Best Ncalc Apps

179+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated October 2026

Out of 179+ ncalc apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Ncalc Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Scientific Calculator Plus 991Scientific Calculator Plus 991Free4.7★ (13K)YesYesNov 2026
2Graphing Calculator 84: Calc84Graphing Calculator 84: Calc84Free4.6★ (5.1K)YesYesNov 2026
3NCalcNCalcFree5.0★ (2)YesYesNov 2026
4Scientific Calculator fx-991Scientific Calculator fx-991Free4.6★ (448)YesYesNov 2026
5Scientific Calculator 991EXScientific Calculator 991EXFree—NoYesOct 2026
6National Children's AllianceNational Children's AllianceFree—NoNoOct 2026
7Scientific Calculator fx-991EXScientific Calculator fx-991EXFree3.1★ (7)NoYesOct 2026
8NCalc  EasyNCalc EasyFree—NoNoAug 2026

Top Picks for Ncalc

Scientific Calculator Plus 991#1

Scientific Calculator Plus 991 by Tran Duy

NCalc & CalcES Calculator 115
Editor's Choice
📚 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
Graphing Calculator 84: Calc84#2

Graphing Calculator 84: Calc84 by Tran Duy

Scientific, for use with TI-84
Strong Contender
📚 Education
4.6😊(5.1K ratings)
FreeAdsIn-App Purchases
Graphing Calculator 84: Calc84 screenshot 1
Graphing Calculator 84: Calc84 screenshot 2
Graphing Calculator 84: Calc84 screenshot 3
Graphing Calculator 84: Calc84 screenshot 4
Graphing Calculator 84: Calc84 screenshot 5
Graphing Calculator 84: Calc84 screenshot 6

This app offers a comprehensive graphing and scientific calculator experience, mimicking the functionality of a Ti-84. It includes advanced features for graphing, symbolic calculations, equation solving, and extensive statistical analysis. Users can upgrade for full access to all capabilities.

What We Love

  • 👍 Great calculator app
  • 🚀 Powerful features
  • 💰 Good value for money
  • 📱 Convenient mobile version of TI-84
  • 🎓 Helpful for math/stats courses

Room to Improve

  • 🐛 Occasional crashes or bugs
  • 🔍 Lack of instructions/documentation
  • 💸 Premium features require additional purchase
  • 🔊 Interferes with music playback
  • 📱 Small button sizes on mobile
NCalc#3

NCalc by Lindum Medical Ltd

NEWS Calculator
Worth Considering
🏥 Medical
5.0(2 ratings)
FreeAds
NCalc screenshot 1
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Calculate the National Early Warning Score (NEWS) quickly and accurately. This app supports both original NEWS and NEWS2 scoring systems, updating the score in real-time as data is entered. It also allows for adding notes to each score to align with local policies.

More Ncalc apps to explore

FAQ about Ncalc

What are the best ncalc apps for iPhone?
Scientific Calculator Plus 991 tops our ncalc apps ranking as of October 2026, with a 4.7-star average from 13K App Store ratings, and it's free to download.
Yes — 20 of the top ncalc apps we rank are free to download, including Scientific Calculator Plus 991 and Graphing Calculator 84: Calc84.
Scientific Calculator Plus 991 shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 179+ ncalc apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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