FX Option vs Option Calculation
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
FX Option
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FX Option - is a new calculator for FOREX options. The app has been specifically developed to efficiently price the options. It allows quick and easy calculation of the premium and risk parameters for various types of call and put options. Features: - calculation of risk parameters: delta, vega, theta, gamma, etc - builds a stress-table for the option - sending of detailed calculation and results table to your email or printer - on-the-fly saving of calculation results. Favorites support The app is available in 21 languages.
Option Calculation
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This is an effective and practical app for calculation of European-style option! Based on BSM Model: โข support to calculate option price, implied volatility, put-call parity. โข When you calculate option price/implied volatility, the greeks are calculated and show simultaneously. โข Support to show option price/delta/gamma for 2D/3D interactively! โข 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.
Screenshots
Verdict
The clearest difference is update cadence: Option Calculation at every 2 months against FX Option's every 6 months. FX Option's advantage is iOS requirement (8.1 vs 16). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
FX Option ships an update every 6 months, Option Calculation every 2 months. The most recent releases landed on October 8, 2026 and September 19, 2026 respectively.
| Parameter | FX Option | Option Calculation |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | Every 2 months โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.1 โ better | 16 |
| Further details โ not scored | ||
| Size | 11 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Strelka Limited | jiang jin fu |
In-app purchases
FX Option
No in-app purchases
Option Calculation
No in-app purchases
Questions
Is FX Option free?
Is Option Calculation free?
Do FX Option or Option Calculation have ads?
Which is updated more often, FX Option or Option Calculation?
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