Converter Units & Calculator vs UnitDeck
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Converter Units & Calculator
Read full descriptionHide full description
Unit Converter & Calculator β your all-in-one conversion tool. Instantly convert between hundreds of units across multiple categories. Whether you're a student, engineer, traveler, or just need a quick conversion, this app has everything you need. CONVERTER Convert Length, Weight, Area, Volume, Temperature, Time, Speed, Data Storage, and Currency with live exchange rates. SCIENTIFIC Advanced conversions for Force, Pressure, Energy, Power, Torque, Density, Viscosity, Frequency, Voltage, Resistance, and more. FINANCIAL CALCULATORS Tip Calculator, Tax Calculator, Loan Calculator, Mortgage Calculator, Discount Calculator, Interest Calculator, and Salary Converter. TOOLS BMI Calculator, Age Calculator, Cooking Converter, Shoe & Clothing Size Converter, Stopwatch, World Clock, Date Calculator, Number Converter (Binary, Hex, Roman), and Percentage Calculator. KEY FEATURES - Instant conversion as you type - 50+ categories and 500+ units - Works completely offline - Clean, native iOS design - Light and Dark mode support - Favorites and history - Copy and share results instantly SUBSCRIPTION INFORMATION Unit Converter & Calculator offers a weekly subscription to unlock all premium features including unlimited access to all converters, scientific tools, financial calculators, ad-free experience, and unlimited history. - Weekly subscription: $4.99/week - Lifetime access: $19.99 (one-time purchase) Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription. Privacy Policy: https://github.com/MAAlsaleh0/UnitConverterApp_Legal/blob/main/PrivacyPolicy.md Terms of Use: https://github.com/MAAlsaleh0/UnitConverterApp_Legal/blob/main/TermsOfUse.md
UnitDeck
Read full descriptionHide 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
Verdict
The clearest difference is update cadence: Converter Units & Calculator at every 2 days against UnitDeck's every 2 weeks. On price, ads, in-app purchases and device support 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
Both are free to download. Converter Units & Calculator sells 2 in-app purchases, starting at $4.99 per 7 days and UnitDeck sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Converter Units & Calculator ships an update every 2 days, UnitDeck every 2 weeks. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.
| Parameter | Converter Units & Calculator | UnitDeck |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days β better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 β better |
| Further details β not scored | ||
| Size | 10 MB | 3 MB |
| Age rating | 12+ | 4+ |
| Developer | Mohammed Alsaleh | ε»ΊθΎ ε |
In-app purchases
Converter Units & Calculator
- Weekly$4.997 Days
- Lifetime$19.99
UnitDeck
- UnitDeck Pro β Lifetime$3.99
Questions
Is Converter Units & Calculator free?
Is UnitDeck free?
Do Converter Units & Calculator or UnitDeck have ads?
Which is updated more often, Converter Units & Calculator or UnitDeck?
Other comparisons















