Best Scientific Apps

249+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated October 2026

Every iPhone needs a few good scientific apps. We benchmark 249+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Scientific Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Desmos Scientific CalculatorDesmos Scientific CalculatorFree4.3★ (335)NoNoOct 2026
2Scientific Calculator fx-991Scientific Calculator fx-991Free4.6★ (446)YesYesOct 2026
3Scientific Calculator Plus 991Scientific Calculator Plus 991Free4.7★ (13K)YesYesNov 2026
4Scientific AmericanScientific AmericanFree4.8★ (10K)NoYesNov 2026
5Scientific GroupScientific GroupFree—NoNoAug 2026
6HiPER Scientific CalculatorHiPER Scientific CalculatorFree4.7★ (275)YesYesOct 2026
7Scientific AltimeterScientific AltimeterFree—NoNoMay 2026
8Scientific CalqonScientific CalqonFree—NoYesOct 2026

Top Picks for Scientific

4.3(335 ratings)
Free
Desmos Scientific Calculator screenshot 1
Desmos Scientific Calculator screenshot 2
Desmos Scientific Calculator screenshot 3

This app offers a powerful scientific calculator with a wide range of functions for trigonometry, statistics, and combinatorics. Users can define and evaluate their own functions, assign values to variables, and view multiple expressions simultaneously. It works offline and is completely free to use.

Scientific Calculator fx-991#2

Scientific Calculator fx-991 by Dinh Phuc

Step-by-step Math Solver
Strong Contender
📚 Education
4.6😊(446 ratings)
FreeAdsIn-App Purchases
Scientific Calculator fx-991 screenshot 1
Scientific Calculator fx-991 screenshot 2
Scientific Calculator fx-991 screenshot 3
Scientific Calculator fx-991 screenshot 4
Scientific Calculator fx-991 screenshot 5
Scientific Calculator fx-991 screenshot 6

This app provides a powerful scientific calculator with step-by-step solutions for equations, advanced functions, and graphing capabilities. It includes a formula library and unit converter, inspired by a popular Casio model, to aid in learning and problem-solving for math and science subjects.

What We Love

  • 👍 Very helpful for classes
  • 💰 Free to use
  • 👍 Useful without physical calculator
  • 👍 Good for engineering students
  • 👍 Handles imaginary numbers
  • 👍 Super easy to use
  • 🚀 Fast and easy to use
  • 👍 Very helpful
  • 👍 Exactly like physical calculator
  • 👍 Faster than normal calculator
  • 👍 Accurate and easy to use
  • 👍 Replaced physical calculator
  • 👍 Useful for school
  • 👍 Good for revision
  • 👍 Similar to Casio
  • 👍 Convenient interface
  • 👍 Aesthetic and good for math
  • 👍 User interface is great
  • 👍 Genuine with many functions
  • 👍 Helpful for exams
  • 👍 Precise calculations
  • 👍 Complete and easy

Room to Improve

  • 🐛 Latest update inconvenient
  • 🐛 Update overrides calculations
  • 🐛 Mistake in challenge section
  • 🐛 Removed important buttons
  • 🐛 Cannot find pi button
  • 🐛 Simplified interface
  • 🐛 Duplicate log key
  • 🐛 Cannot change keyboard layout
  • 🐛 No 3-dot menu
  • 🐛 Can't upgrade to paid version
  • 🐛 App crashes on loading screen
  • 🐛 App closes on opening
  • 🐛 New layout missing CW
  • 🐛 'i' key not working after update
Scientific Calculator Plus 991#3

Scientific Calculator Plus 991 by Tran Duy

NCalc & CalcES Calculator 115
Worth Considering
📚 Education
4.7😊(13K ratings)
FreeAdsIn-App Purchases
Scientific Calculator Plus 991 screenshot 1
Scientific Calculator Plus 991 screenshot 2
Scientific Calculator Plus 991 screenshot 3
Scientific Calculator Plus 991 screenshot 4
Scientific Calculator Plus 991 screenshot 5
Scientific Calculator Plus 991 screenshot 6

This app is a powerful scientific calculator with graphing capabilities, a formula library, and a unit converter. It offers natural display input, advanced math functions for algebra, calculus, and statistics, and supports various number bases and formats.

What We Love

  • 👍 Intuitive and easy to use
  • 🚀 Powerful and feature-rich
  • 💡 Customizable interface and settings
  • 🔍 Extensive library of formulas and equations
  • ⚙️ Handles complex math and scientific functions well
  • 🧠 Helpful for STEM students and professionals

Room to Improve

  • 🐛 Occasional bugs and input issues
  • 🔀 Confusing layout and button placement
  • 💰 Some advanced features locked behind paywall

More Scientific apps to explore

FAQ about Scientific

What are the best scientific apps for iPhone?
Desmos Scientific Calculator tops our scientific apps ranking as of October 2026, with a 4.3-star average from 335 App Store ratings, and it's free to download.
Yes — 19 of the top scientific apps we rank are free to download, including Desmos Scientific Calculator and Scientific Calculator fx-991.
Desmos Scientific Calculator has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 249+ scientific apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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