Best Stock Option Calculator Apps

207+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated July 2026

Out of 207+ stock option calculator 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 Stock Option Calculator Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1OptionStrat: Options ToolkitOptionStrat: Options ToolkitFree4.8★ (1.9K)NoYesJul 2026
2Easy Option CalculatorEasy Option CalculatorFree5.0★ (1)YesNoMay 2026
3thinkorswim: Trade. Invest.thinkorswim: Trade. Invest.Free4.7★ (325K)NoNoJul 2026
4Finview: Stock Screener SignalFinview: Stock Screener SignalFree4.5★ (3.9K)NoYesJul 2026
5MarketSurge - Stock ResearchMarketSurge - Stock ResearchFree4.7★ (8.5K)NoYesJul 2026
6Option Signal AlertOption Signal AlertFree4.4★ (664)NoYesJul 2026
7Unusual WhalesUnusual WhalesFree4.5★ (583)NoYesJul 2026
8Power E*TRADE-Advanced TradingPower E*TRADE-Advanced TradingFree4.5★ (13K)YesNoJul 2026

Top Picks for Stock Option Calculator

OptionStrat: Options Toolkit#1

OptionStrat: Options Toolkit by OptionStrat LLC

Calculator | Optimizer | Flow
Editor's Choice
💰 Finance
4.8😊(1.9K ratings)
FreeIn-App Purchases
OptionStrat: Options Toolkit screenshot 1
OptionStrat: Options Toolkit screenshot 2
OptionStrat: Options Toolkit screenshot 3
OptionStrat: Options Toolkit screenshot 4

Visualize and analyze options trades with a profit calculator and strategy builder. Discover institutional trades with real-time unusual options flow. Optimize strategies for maximum returns or profit chance.

What We Love

  • 🚀 Visual Masterpiece
  • 🚀 Easily Navigable
  • 🚀 Comprehensive Options Lifecycle
  • 👍 Intuitive and User-Friendly

Room to Improve

  • 💰 Subscription-Based Pricing
  • 🐛 Buggy and Unresponsive
  • 🐛 Login and Account Issues
Easy Option Calculator#2

Easy Option Calculator by Guoli Jian

Based on Black-Scholes model
Strong Contender
💰 Finance
5.0(1 ratings)
FreeAds
Easy Option Calculator screenshot 1
Easy Option Calculator screenshot 2
Easy Option Calculator screenshot 3

Calculate option prices and Greeks using the Black-Scholes model. Input underlying price, exercise price, days to expiration, interest rate, and volatility to get instant results. Reset values easily with a dedicated button.

thinkorswim: Trade. Invest.#3

thinkorswim: Trade. Invest. by The Charles Schwab Corporation

TD Ameritrade trading App
Worth Considering
💰 Finance
4.7😐(325K ratings)
Free
thinkorswim: Trade. Invest. screenshot 1
thinkorswim: Trade. Invest. screenshot 2
thinkorswim: Trade. Invest. screenshot 3
thinkorswim: Trade. Invest. screenshot 4
thinkorswim: Trade. Invest. screenshot 5
thinkorswim: Trade. Invest. screenshot 6

Trade stocks, options, futures, and forex with a powerful mobile platform. Manage positions, analyze charts, and practice strategies with simulated trading. Get real-time data and educational resources.

What We Love

  • 🚀 Powerful trading platform
  • 📊 Excellent charting and analysis tools
  • 💻 Seamless desktop and mobile integration
  • 🤑 Great for beginners and experienced traders

Room to Improve

  • 🐛 Frequent app crashes and bugs
  • 🕰️ Slow performance and lagging issues
  • 💳 High fees and commissions

More Stock Option Calculator apps to explore

4
Finview: Stock Screener Signal
Finview: Stock Screener Signal
Finview: Stock Screener Signal
Track Market Move, Top Scanner
Free

This app educates swing traders and stock market investors with real-time buy/sell signals and advanced screening tools. It provides valuable insights, risk management guidance, and technical analysis to enhance trading acumen.

