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 app offers a wide range of unit conversions for various measurements, from temperature to length. It features a user-friendly interface, customizable themes, and smart features that remember your frequent conversions. It also links to external apps for specialized tasks.

Highlights
  • Broad conversion spectrum
  • Personalizable themes
  • User-friendly interface
  • Smart features for frequent conversions
  • Links to specialized external apps
Features
Read full description

Discover the ultimate convenience in unit conversion with Unit Converter, an app that's as adaptable as it is accurate. Designed for anyone who deals with diverse measurements, this app not only provides a wide array of conversion options but also links to external applications for specialized tasks. Features: - Broad Conversion Spectrum: From temperatures to lengths, and angles to velocities, convert between various units with confidence. Our app supports an extensive range of categories to cater to all your conversion needs. - Personalizable Themes: Enjoy a personalized experience with our selection of themes. Whether you're a fan of minimal light modes or prefer the sleekness of dark themes, our app is designed to suit your aesthetic. - User-Friendly Interface: With its intuitive design, our app makes navigation and conversion simple and efficient. Instantly find the category you need with our clear and identifiable icons. - Smart Features: Our app remembers your most-used conversions, streamlining your tasks and enhancing productivity. - Unit Converter is not just an app; it's a comprehensive tool that bridges the gap to specialized applications, ensuring you're equipped for every measuring task. It's ideal for academics, professionals, and everyday life. Download Unit Converter now for a smarter, more connected way to handle all your unit conversion needs! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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 Converter4 screens
UnitDeck4 screens

Verdict

The call

The clearest difference is ads: UnitDeck at none against Unit Converter's shown. UnitDeck also leads on update cadence (every 2 weeks vs every 13 months). On price, in-app purchases, device support and iOS requirement 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. Unit Converter sells 2 in-app purchases, starting at $4.99 per month and UnitDeck sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Unit Converter ships an update every 13 months, UnitDeck every 2 weeks. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 7 level
Unit Converter versus UnitDeck: the parameters behind the verdict, then further details
ParameterUnit ConverterUnitDeck
PriceFreeFree
Rating4.8 (13 ratings) — better—
Number of ratings13 — better—
Update frequencyEvery 13 monthsEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 — better17.0
Further details — not scored
Size50 MB3 MB
Age rating4+4+
DeveloperxNeat.com建辉 刘

In-app purchases

2 purchases

Unit Converter

Subscriptions2
  • Unit Converter3 Days trial$4.991 Month
  • Unit Converter3 Days trial$39.991 Year
1 purchases

UnitDeck

One-time1
  • UnitDeck Pro – Lifetime$3.99

Questions

Is Unit Converter free?
Unit Converter is free to download, with in-app purchases available.
Is UnitDeck free?
UnitDeck is free to download, with in-app purchases available.
Do Unit Converter or UnitDeck have ads?
Unit Converter shows ads; UnitDeck does not.
Which is updated more often, Unit Converter or UnitDeck?
Unit Converter ships an update every 13 months, and UnitDeck every 2 weeks. Most recently, Unit Converter was updated on October 29, 2026 and UnitDeck on October 25, 2026.

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