Unitify vs UnitDeck
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Unitify
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Unit conversion app, simple, quick, and easy to use. App Features: β’ App includes so many unit measurements. β’ Save your favorite unit conversion for fast and easy access. β’ Show/Hide unit groups based on your preference. β’ Easy in-app search. β’ Quick search by typing the unit you want to convert from, in the Spotlight search.
UnitDeck
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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 in-app purchases: Unitify at none against UnitDeck's 1. Unitify also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads 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. UnitDeck sells 1 one-off in-app purchase. Unitify asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 15, 2026 and October 19, 2026 respectively.
| Parameter | Unitify | UnitDeck |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 15.0 β better | 17.0 |
| Further details β not scored | ||
| Size | 5 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Marwa Abou Niaaj | ε»ΊθΎ ε |
In-app purchases
Unitify
No in-app purchases
UnitDeck
- UnitDeck Pro β Lifetime$3.99









