AppTierList › Unit Conversion › Unit Converter - Pro Units App › Alternatives
10+ Best Unit Converter - Pro Units App Alternatives for iPhone (2026)
Unit Converter - Pro Units App is S tier, #6 of the 19 tiered apps in unit conversion. Here is everything that competes with it on iPhone, in tier order.
Top rated in Unit Conversion
All 18 alternatives, in tier order
- 1
Free + IAP · ★ 4.6 · 67,673 ratings · score 95Converts measurements, currencies and clothing sizes, with live exchange rates and a built-in calculator. - 2
Free download · ★ 4.8 · 25,199 ratings · score 94Converts units across weight, length, temperature, area, volume, speed, time, angle and pressure, plus currencies. - 3
Free + IAP · ★ 4.7 · 23,565 ratings · score 94Unit and currency converter with a built-in calculator, offline rates, and rate charts across 685 units and many. - 4
Free + IAP · ★ 4.8 · 114,199 ratings · score 93Converts between 160+ currencies and many physical units, with a favorites list and offline use of saved currency rates. - 6
Free + IAP · ★ 4.7 · 7,428 ratings · score 93Unit converter covering 12 categories and 140+ units, with themes, favorites, custom unit order, and email sharing of. - 7
Free + IAP · ★ 4.4 · 200,411 ratings · score 90Free calculator with scientific functions, unit and currency conversion, and a world clock for iPhone, iPad and Apple. - 8
Free + IAP · ★ 4.7 · 2,642 ratings · score 88Unit converter covering 31 categories, including length, weight, temperature, dates, number systems and ring sizes. - 9
Free + IAP · ★ 4.6 · 30,487 ratings · score 88Calculator and unit converter with a history tape, expression view, 500+ units and an Apple Watch extension. - 10
Free download · ★ 4.6 · 7,898 ratings · score 87Free calculator app with 40+ calculators and unit converters covering finance, health, date and time, construction. - 11
Free + IAP · ★ 4.8 · 403,031 ratings · score 87Converts between units across 20 categories, including currency with daily exchange rate updates. - 12
Free download · ★ 4.6 · 85,091 ratings · score 77Converts units across 51 categories, using type-ahead search by unit name or abbreviation. - 13
$9.99 · ★ 4.8 · 12,600 ratings · score 70Converts units across 53 categories, with type-ahead unit search and automatic category selection. - 14
Free + IAP · ★ 4.7 · 4,643 ratings · score 64Unit and currency converter with calculators for mortgage, loan, tip, fuel consumption and other everyday tasks. - 15
Free + IAP · ★ 4.7 · 3,370 ratings · score 62Unit converter for length, weight, temperature, speed, data, volume, area and time, with optional currency rates. - 16
$19.99 · ★ 4.8 · 14,092 ratings · score 62Converts 12 categories of units and 155 world currencies, with currency rates refreshed every 15 minutes while the app. - 17
Free + IAP · ★ 4.7 · 32 ratings · score 60Converts units across 30+ categories and includes a reference of 180+ physical constants, offline and ad-free. - 18
Free + IAP · ★ 4.8 · 4,696 ratings · score 60Calculator app for U.S. And metric unit conversions, weight, geometry and dimensional math on iPhone and iPad. - 19
Free + IAP · ★ 4.7 · 2,860 ratings · score 58Unit and currency converter with customizable lists, 24 conversion types and saved offline currency rates.
Questions people ask
- What is the best alternative to Unit Converter - Pro Units App on iPhone?
- Unit Converter - Convert all, S tier, #1 in unit conversion.
- Is there a free alternative to Unit Converter - Pro Units App?
- Yes: Unit Converter - Convert all (S tier, #1) is free to download, with in-app purchases.
- Does anything rank above Unit Converter - Pro Units App?
- Yes. 4 apps rank above it in unit conversion: Unit Converter - Convert all (#1), Metric Conversion tool (#2), Conversion Calculator Plus (#3) and more.