Best Position Size Calculator Apps

218+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated June 2026

The best position size calculator apps on iPhone average 4.5★ across 218+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.

Top Picks for Position Size Calculator

Position Size Calculator Pro#1

Position Size Calculator Pro by Ivan Kazantsev

Position size and risk reward
Editor's Choice
💰 Finance
3.4(5 ratings)
FreeIn-App Purchases
Position Size Calculator Pro screenshot 1
Position Size Calculator Pro screenshot 2
Position Size Calculator Pro screenshot 3
Position Size Calculator Pro screenshot 4
Position Size Calculator Pro screenshot 5
Position Size Calculator Pro screenshot 6

Instantly calculate trade sizing for crypto and stock positions using risk reward ratios. This tool helps you plan trades by entering deposit amount, risk percentage, entry price, and stop-loss to determine position size, potential loss, and risk to reward ratio.

STINU Position Size Calculator#2

STINU Position Size Calculator by Black Tower Investments Ltd.

Forex Currency, Gold & Crypto
Strong Contender
💰 Finance
4.6😐(825 ratings)
FreeIn-App Purchases
STINU Position Size Calculator screenshot 1
STINU Position Size Calculator screenshot 2
STINU Position Size Calculator screenshot 3
STINU Position Size Calculator screenshot 4
STINU Position Size Calculator screenshot 5
STINU Position Size Calculator screenshot 6

This app provides precise position sizing for Forex, commodities, and cryptocurrency trading using live market data. It helps traders eliminate errors and execute trades with confidence by accurately calculating trade size based on risk tolerance and stop-loss distances.

What We Love

  • 🚀 Easy to use
  • 👍 Simple and accurate
  • 🚀 Quick calculations
  • 👍 Great for risk management

Room to Improve

  • 🐛 Doesn't work on weekends
  • 🐛 Inaccurate risk calculations
  • 💰 Overpriced subscription
FX Calculators#3

FX Calculators by alpinetic

Suite of simple Forex tools
Worth Considering
💰 Finance
4.8😊(1.2K ratings)
FreeAdsIn-App Purchases
FX Calculators screenshot 1
FX Calculators screenshot 2
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FX Calculators screenshot 6

This app provides a suite of simple and effective tools for financial market risk management and decision-making. It includes calculators for Fibonacci levels, pip value, pivot points, position size, margin, and stop loss/take profit.

What We Love

  • 🚀 Best risk management tool
  • 👍 Easy to use
  • 💡 Perfect for full-time Forex traders
  • 🚀 Gives picture-perfect lot sizes

Room to Improve

  • 🐛 Recent changes have ruined the app
  • 🐛 App stopped working
  • 🐛 Update ruined the app

More Position Size Calculator apps to explore

4
Trade Position Size Calculator
Trade Position Size Calculator
Trade Position Size Calculator
Plan Entry, Risk, SL & TP
Free

This tool helps traders calculate optimal trade sizes, risk levels, and profit targets for various markets like forex, crypto, and futures. It simplifies planning by automatically detecting trade direction and allowing for multiple take-profit levels.

Position size calculation for futures, crypto, forex, stocksInput balance, risk %, entry, and stop lossAuto-detects long/short positions
💰 Finance
(1)
free
5
FX Position Size Calculator
FX Position Size Calculator
FX Position Size Calculator
Pip & Lot Size Calc for Forex
Free

This tool helps forex traders calculate the ideal trade size by factoring in currency pairs, risk tolerance, and stop-loss levels. It simplifies risk management for both new and experienced traders, enabling more informed trading decisions.

Calculate position size based on risk percentage or fixed amountSupports all major and cross currency pairsAdjustable exchange rates for precise customization
💰 Finance
(216)
free with in-app purchases
6
Position Size Calculator+
Position Size Calculator+
Position Size Calculator+
by Robin van Eck van der Sluijs
Free

This tool helps traders manage risk and maximize profits by calculating optimal position sizes. It's designed for both beginners and experienced traders across various markets like stocks, forex, and cryptocurrencies.

Risk managementPosition size calculationProfit maximization
💰 Finance
(39)
free with in-app purchases
7
Lot Calculator
Lot Calculator
Lot Calculator
by Arnaud HAASE
Free
💰 Finance
(0)
8
Position Size Calculator Plus
Position Size Calculator Plus
Position Size Calculator Plus
Risk Management for Traders
Free
💰 Finance
(0)
9
FX - Position Size Calculator
FX - Position Size Calculator
FX - Position Size Calculator
Risk Management, Trading Power
$2.99

This tool helps traders determine the optimal size for their financial market positions. It calculates trade size based on account balance, risk percentage, and stop loss levels to manage risk effectively and maintain trading discipline.

