Best Calculator Converter Apps

249+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated November 2026

If you already know Currency converter calculator!, this is the deeper bench. 249+ calculator converter apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of November 2026.

Compare top Calculator Converter Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Currency converter calculator!Currency converter calculator!Free4.7★ (73K)YesYesNov 2026
2Calculator₊Calculator₊Free4.7★ (1.7M)YesYesNov 2026
3Unit Converter - Best Unit AppUnit Converter - Best Unit AppFree4.8★ (200K)YesYesNov 2026
4All-In-1 Converter CalculatorAll-In-1 Converter CalculatorFree—YesYesOct 2026
5Unit Converter - Convert allUnit Converter - Convert allFree4.6★ (14K)YesYesNov 2026
6Calculator & Unit ConvertersCalculator & Unit ConvertersFree——NoOct 2026
7Calculator for iPad!Calculator for iPad!Free4.7★ (61K)NoNoNov 2026
8ConvCalc Calculator ConverterConvCalc Calculator ConverterFree4.8★ (5)NoNoNov 2026

Top Picks for Calculator Converter

4.7😐(73K ratings)
FreeAdsIn-App Purchases
Currency converter calculator! screenshot 1
Currency converter calculator! screenshot 2
Currency converter calculator! screenshot 3

This app provides real-time exchange rates for all world currencies, including cryptocurrencies, and functions offline. It features an embedded calculator, the ability to set custom rates, and updates hourly. An optional premium version removes ads and offers additional features.

What We Love

  • 👍 Easy to use
  • 🚀 Fast and accurate currency conversions
  • 💡 Helpful for travel and international transactions
  • 🔒 Offline functionality

Room to Improve

  • 🔍 Limited currency options in free version
  • 💰 Subscription required to unlock full features
  • 📢 Excessive advertisements
  • 🐛 Bugs and crashes reported
Calculator₊#2

Calculator₊ by Impala Studios

Basic, Scientific, Plus Calc
Strong Contender
🔧 Utilities
4.7😞(1.7M ratings)
FreeAdsIn-App Purchases
Calculator₊ screenshot 1
Calculator₊ screenshot 2
Calculator₊ screenshot 3
Calculator₊ screenshot 4
Calculator₊ screenshot 5
Calculator₊ screenshot 6

This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversions. It features an AI-powered math solver that can solve problems from photos and provides a dedicated space for math notes. Accessibility features ensure ease of use for all users.

What We Love

  • 💻 Useful calculator features
  • 🎨 Customizable backgrounds and themes
  • 📚 Helpful history tracking

Room to Improve

  • 📺 Intrusive full-screen ads
  • 💰 Expensive subscription model
  • 🔍 Ads blocking calculator functionality
Unit Converter - Best Unit App#3

Unit Converter - Best Unit App by Alan Mrvica

Convert All Units and Currency
Worth Considering
✈️ Travel
4.8😊(200K ratings)
FreeAdsIn-App Purchases
Unit Converter - Best Unit App screenshot 1
Unit Converter - Best Unit App screenshot 2
Unit Converter - Best Unit App screenshot 3
Unit Converter - Best Unit App screenshot 4
Unit Converter - Best Unit App screenshot 5
Unit Converter - Best Unit App screenshot 6

Easily convert between a wide range of units across 20 categories, including length, weight, temperature, and more. Features live currency updates for 155 world currencies, refreshed daily. Designed for simplicity and visual appeal.

What We Love

  • 🚀 Easy to use
  • 👍 Comprehensive conversions
  • 💡 Useful for travel and cooking
  • 🚀 Quick and efficient
  • 👍 Intuitive interface

Room to Improve

  • 🐛 Limited character input
  • 🐛 Difficulty with negative numbers
  • 💡 Lack of ability to quickly switch between conversions
  • 💰 Pro version not worth the cost

More Calculator Converter apps to explore

FAQ about Calculator Converter

What are the best calculator converter apps for iPhone?
Currency converter calculator! tops our calculator converter apps ranking as of November 2026, with a 4.7-star average from 73K App Store ratings, and it's free to download.
Yes — 19 of the top calculator converter apps we rank are free to download, including Currency converter calculator! and Calculator₊.
Currency converter calculator! shows ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 249+ calculator converter apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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