Advance Stock Screener with custom criteriaReal-time push signals with entry/exit targetsPremium stock and option signals
💰 Finance
(3.9K)
free with in-app purchases
5
MarketSurge - Stock Research
MarketSurge - Stock Research
MarketSurge - Stock Research
by Investor’s Business Daily, Inc.
Free

This app provides advanced stock research and charting tools for modern investors. It simplifies complex data, offers AI-powered insights for identifying trade opportunities, and helps users determine optimal buy and sell points with customizable alerts.

Growth 250 stock listIndustry Group metricsExclusive stock lists
💰 Finance
(8.5K)
subscription
6
Option Signal Alert
Option Signal Alert
Option Signal Alert
#1 Signal Alert: Swing, Leaps
Free

This app provides real-time alerts for significant stock and option market movements. It offers tools to analyze option chains, track watchlists, and identify potential trading opportunities with advanced screening features.

Real-time push notifications for market movementsAdvanced screener and scanner for option chainsUnlimited custom watchlists with stock tracking
💰 Finance
(664)
freemium
7
Unusual Whales
Unusual Whales
Unusual Whales
Unusual Options & Market Data
Free

Track unusual options activity, crypto whales, and dark pools in real-time. Access live news, sector data, and a comprehensive options profit calculator. Offers educational resources and tutorials for traders.

Unusual options flow trackingCrypto whale and dark pool detectionLive Bloomberg-level news feed
💰 Finance
(583)
free with in-app purchases
8
Power E*TRADE-Advanced Trading
Power E*TRADE-Advanced Trading
Power E*TRADE-Advanced Trading
Options, stocks, futures, ETFs
Free

Trade stocks, options, futures, and ETFs with advanced tools and real-time market data. Analyze technicals, spot opportunities with unusual activity scans, and manage your positions securely from your mobile device.

Trade stocks, options, futures, ETFsCustomizable options chainMobile futures trading ladder
💰 Finance
(13K)
free with in-app purchases
9
Option Base - risk calculator
Option Base - risk calculator
Option Base - risk calculator
compute graphs of all greeks
Free
📚 Education
(0)
10
Robinhood Trading & Investing
Robinhood Trading & Investing
Robinhood Trading & Investing
Invest and trade US stocks
Free

Invest in stocks, ETFs, options, and crypto with commission-free trading. Utilize advanced charting tools, price alerts, and technical indicators to inform your strategies. Access prediction markets for event-based trading and earn interest on uninvested cash with a premium subscription.

Commission-free stock, ETF, and options tradingCrypto trading with low costsAdvanced charting and technical indicators
💰 Finance
(4.8M)
freemium
11
Firstrade: Invest & Trade
Firstrade: Invest & Trade
Firstrade: Invest & Trade
Stocks, Options, ETFs.
Free

Invest in stocks, options, and ETFs commission-free with a platform offering fractional shares, AI-powered insights, and extended trading hours. Manage multiple accounts, including IRAs, and access premium research to make informed trading decisions.

Commission-free trading on stocks, ETFs, options, and mutual fundsZero options contract feesFractional share trading starting at $5
💰 Finance
(8.3K)
free with in-app purchases
12
Stock Options Trading Signals
Stock Options Trading Signals
Stock Options Trading Signals
Calls, Puts, Alerts & Tracker
Free

This app uses AI to provide stock options trading predictions and insights for the American markets. It offers daily forecasts, real-time alerts, and comprehensive analysis tools to help traders make informed decisions and manage risk.

AI-powered trading predictionsDaily forecasts and real-time insightsBuy/sell targets and stop-loss levels
💰 Finance
(170)
free with in-app purchases
13
Options AI
Options AI
Options AI
Visual Option Trading
Free

Trade US equities, ETFs, and complex option spreads visually on your mobile device. Features a drag-and-drop interface for intuitive trade management and a scanner to find opportunities. Offers zero commission stock trades and a flat $5 fee for all option trades.

