Simply Sized vs RiskEngine
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simply Sized
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Simply Sized helps traders calculate precise position sizes based on risk parameters—before entering any trade. Stop guessing how many shares to buy. Enter your entry price, stop loss, account size, and risk percentage to instantly calculate the perfect position size for any trade setup. Key Features: • Calculate exact position sizes in seconds • View risk-to-reward targets at 1:1, 2:1, and 3:1 ratios • Save calculation history (up to 50 calculations) • Set custom account size and risk defaults • Support for both Long and Short positions • Export calculation history as CSV • Multi-currency support (USD, EUR, GBP, JPY, CAD, AUD, CHF) • Clean, intuitive interface with dark mode How It Works: Set your account size and risk percentage Enter entry price and stop loss level Get instant position size calculations with profit targets Save calculations for future reference Important: Simply Sized is an educational tool. All calculations should be verified before trading. This app does not provide financial advice.
RiskEngine
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Risk Engine is the app designed to help you quickly and clearly calculate position size, monetary risk, stop loss, take profit, and trade exposure. Simply enter the main parameters of your trade and get an immediate, easy-to-read output — perfect for organizing your risk management before entering the market. With Risk Engine you can: Calculate position size based on your capital and risk per trade Set stop loss using multiple methods, including fixed, percentage, ATR, structure, and hybrid Estimate take profit, leverage used, and total exposure Simulate the theoretical performance of your capital across multiple trades Easily monitor your risk/reward ratio The interface is designed to be fast, clean, and intuitive, so you can see the most important data at a glance. Important: Risk Engine does not provide financial advice and is not a substitute for your own analysis. It is an operational support tool created to simplify calculations and improve your risk management discipline. Ideal for traders and users who want a focused, practical, and essential utility to better plan every trade.
Screenshots
Verdict
The clearest difference is ads: Simply Sized at none against RiskEngine's shown. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Simply Sized | RiskEngine |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 2 days |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.6 | 16.6 — better |
| Further details — not scored | ||
| Size | 2 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Christopher Rupp | Ivan Vecchi |
In-app purchases
Simply Sized
No in-app purchases
RiskEngine
No in-app purchases





