Comparison

Multi Calculator vs UnitDeck

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

Head to head
About

Multi Calculator

Features
Read full description

[Overview] Multi Calculator is the ultimate calculation tool for your everyday needs. Featuring a clean, intuitive design and a wide range of specialized calculators, it helps you solve complex math, financial, and unit conversion problems in seconds. [Key Features] β€’ Standard Calculator: Simple yet powerful with history records and math operators. β€’ Currency Converter: Real-time exchange rates with offline mode support. β€’ Percent Calculator: Quickly calculate percentage increases, decreases, and ratios. β€’ Shopping Calculator: Find the best deals by calculating discounts, unit prices, and final costs while you shop. β€’ Time Calculator: Easily add or subtract time durations and calculate intervals between two dates. β€’ Tip & Split Bill: Perfect for dining out! Calculate tips and split the bill among friends instantly. β€’ Unit Converter: Supports Length, Weight, Volume, Temperature, Speed, and more. β€’ Interest & Loan: Simple and compound interest, plus mortgage repayment plans. β€’ Fuel & Anniversary: Track fuel economy and manage your important D-Day counters. [Why Choose Multi Calculator?] β€’ Intuitive and user-friendly interface. β€’ Lightweight and fast performance. β€’ Essential tools for travelers, students, and professionals alike. - Privacy Policy: https://www.lemonclip.com/app/privacy/privacy-policy-en.html - Terms of Use (EULA): 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 β€’ Industry profiles for trade, logistics, construction, textiles, manufacturing, furniture, electrical work, HVAC, agriculture, energy, marine work, automotive work, and more β€’ 121 conversion categories covering everyday and professional measurements β€’ 25 practical trade calculators for common field and desk workflows β€’ Search by unit name, symbol, or abbreviation β€’ Favorites, recents, saved conversions, notes, configurable precision, and inch fractions FAST AND PRIVATE β€’ Conversion inputs, saved records, and notes stay on your device β€’ No account required β€’ No advertising or cross-app tracking β€’ 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

Multi Calculator4 screens
UnitDeck4 screens

Verdict

The call

The clearest difference is ads: UnitDeck at none against Multi Calculator's shown. UnitDeck also leads on update cadence (every 2 weeks vs every 4 months). On price, in-app purchases, 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. Multi Calculator sells 3 in-app purchases, starting at $0.99 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

Multi Calculator ships an update every 4 months, UnitDeck every 2 weeks. The most recent releases landed on October 12, 2026 and October 19, 2026 respectively.

Scorecard2 real differences Β· 4 level
Multi Calculator versus UnitDeck: the parameters behind the verdict, then further details
ParameterMulti CalculatorUnitDeck
PriceFreeFree
Update frequencyEvery 4 monthsEvery 2 weeks β€” better
AdsYesNo β€” better
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.617.0 β€” better
Further details β€” not scored
Size11 MB3 MB
Age rating4+4+
DeveloperLemonClipε»ΊθΎ‰ 刘

In-app purchases

3 purchases

Multi Calculator

Subscriptions2
  • Monthly7 Days trial$0.991 Month
  • Annual7 Days trial$4.991 Year
One-time1
  • Lifetime$9.99
1 purchases

UnitDeck

One-time1
  • UnitDeck Pro – Lifetime$3.99

Questions

Is Multi Calculator free?
Multi Calculator is free to download, with in-app purchases available.
Is UnitDeck free?
UnitDeck is free to download, with in-app purchases available.
Do Multi Calculator or UnitDeck have ads?
Multi Calculator shows ads; UnitDeck does not.
Which is updated more often, Multi Calculator or UnitDeck?
Multi Calculator ships an update every 4 months, and UnitDeck every 2 weeks. Most recently, Multi Calculator was updated on October 12, 2026 and UnitDeck on October 19, 2026.

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