Visual option spread tradingDrag & Drop profit zonesTrade scanner
💰 Finance
(169)
free with in-app purchases
14
Sensa Market: Stock Options
Sensa Market: Stock Options
Sensa Market: Stock Options
Trade stocks, option strategy
Free

This app simplifies stock and options trading with powerful tools and over 100 pre-built strategies. It offers an intuitive interface, a robust options builder, and real-time visualizations to help users make informed investment decisions. Start trading with as little as $1 commission-free.

Intuitive user interfaceOver 100 pre-built options strategiesStart trading with $1 commission-free
💰 Finance
(22)
freemium
15
Stock Screener, AI Scanner
Stock Screener, AI Scanner
Stock Screener, AI Scanner
AI Investing: Buy Sell Signal
Free

This app uses AI to enhance stock screening and trading. It acts as a financial advisor, syncing with brokerage accounts to provide trade ideas, market analysis, and personalized stock picks. Invest faster and with more confidence using AI-powered insights.

AI-powered stock screeningPortfolio analysis and trackingAI-generated trade ideas
💰 Finance
(6.2K)
free with in-app purchases
16
Stock Average Price Calculator
Stock Average Price Calculator
Stock Average Price Calculator
Best Stock Average Calculator
Free

Easily calculate the average cost of your stock investments, even when buying at different prices. This tool helps you understand your average down or average up costs and can save unlimited stock entries and transactions. It also allows you to calculate potential profits from your buy and sell activities.

Calculate average stock purchase priceAverage down/up cost calculationAutosave calculations
🔧 Utilities
(402)
free with in-app purchases
17
NetBenefits
NetBenefits
NetBenefits
Fidelity workplace benefits
Free

Manage your Fidelity workplace benefits, including retirement savings, stock options, health insurance, and HSAs. Track account balances, investments, and expenses. Plan for your future with personalized tools and educational resources.

Manage retirement savingsAccess stock optionsView health insurance details
💰 Finance
(29K)
free
18
BA Financial Calculator
BA Financial Calculator
BA Financial Calculator
BAII Plus Emulator
Free

Emulates the TI BAII Plus financial calculator, offering identical functionality with a clean and user-friendly interface. It's designed for finance professionals and students preparing for exams like CFA, FRM, and CPA.

TI BAII Plus emulatorIdentical functionalityUser-friendly interface
💰 Finance
(2.9K)
ad-supported
19
Option Signals - Live Alerts
Option Signals - Live Alerts
Option Signals - Live Alerts
Scalps, Swings & Leaps Signal
Free

Receive real-time buy/sell signals for options trading, including targets and stop-losses. Analyze stocks with interactive charts, technical indicators, and a stock screener. Stay informed with earnings data, economic calendars, and insider transactions.

Real-time buy/sell options signalsTechnical analysis indicatorsInteractive stock charts
💰 Finance
(1.1K)
free with in-app purchases
20
Penny Stocks Tracker &Screener
Penny Stocks Tracker &Screener
Penny Stocks Tracker &Screener
OTC & Penny Stock Scanner
Free

Discover and track penny stocks with advanced screening tools, real-time charts, and fundamental analysis data. Monitor your portfolio and stay informed with news and profiles for various stock sectors.

Penny stock screenersCustomizable watchlistsTechnical analysis charts
💰 Finance
(6.1K)
free with in-app purchases

FAQ about Stock Option Calculator

What are the best stock option calculator apps for iPhone?
OptionStrat: Options Toolkit tops our stock option calculator apps ranking as of July 2026, with a 4.8-star average from 1.9K App Store ratings, and it's free to download.
Yes — 20 of the top stock option calculator apps we rank are free to download, including OptionStrat: Options Toolkit and Easy Option Calculator.
OptionStrat: Options Toolkit has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 207+ stock option calculator apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
OptionStrat provides tools for options traders to visualize and analyze their trades. It includes a profit calculator to understand potential profit and loss, a strategy builder to create various options strategies, and an unusual options flow tracker to identify institutional trades.
Key features include a real-time options profit calculator with strategy visualization, a strategy optimizer that finds the best trades based on targets, and an unusual options flow scanner that detects large and aggressive institutional trades, including complex strategies.