Option Calculation vs Options Flow Heatmap
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Option Calculation
Read full descriptionHide full description
This is an effective and practical app for calculation of European-style option! Based on BSM Model: ⢠support to calculate option price, implied volatility, put-call parity. ⢠When you calculate option price/implied volatility, the greeks are calculated and show simultaneously. ⢠Support to show option price/delta/gamma for 2D/3D interactively! ⢠Overlay contracts' curve with different days/implied volatility in same graph. For example, to calculate option price: input underlying price, strike price, days to expire, riskless rate, implied volatility, tap the blue button in the bottom, the option price will be calculated and show immediately! Then tap the button in the top right, show function line of delta/gamma and underlying price in theory. Slide to change the underling price, see how price/delta/gamma changes.
Options Flow Heatmap
Read full descriptionHide full description
Options Flow Heatmap shows active traders where institutional money is moving in the options market, with data refreshed every 15 minutes throughout the trading day. Built for people who already watch flow and want it organized, fast, and on their phone. SEE THE FLOW ⢠Sector Map ā a heatmap of options flow across the market, day by day ⢠Whale Watch ā outsized institutional orders, sized from shrimp to whale ⢠Blocks & Sweeps ā block trades and aggressive multi-exchange sweeps ⢠Active Flow ā contract flow through the session ⢠Call/Put Ratio ā directional balance by ticker and by sector CATCH THE SETUPS ⢠Alerts ā the full alert stream across every scanner ⢠First Alerts ā the first time a ticker triggers on a given day ⢠Gap Alerts ā overnight and intraday gaps worth a look ⢠Option Plays and Option Lottos ā low-premium, high-leverage contracts, filtered by volume, bid range and expiry ⢠Signal Board ā every stock grouped by signal type, calls and puts split out READ THE MARKET ⢠Prediction ā model-based directional read ⢠Trend ā multi-day breakout tracking ⢠A/D Line ā advance/decline breadth with McClellan Oscillator ⢠RRG ā relative rotation across sectors ⢠Stock Search ā look up flow for any ticker BUILT FOR IPHONE AND IPAD ⢠On-device watchlist ā save the tickers you follow and open their flow in one tap, reorder or remove them any time ⢠Optional Face ID or Touch ID lock, with a five-minute idle timeout ⢠Fast native navigation ā every section is one or two taps away ⢠Full iPad support, including the 13-inch display ABOUT THE DATA Market data is derived from publicly available exchange sources and is delayed, refreshing on a 15-minute cycle. This app does not provide a real-time market data feed. SUBSCRIPTION Monthly Membership - $49.99 per month, billed through your Apple Account. Subscribing in the app unlocks full access to every section listed above. Payment is charged on confirmation of purchase. The subscription renews automatically each month unless auto-renew is turned off at least 24 hours before the end of the current period, and your Apple Account is charged for renewal within 24 hours of the period ending. You can manage or cancel your subscription at any time in your Apple Account settings. Already a member through summaryoptionsflowheatmap.com? Sign in with the Whop Membership ID from your purchase confirmation instead - no additional purchase is required, and your existing membership works exactly as it does on the web. Terms of Use: https://www.summaryoptionsflowheatmap.com/terms.html Privacy Policy: https://www.summaryoptionsflowheatmap.com/privacy.html
Screenshots
Verdict
The clearest difference is in-app purchases: Option Calculation at none against Options Flow Heatmap's 1. Options Flow Heatmap's advantage is update cadence (every 4 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Options Flow Heatmap sells 1 in-app purchase, starting at $49.99 per month. Option Calculation asks for nothing beyond the download.
Option Calculation ships an update every 2 months, Options Flow Heatmap every 4 days. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.
| Parameter | Option Calculation | Options Flow Heatmap |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 4 days ā better |
| Ads | No | No |
| In-app purchases | No ā better | Yes |
| Devices | iPhone, iPad, iPod ā better | iPhone, iPad |
| Requires iOS | 16 ā better | 17.0 |
| Further details ā not scored | ||
| Size | 5 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Jinfu Jiang | Marcus Brown |
In-app purchases
Option Calculation
No in-app purchases
Options Flow Heatmap
- Monthly Membership$49.991 Month
Questions
Is Option Calculation free?
Is Options Flow Heatmap free?
Do Option Calculation or Options Flow Heatmap have ads?
Which is updated more often, Option Calculation or Options Flow Heatmap?
Other comparisons















