Comparison

TPCalc vs Unit Converter Pro

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

Head to head
About

TPCalc

Features
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TPCalc makes it easy to set up your bike tires with the right pressure. Just enter your weight, bike weight, and tire size, and the app calculates recommended front and rear pressures. The app adjusts results based on bike type and weight distribution, helping you get the right balance of comfort, grip, and rolling efficiency. Whether you ride road, gravel, mountain, or touring bikes, TPCalc takes the guesswork out of tire setup and makes every ride smoother.

About

Unit Converter Pro

Features
Read full description

The Ultimate Universal Unit Converter: 1200+ Units, 100+ Categories. Why settle for a basic converter when you can have the entire history and science of measurement in your pocket? Unit Converter Pro is a commercial-grade tool designed for engineers, students, designers, travelers, and curious minds. From the dawn of civilization to the frontiers of subatomic physics, we cover it all. KEY FEATURES: β–Ά 100+ DIVERSE CATEGORIES β€’ Foundational: Length, Weight, Area, Volume, Speed, Time. β€’ Professional Engineering: Pressure, Force, Torque, Thermal Conductivity, Specific Entropy, Viscosity. β€’ Tech & Design: HSL/HSV Color Spaces, Hex, RGB, Unix Timestamps, Pixel Density (PPI), Aspect Ratio, Digital Storage. β€’ Scientific Mastery: Molar Energy, Magnetic Flux, Electric Field Strength, Radiation (Sievert/Gray), Chemical Amount (Moles). β€’ Global Lifestyle: International Shoe & Clothing Sizes (US, UK, EU, JP), Bra Sizes, Jewelry Karat, Dog Years, BMI Calculator. β€’ Historical Encyclopedia: Ancient Sumerian, Egyptian, Maya, Aztec, Chinese, Japanese, Indian, Roman, Greek, Persian, and Norse units. β–Ά DESIGNED FOR ACCURACY β€’ High-Precision Math: Advanced algorithms for non-linear scales (Beaufort Wind Scale, Baking Gas Marks). β€’ Smart Formatting: Supports fractions, percentages, and complex numeric bases (Binary, Octal, Hexadecimal). β€’ Smart Input: Automatically switches between numeric and text keyboards based on the unit type. β–Ά ELITE USER EXPERIENCE β€’ Ultra-Fast Search: Find any category or unit instantly with real-time filtering. β€’ History & Bookmarks: Save your frequent conversions and access your last 50 records. β€’ Modern Material 3 UI: A beautiful, responsive interface with smooth animations and full Dark Mode support. β€’ Quick Actions: Copy to clipboard, share results, or swap units with a single tap. β–Ά GLOBAL & OFFLINE β€’ Currency Reference: Quick access to major global currency rates. β€’ 100% Offline: Core conversion logic works anywhere, anytimeβ€”no internet required. β€’ Privacy First: We don’t collect your personal data. Whether you are baking a cake, designing a mobile app, calculating thermodynamic entropy, or studying ancient Mesopotamian ruins, Unit Converter Pro provides the precision you need. Download the world's most comprehensive conversion tool today!

Screenshots

TPCalc4 screens
Unit Converter Pro3 screens

Verdict

The call

The clearest difference is in-app purchases: Unit Converter Pro at none against TPCalc's 1. Unit Converter Pro also leads on update cadence (every 3 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. TPCalc sells 1 one-off in-app purchase. Unit Converter Pro asks for nothing beyond the download.

UpkeepUpdate frequency

TPCalc ships an update every 4 months, Unit Converter Pro every 3 days. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

Scorecard2 real differences Β· 4 level
TPCalc versus Unit Converter Pro: the parameters behind the verdict, then further details
ParameterTPCalcUnit Converter Pro
PriceFreeFree
Update frequencyEvery 4 monthsEvery 3 days β€” better
AdsYesYes
In-app purchasesYesNo β€” better
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.013.0
Further details β€” not scored
Size21 MB188 MB
Age rating4+4+
DeveloperAhmet Erhan ErsanZehras Ahmele

In-app purchases

1 purchases

TPCalc

One-time1
  • Remove Ads$1.49
None

Unit Converter Pro

No in-app purchases

Questions

Is TPCalc free?
TPCalc is free to download, with in-app purchases available.
Is Unit Converter Pro free?
Unit Converter Pro is free to download, with no in-app purchases.
Do TPCalc or Unit Converter Pro have ads?
Both TPCalc and Unit Converter Pro show ads.
Which is updated more often, TPCalc or Unit Converter Pro?
TPCalc ships an update every 4 months, and Unit Converter Pro every 3 days. Most recently, TPCalc was updated on October 7, 2026 and Unit Converter Pro on October 12, 2026.

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