Best Calculator & Converters Apps

249+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated November 2026

Finding the right calculator & converters apps can be overwhelming with so many options. We've analyzed 249+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Calculator & Converters 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
3Calculator & ConvertersCalculator & Converters$1.99—NoNoNov 2026
4Smart Calculator and ConverterSmart Calculator and ConverterFree—YesYesMay 2026
5Calculator‰Calculator‰Free4.9★ (410K)YesNoNov 2026
6Calculator: No Ads / Ad-FreeCalculator: No Ads / Ad-FreeFree4.7★ (4.8K)NoYesNov 2026
7Calculator +Calculator +Free4.6★ (10K)YesYesNov 2026
8Calculator%.Calculator%.Free4.4★ (4.2K)YesNoNov 2026

Top Picks for Calculator & Converters

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

More Calculator & Converters apps to explore

FAQ about Calculator & Converters

What are the best calculator & converters apps for iPhone?
Currency converter calculator! tops our calculator & converters 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 & converters 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 & converters apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.