Comparison

Speedcon vs Unit Convert Master

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

Head to head
About

Speedcon

Features
Read full description

This app is a simple tool for converting various speed units easily. Supported units include km/h (kilometers per hour), m/s (meters per second), mph (miles per hour), knots, ft/s (feet per second), cm/s (centimeters per second), and Mach. Using it is incredibly easy. Just enter a value and select the unit, and all other unit conversions will be displayed instantly. No complicated settings or operations required. Main features: - Supported units: km/h, m/s, mph, knots, ft/s, cm/s, Mach - Simple and intuitive design - Instant conversion to all supported units - Additional information on unit meanings and conversion rates - Works offline, no internet connection required This app is useful for students, engineers, pilots in training, and anyone who needs speed conversions. Whether you are comparing train speeds, understanding overseas road speed limits, or handling scientific calculations, this app is a practical tool. Designed for ease of use, this lightweight and fast app ensures quick and reliable speed conversions whenever you need them.

About

Unit Convert Master

Easily convert between over 100 measurement units across 15 categories. This app offers a user-friendly interface, offline functionality, and a history of your conversions for quick access. Ideal for students, professionals, and everyday users needing precise calculations.

Highlights
  • 15+ conversion categories
  • 100+ measurement units
  • Intuitive interface with themes
  • Custom keyboard for input
  • Conversion history with search
  • Offline functionality
Features
Read full description

Transform complex unit conversions into simple tasks with our comprehensive Unit Converter app. Whether you're a student, professional, scientist, engineer, traveler, or home cook, this app has you covered with precise conversions across multiple categories. FEATURES: - 15+ conversion categories including Length, Mass, Temperature, Time, Volume, Area, Speed, Energy, Pressure, Angle, Data Size, Power, Frequency, Radiation, Fuel Economy, and Cooking - 100+ measurement units from common everyday measures to specialized scientific units - Beautiful, intuitive interface with customizable themes - Custom keyboard for easy and accurate input - Swap button to quickly reverse conversion direction - Comprehensive conversion history with search functionality - Copy results with a single tap - Works offline - no internet required CONVERSION CATEGORIES: - Length: meters, feet, inches, miles, light years, and more - Mass: kilograms, pounds, ounces, tons, and specialized units - Temperature: Celsius, Fahrenheit, Kelvin - Time: seconds to years and everything in between - Volume: liters, gallons, cubic meters, and cooking measurements - Area: square meters, acres, square feet, even Japanese tatami - Speed: mph, km/h, m/s, knots, speed of light, and sound - Energy: joules, calories, kilowatt-hours, BTU - Pressure: pascals, bars, psi, atmospheres - Angle: degrees, radians, minutes of arc - Data: bytes, kilobytes up to petabytes - Power: watts, horsepower, BTU/hour - Frequency: hertz, rpm, cycles per second - Radiation: becquerels, curies, grays, rads - Fuel Economy: mpg, km/L, L/100km - Cooking: all essential kitchen measurements

Screenshots

Speedcon2 screens
Unit Convert Master2 screens

Verdict

The call

The clearest difference is in-app purchases: Unit Convert Master at none against Speedcon's 2. Unit Convert Master also leads on update cadence (every 4 months vs every 12 months). Speedcon's advantage is iOS requirement (13.0 vs 18.2). On price, ads and 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

Both are free to download. Speedcon sells 2 in-app purchases, starting at $4.99 per month. Unit Convert Master asks for nothing beyond the download.

UpkeepUpdate frequency

Speedcon ships an update every 12 months, Unit Convert Master every 4 months. The most recent releases landed on September 5, 2026 and September 13, 2026 respectively.

Scorecard3 real differences · 6 level
Speedcon versus Unit Convert Master: the parameters behind the verdict, then further details
ParameterSpeedconUnit Convert Master
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 12 monthsEvery 4 months — better
AdsYesYes
In-app purchasesYesNo — better
Monetization—Ad-supported
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.2
Further details — not scored
Size28 MB4 MB
Age rating4+4+
Developerkota tadaMizuki Hoshida

In-app purchases

2 purchases

Speedcon

Subscriptions2
  • Ad-free for 1 month7 Days trial$4.991 Month
  • Ad-free for 1 year14 Days trial$49.991 Year
None

Unit Convert Master

No in-app purchases

Questions

Is Speedcon free?
Speedcon is free to download, with in-app purchases available.
Is Unit Convert Master free?
Unit Convert Master is free to download, with no in-app purchases.
Do Speedcon or Unit Convert Master have ads?
Both Speedcon and Unit Convert Master show ads.
Which is updated more often, Speedcon or Unit Convert Master?
Speedcon ships an update every 12 months, and Unit Convert Master every 4 months. Most recently, Speedcon was updated on September 5, 2026 and Unit Convert Master on September 13, 2026.

Other comparisons