OptionPosition+ vs Gann 9
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OptionPosition+
Analyze stock and option positions with this financial tool. Explore hedging strategies, create diversified portfolios, and visualize potential gains, losses, and Greeks. Understand price and volatility impacts on your investments.
- Stock and option price analysis
- Portfolio creation and management
- Graphical illustration of option strategies
- Black-Scholes equation for implied volatility
- Gain/Loss, Delta, Vega, Theta, Gamma visualization
- Probability of future stock prices and gains/losses
- Volatility Smile display
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OptionPosition+ Version 4.1 OptionPosition+ is a financial analysis App that estimates the value of a set of shares and put and call options for a particular stock. It allows the investor to explore various option hedging positions and create a portfolio that is sensitive to price and volatility fluctuations or that provides protection for various concerns. OptionPosition+ graphically illustrates the value of put protection, covered calls, call spreads, time spreads, delta neutral skew trades, iron condors, etc.. Further information is available at https://www.optionposition.com OptionPosition+ comes with an initial one month subscription period that provides access to data on most stocks listed on the NYSE and NASDAQ and certain indexes (i.e. NDX, NQX, XND). After this one month subscription period you may purchase an auto-renewing subscription through an In-App Purchase. (If you do not maintain a subscription you can only access stock and option data for AAPL.) • Auto-renewable subscription • 1 month ($2.99), 2 month ($4.99) and 3 month ($5.99) durations • Your subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration selected) unless auto-renew is turned off at least 24 hours before the end of the current period. • Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your iTunes Account Settings after purchase. • Privacy policy and terms of use: https://sites.google.com/site/kramerkramersoftware/ OptionPosition+ Features: • delayed stock and option prices for all available strike dates and strike prices (delay varies from 0 to 20 minutes) • remembers 30 different portfolios each with 6 assets: ..........puts, calls, shares or child portfolios ......................child portfolios can have different underlying stock ......................child portfolios have correlated price ..........long, short any quantity ..........all listed strike dates ..........all listed strike prices ..........e-mail to anyone • Black-Scholes equation used to determine implied volatility and future value of put and call options • graphically displays Gain/Loss, Delta, Vega, Theta or Gamma as a function of stock price: ..........now (see black lines below) ..........at any future date up to the earliest strike date (see red lines below) ..........at assumed higher or lower volatilities (see green lines below) ..........with a changing price correlation to child portfolios included as an item/hedge • graphically displays the probability of future stock prices and the probability of future option portfolio Gains/Losses based on current put/call straddle prices • graphically displays the Volatility Smile for any expiration date • scales on the graph are continuously adjustable with one and two finger moves – easily zoom in or out • tap on the graph to show the X,Y value at a point and the value of the curves at that X value • diagnostics table shows all Greeks and lets you easily create a Delta neutral portfolio • 3 month US dollar LIBOR used for risk free interest rate • incorporates predicted dividend payments into the Black-Scholes calculations without making a ‘fixed dividend rate’ error in Delta Screen shots: For an explanation of these option positions, and more, see our website www.OptionPosition.com. Screen shots shown below (for both iPhone and iPad): 1) Gain/Loss for a Put Protection in AAPL 2) Gain/Loss graph for an Iron Condor in AAPL 3) Assets (iPad includes Diagnostics) for the Iron Condor in AAPL 4) Delta graph for the Iron Condor in AAPL 5) Probability of the value of the Gain/Loss for the Iron Condor in AAPL 6) Volatility Smile using data source A
Gann 9
Analyze stocks, forex, and indices using W.D. Gann's advanced tools, including the Square of 9. Predict support/resistance and trend changes with high accuracy. Offers automated angle selection and real-time market data.
- Square of 9 analysis
- Predictive support/resistance levels
- Trend change prediction (CIT dates)
- Automated Swing Angle selection
- Trade signals and scanner
- Real-time market data
- Portfolio tracking
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Gann 9 is the only app that allows users to effortlessly apply the legendary W.D. Gann’s tools and techniques (including the Square of 9) to analyzing, charting and trading any stock, forex or index. It will allow you to predict with high accuracy and confidence future support/resistance levels and change in trend (CIT) dates. Swing Angles are empowered with the unique ability to automatically select the correct angle step (rise, rate of vibration) applicable to any instrument in any time frame and any price scale. The app's rich functionality is further enhanced with the addition of several in-app purchases (for the full list check Top In-App Purchases on the left). Built-in features Include: * Trade signals and scanner * Tunnel indicator * Gann retracement and range squaring tool * Trend indicator and Trend matrix * Swing indicator and Swing matrix * Automatically drawn Swing Angles * Swing exhaustion timer * Trend Bars™ (in-app purchase) * 130 years of DJIA price data (in-app purchase) * Gann price and time calculator allowing user inputs * Automatic range retracement and extension analysis * Unlimited stock symbol tracking * Track stock value and % change * Gann angles * Gann cycles * Square of 9 * Gann Seasonal Dates * My Portfolio * Extensive User Guide * Trading Strategies section * Real time market data and breadth indicators. * Multiple Watchlists synced between apps * Apple Watch scanning functionality Whether you’re a novice or experienced market analyst, you’ll be able, with a tap of a few buttons, to apply some of the most sophisticated technical analysis tools and to access live trade signals at a fraction of the cost of traditional charting packages.
Screenshots
Verdict
The clearest difference is review sentiment: OptionPosition+ at 83% against Gann 9's 17%. OptionPosition+ also leads on price (Free vs $19.99) and rating (3.8 vs 3.3). Gann 9's advantage is update cadence (every 2 weeks vs every 5 weeks) and iOS requirement (8.0 vs 12.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
OptionPosition+ is free to download; Gann 9 costs $19.99 up front. OptionPosition+ sells 3 in-app purchases, starting at $2.99 per month and Gann 9 sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
OptionPosition+ holds the better App Store score, 3.8 against 3.3. Both are backed by a comparable volume of ratings — 21 and 13 respectively. Written reviews point the same way: 83% of OptionPosition+'s written reviews are positive against 17% of Gann 9's.
OptionPosition+ ships an update every 5 weeks, Gann 9 every 2 weeks. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.
| Parameter | OptionPosition+ | Gann 9 |
|---|---|---|
| Price | Free — better | $19.99 |
| Rating | 3.8 (21 ratings) — better | 3.3 (13 ratings) |
| Positive reviews | 83.0% of reviews — better | 16.7% of reviews |
| Number of ratings | 21 — better | 13 |
| Update frequency | Every 5 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | Paid — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Peter Kramer | CIT Dates |
Customer experience
OptionPosition+
Gann 9
In-app purchases
OptionPosition+
- full access to stock and option data$2.991 Month
- full access to stock and option data$4.992 Months
- full access to stock and option data$5.993 Months
Gann 9
- Bar Chart$9.99
- Market scan$9.99
- Vix market timing strategy$19.99
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- DJIA History$49.99









