnitMaster free?
UnitMaster costs $0.99, with no in-app purchases.
Is EXCORDER free?
EXCORDER is free to download, with in-app purchases available.
Do UnitMaster or EXCORDER have ads?
Neither UnitMaster nor EXCORDER shows ads.
Which is updated more often, UnitMaster or EXCORDER?
UnitMaster ships an update every 5 months, and EXCORDER weekly. Most recently, UnitMaster was updated on October 25, 2026 and EXCORDER on October 25, 2026.

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