Comparison

Position Size Calculator vs OptionsDeskiOS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Position Size Calculator

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Plan your trade size and risk with Position Size Calculator: PSC. Trading calculators — lot size, pip value, risk reward, margin, stop loss, take profit, drawdown, Fibonacci, and more — for forex trading, crypto trading, day trading, swing trading, and scalping. Calculate position size using a predefined risk percentage or fixed cash amount. Compare scenarios and understand your planned risk before entering a trade. TRADING CALCULATORS: Position Size & Risk Management • Position Size Calculator (Risk %) — trade size from balance and risk percentage • Position Size Calculator (Cash $) — fixed dollar risk with entry, stop loss, take profit • Forex Lot Size Calculator — supported forex pairs and lot types • Stop Loss / Take Profit Calculator — SL and TP from risk parameters • Breakeven Calculator — win rate and expected value per trade • Risk of Ruin Calculator — probability of account ruin (Balsara formula) Risk & Reward Analysis • Risk Reward Calculator — R:R ratio with trade quality grading • Profit & Loss Calculator — P&L, ROI, and annualized returns Forex Trading Tools • Forex Pip Value Calculator — per-pip value for supported forex pairs • Margin Calculator — required margin for forex and CFD trades • Margin Call Calculator — margin call price and safe lot size • Spread Calculator — spread cost in pips, dollars, and percentage Technical Analysis • Fibonacci Calculator — retracement and extension levels • Pivot Point Calculator — support and resistance levels Drawdown & Recovery • Drawdown Calculator — consecutive losses and compounding effect • Recovery Calculator — gain needed to recover from drawdown • Maximum Drawdown Calculator — peak-to-trough decline analysis Growth Projection • Compound Interest Calculator — project account growth with compound interest KEY FEATURES: Smart Trade Analysis — risk assessment for account safety and trade quality. Recommendations: Prioritize, Take, Consider, or Avoid. Trade Journal — log outcome, emotion, P&L, setup tags, and reflections. A trade journal built for active traders. Forex Pairs — major and cross pairs, multiple lot types, and live exchange rates. Analytics Dashboard — trade quality charts, balance progression, and discipline score. History — save, search, favorite, annotate, and export your calculations. Templates — save and load input presets for any calculator mode. Visual Sharing — share branded result cards as images to social media or trading groups. Scenario Comparison — compare trade setups side by side. Analyze risk per trade before you enter. Cross-Device Sync — sync settings, history, and templates across devices. Supported account currencies with live exchange rates. Multiple interface languages. BUILT FOR: • Forex trading — forex lot size calculator, forex pip calculator, margin and leverage calculator • Crypto trading (Bitcoin, Ethereum) and stock trading — position size calculator with leverage • Day trading and swing trading — stop loss calculator, risk per trade, money management • CFD, futures, indices (NAS100), and metals traders — gold, oil, and commodities • Prop firm traders — prop firm calculator with strict risk and drawdown rules • Beginners learning position sizing and risk management Works offline • No account required PRO access is available through a monthly subscription or a one-time purchase. Use PSC to plan positions for forex, crypto, gold (XAUUSD), and indices (NAS100). PSC provides calculation and planning tools for informational and educational use. It does not provide financial or investment advice. Terms of Use: https://psc.hexiolab.com/terms.html Privacy Policy: https://psc.hexiolab.com/privacy.html

About

OptionsDeskiOS

This app provides institutional-grade options analysis tools for mobile devices. Evaluate single options or complex strategies, model scenarios, and track portfolio exposure with real-time data and detailed analytics.

Highlights
  • Multi-leg option strategy builder
  • Real-time Black-Scholes pricing
  • Interactive payoff diagrams
  • Full Greeks suite
  • Scenario analysis simulator
  • Portfolio risk management
  • Probability calculator
Features
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OptionsDesk brings institutional-grade options analysis to your iPhone and iPad. Whether you're evaluating a single call or modelling a complex multi-leg spread, OptionsDesk gives you the tools professionals rely on — built for mobile. PAYOFF CALCULATOR • Build up to 4-leg option strategies (calls, puts, spreads, condors, straddles and more). • Real-time Black-Scholes pricing with live market data. • Interactive payoff diagram with touch crosshair — see P&L at any price level. • Full Greeks suite: Delta, Theta, Gamma, Vega, Rho. • DATE and IV sliders to model time decay and volatility scenarios. • Break-even prices, Max Profit, Max Loss, Reward/Risk ratio and Chance of Profit. SIMULATOR • Scenario analysis across underlying price, volatility, interest rates and time. • Aggregate Greeks for your entire position. • Visualise how your P&L evolves as market conditions change. • Add up to 5 legs including stock positions. PORTFOLIO MANAGER • Track volatility exposure across a range of instruments in one unified view. • Monitor your entire options portfolio — stocks, calls, puts and multi-leg spreads side by side. • Aggregate Greeks across all positions so you always know your net Delta, Theta, Vega and Gamma exposure. • Spot concentration risk at a glance — see which positions are driving your P&L. • Manage volatility across equities, ETFs and indices from a single dashboard. • Built for traders who run multiple strategies simultaneously and need a clear, real-time picture of total risk. FUTURE PRICE (PROBABILITY CALCULATOR) • Black-Scholes probability engine — what are the odds the stock ends above or below a target? • Supports continuous and discrete dividends, risk-free rate adjustments. • Interactive probability chart with live crosshair. • Model up to 3 scenarios simultaneously. LIVE MARKET DATA • Fetch live prices and options chains directly. • Auto-complete ticker search across thousands of stocks and ETFs • See real-time price, daily change and company name Built for traders who want precision. Terms of Use: https://www.optionsdeskapp.pro/terms

Screenshots

Position Size Calculator4 screens
OptionsDeskiOS4 screens

Verdict

The call

The clearest difference is ads: OptionsDeskiOS at none against Position Size Calculator's shown. OptionsDeskiOS also leads on update cadence (every 3 days vs weekly). On price, in-app purchases, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Position Size Calculator sells 3 in-app purchases, starting at $3.99 per month and OptionsDeskiOS sells 1 in-app purchase, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Position Size Calculator ships an update weekly, OptionsDeskiOS every 3 days. The most recent releases landed on October 17, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 8 level
Position Size Calculator versus OptionsDeskiOS: the parameters behind the verdict, then further details
ParameterPosition Size CalculatorOptionsDeskiOS
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyWeeklyEvery 3 days — better
AdsYesNo — better
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.6 — better17.0
Further details — not scored
Size93 MB3 MB
Age rating4+4+
DeveloperVladyslav BoikoMichael Adante

In-app purchases

3 purchases

Position Size Calculator

Subscriptions2
  • PRO Monthly3 Days trial$3.991 Month
  • PRO Annual7 Days trial$19.991 Year
One-time1
  • PRO Lifetime$39.99
1 purchases

OptionsDeskiOS

Subscriptions1
  • OptionsDesk Pro$5.991 Month

Questions

Is Position Size Calculator free?
Position Size Calculator is free to download, with in-app purchases available.
Is OptionsDeskiOS free?
OptionsDeskiOS is free to download, with in-app purchases available.
Do Position Size Calculator or OptionsDeskiOS have ads?
Position Size Calculator shows ads; OptionsDeskiOS does not.
Which is updated more often, Position Size Calculator or OptionsDeskiOS?
Position Size Calculator ships an update weekly, and OptionsDeskiOS every 3 days. Most recently, Position Size Calculator was updated on October 17, 2026 and OptionsDeskiOS on October 12, 2026.

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