Best Prefresh Pen Size Calculator Apps

248+ iOS apps curated and reviewed

4.4 avg rating
17 free apps
Updated October 2026

With an average user rating of 4.4★, the prefresh pen size calculator category is one of the App Store's strongest. Browse all 248+ apps we track, sorted so the most loved ones surface first.

Compare top Prefresh Pen Size Calculator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1PreFresh Pen Size CalculatorPreFresh Pen Size CalculatorFree—NoNoOct 2026
2Calculator‰Calculator‰Free4.9★ (410K)YesNoNov 2026
3Calculator for iPad!Calculator for iPad!Free4.7★ (61K)NoNoNov 2026
4Preg CalculatorPreg CalculatorFree—NoNoOct 2026
5Calculator - CalcRightCalculator - CalcRightFree4.8★ (874)NoNoNov 2026
6CalculatorCalculator$1.994.0★ (1)NoNoAug 2026
7Calculator - CalcCalculator - CalcFree4.0★ (3)YesNoOct 2026
8Calculator - iPad VersionCalculator - iPad VersionFree4.0★ (2)NoYesNov 2026

Top Picks for Prefresh Pen Size Calculator

Calculator‰#2

Calculator‰ by Tim O's Studios, LLC

Default Calculator
Strong Contender
🔧 Utilities
4.9😊(410K ratings)
FreeAds
Calculator‰ screenshot 1
Calculator‰ screenshot 2

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
Calculator for iPad! screenshot 1
Calculator for iPad! screenshot 2
Calculator for iPad! screenshot 3
Calculator for iPad! screenshot 4

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 Prefresh Pen Size Calculator apps to explore

FAQ about Prefresh Pen Size Calculator

Are there free prefresh pen size calculator apps for iPhone?
Yes — 17 of the top prefresh pen size calculator apps we rank are free to download, including PreFresh Pen Size Calculator and Calculator‰.
PreFresh Pen Size Calculator has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 248+ prefresh pen size calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.