Comparison

Unit Converter vs UnitDeck

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 tool simplifies unit conversions for various measurements like length, weight, and temperature. It offers instant, precise results with a clean interface, making it ideal for students, professionals, and everyday users needing quick calculations.

Highlights
  • Converts length, weight, temperature, time, speed, area, volume
  • Handles scientific units
  • Instant and precise results
  • Clean and easy-to-use interface
  • Smart calculator for complex problems
  • Saves time and reduces errors
Features
Read full description

Unit Conversion Solver is a fast, accurate, and easy-to-use tool designed to simplify all your unit conversion needs. Whether you’re working with length, weight, temperature, time, speed, area, volume, or scientific units, this app delivers instant results with precision. Built for students, engineers, professionals, and everyday users, Unit Conversion Solver goes beyond basic conversion by helping you understand and solve complex conversion problems. Its clean interface and smart calculator make switching between units effortless, saving you time and reducing errors. From homework and lab work to real-world measurements, Unit Conversion Solver is your reliable companion for quick calculations, accurate results, and stress-free conversions—all in one powerful app.

About

UnitDeck

Features
Read full description

UnitDeck is a fast unit converter and practical calculation toolbox built for real work. Choose your industry and UnitDeck places the conversions you use most on your Home screen. Convert common and specialist units, search by name or symbol, save favorites, keep conversion records, and add simple work notes without digging through long menus. BUILT AROUND YOUR WORK • Industry profiles for trade, logistics, construction, textiles, manufacturing, furniture, electrical work, HVAC, agriculture, energy, marine work, automotive work, and more • 121 conversion categories covering everyday and professional measurements • 25 practical trade calculators for common field and desk workflows • Search by unit name, symbol, or abbreviation • Favorites, recents, saved conversions, notes, configurable precision, and inch fractions FAST AND PRIVATE • Conversion inputs, saved records, and notes stay on your device • No account required • No advertising or cross-app tracking • Core conversion tools work offline UNITDECK PRO The free version includes a useful set of common conversions, tools recommended for your first industry, and limited previews of professional categories. UnitDeck Pro unlocks the complete professional toolbox with one lifetime purchase. It is not a subscription and does not auto-renew. Conversion results are provided for general information, estimation, and workflow assistance. Verify safety-critical, contractual, engineering, medical, financial, or regulated work against applicable standards and qualified professional guidance.

Screenshots

Unit Converter3 screens
UnitDeck4 screens

Verdict

The call

The clearest difference is in-app purchases: Unit Converter at none against UnitDeck's 1. Unit Converter also leads on update cadence (every 2 days vs every 2 weeks) and iOS requirement (15.1 vs 17.0). 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. UnitDeck sells 1 one-off in-app purchase. Unit Converter asks for nothing beyond the download.

UpkeepUpdate frequency

Unit Converter ships an update every 2 days, UnitDeck every 2 weeks. The most recent releases landed on October 21, 2026 and October 19, 2026 respectively.

Scorecard3 real differences · 6 level
Unit Converter versus UnitDeck: the parameters behind the verdict, then further details
ParameterUnit ConverterUnitDeck
PriceFreeFree
Rating3.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 2 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size32 MB3 MB
Age rating4+4+
DeveloperGeorge Corbin建辉 刘

In-app purchases

None

Unit Converter

No in-app purchases

1 purchases

UnitDeck

One-time1
  • UnitDeck Pro – Lifetime$3.99

Questions

Is Unit Converter free?
Unit Converter is free to download, with no in-app purchases.
Is UnitDeck free?
UnitDeck is free to download, with in-app purchases available.
Do Unit Converter or UnitDeck have ads?
Neither Unit Converter nor UnitDeck shows ads.
Which is updated more often, Unit Converter or UnitDeck?
Unit Converter ships an update every 2 days, and UnitDeck every 2 weeks. Most recently, Unit Converter was updated on October 21, 2026 and UnitDeck on October 19, 2026.

Other comparisons