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Best Orenda Calculator Apps

248+ iOS apps curated and reviewed

3.8 avg rating
18 free apps
Updated October 2026

Finding the right orenda calculator apps can be overwhelming with so many options. We've analyzed 248+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Orenda Calculator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1OrendaOrendaFree4.7★ (478)NoNoOct 2026
2Calculator‰Calculator‰Free4.9★ (410K)YesNoOct 2026
3Calculator for iPad!Calculator for iPad!Free4.7★ (61K)NoNoOct 2026
4Calculator - GetTogetherCalculator - GetTogetherFree—NoNoAug 2026
5Calculator - Basic & NoAdsCalculator - Basic & NoAdsFree2.0★ (1)NoNoMay 2026
6Calculator You LikeCalculator You LikeFree—NoYesMay 2026
7Calculator :)Calculator :)Free3.0★ (1)NoNoMay 2026
8Calculatir - CalculatorCalculatir - CalculatorFree—NoYesJun 2026

Top Picks for Orenda Calculator

Orenda#1

Orenda by Hasa Inc.

Pool Calculator and Education
Editor's Choice
📊 Productivity
4.7😊(478 ratings)
Free
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This app helps you master pool chemistry by accurately calculating chemical dosages and balancing water based on the LSI. It offers a user-friendly experience for both novices and professionals, including a volume estimator and educational videos.

What We Love

  • 🚀 Easy to use
  • 💡 Helpful for pool maintenance
  • 🚀 Simplifies pool chemistry
  • 👍 Provides valuable information
  • 👍 Great educational resources
  • 👍 Useful app for pool professionals

Room to Improve

  • 🐛 Issues with updating desired levels
  • 🐛 Metric system not working properly
  • 🐛 Difficult to input readings
  • 🐛 Lack of history/logging functionality
Calculator‰#2

Calculator‰ by Tim O's Studios, LLC

Default Calculator
Strong Contender
🔧 Utilities
4.9😊(410K ratings)
FreeAds
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This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.

What We Love

  • 👍 Easy to use
  • 👍 Large, clear buttons
  • 👍 Accurate calculations
  • 👍 Simple, no-frills design
  • 👍 Reliable and stable
  • 👍 Helpful for visual impairments

Room to Improve

  • 🔍 Lack of advanced features
  • 💰 Ads can be intrusive
  • 🔒 Concerns about security/malware
  • 🐛 Occasional bugs and glitches
Calculator for iPad!#3

Calculator for iPad! by 7th Gear

Basic & Scientific Calculator
Worth Considering
🔧 Utilities
4.7😊(61K ratings)
Free
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This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

What We Love

  • 📐 Versatile calculator with basic and scientific modes
  • 📝 Useful note-taking and calculation history features
  • 🎨 Customizable color schemes
  • 💻 Works well on both iPad and iPhone
  • 👍 Easy to use and intuitive interface

Room to Improve

  • 💰 Ads can be intrusive in free version
  • 🔒 Lack of transparency around in-app purchases
  • 🔍 Difficulty finding and accessing premium features
  • 🖥️ Layout issues in split-screen mode
  • 🔢 Inconsistent button placement between portrait and landscape

More Orenda Calculator apps to explore

FAQ about Orenda Calculator

What are the best orenda calculator apps for iPhone?
Orenda tops our orenda calculator apps ranking as of October 2026, with a 4.7-star average from 478 App Store ratings, and it's free to download.
Yes — 18 of the top orenda calculator apps we rank are free to download, including Orenda and Calculator‰.
Orenda has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 248+ orenda calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.