Risk management toolCalculates position sizeInput account balance
🔧 Utilities
(0)
paid
10
Position Size Calculator: Grid
Position Size Calculator: Grid
Position Size Calculator: Grid
FX Lot, Forex, Prop Trading
Free
💰 Finance
(0)
11
Forex Calculators
Forex Calculators
Forex Calculators
Essential Forex Calculators
Free

This app provides essential tools for Forex traders to manage risk and make informed decisions. It offers calculators for position sizing, stop loss, take profit, margin, and more, all based on near real-time market prices.

Position Size CalculatorStop Loss & Take Profit CalculatorRisk Reward Calculator
💰 Finance
(4)
free with in-app purchases
12
Stock Position Calculator
Stock Position Calculator
Stock Position Calculator
by alpinetic
Free

Calculate the optimal number of shares to buy based on your risk tolerance and capital. Input account balance, risk percentage, share price, and stop-loss to determine ideal position size for your investment strategy.

Calculate ideal share quantityInput account balanceDefine risk percentage
💰 Finance
(2)
free with in-app purchases
13
OANDA - Forex trading
OANDA - Forex trading
OANDA - Forex trading
Invest smarter
Free

Trade major and minor forex pairs on the go with instant quotes and free charting. Customize your platform for real-time notifications, risk management, and profitability monitoring. Stay updated with market news and analysis from a regulated global broker.

Trade major and minor forex pairsInstant quotes and free chartingReal-time notifications and risk management
💰 Finance
(23K)
free with in-app purchases
14
Position Size Calculator: Posi
Position Size Calculator: Posi
Position Size Calculator: Posi
Stocks, ETFs, Crypto Risk
$2.99

This tool helps investors and traders precisely calculate the optimal size for their positions across various assets like stocks, ETFs, forex, and crypto. It's designed to manage risk effectively, safeguard capital, and optimize returns for both beginners and experienced users.

Multi-asset risk controlCalculate optimal investment sizeUser-friendly design
💰 Finance
(1)
paid
15
Forex Size Calculator: Posica
Forex Size Calculator: Posica
Forex Size Calculator: Posica
Fx & Position Size Calculator
Free

This app helps Forex traders calculate their correct position size and risk percentage. It provides an instant overview of your position size to help you set your stop-loss effectively. Supports a wide range of currency pairs and XAUUSD.

Calculate correct position sizeCalculate risk in percentageInstant position size overview
💰 Finance
(0)
free with in-app purchases
16
FX Position Calculator
FX Position Calculator
FX Position Calculator
by alpinetic
Free

This tool helps traders calculate optimal investment amounts for each trade to manage risk effectively. It aims to maximize potential gains while minimizing losses by suggesting position sizes before entering the market.

Risk management for tradesCalculate position sizeMaximize gains
💰 Finance
(9)
free with in-app purchases
17
Trade Calculator, Stock Market
Trade Calculator, Stock Market
Trade Calculator, Stock Market
Position Sizing, ROI, P&L Calc
Free

This app simplifies stock market trading with tools for calculating profit/loss, average stock cost, trade details, percentages, position size, and ROI. It offers accurate calculations and a user-friendly interface for informed investment decisions.

Profit/Loss CalculatorStock Average CalculatorTrade Calculator
💰 Finance
(9)
free
18
Calculator #
Calculator #
Calculator #
Scientific Calculator
Free

This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.

Math Photos SolverHandwriting RecognitionAI Math Problem Solver
🔧 Utilities
(36K)
free with in-app purchases
19
Calculator with History +
Calculator with History +
Calculator with History +
No ads & Scientific calculator
Free

This free calculator app offers a fast, ad-free experience with a visual input and calculation history. Customize your experience with various keyboard sounds and colors, and access advanced scientific functions when needed.

Ad-free experienceCalculation historyVisual input
💰 Finance
(23K)
free with in-app purchases
20
Calculator for iPad!
Calculator for iPad!
Calculator for iPad!
Basic & Scientific Calculator
Free

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

Basic and scientific calculator modesOver 30 scientific operationsCustomizable appearance (iPad)
🔧 Utilities
(60K)
free

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