Position Size Calculator+ vs FX LotSize
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Position Size Calculator+
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 management
- Position size calculation
- Profit maximization
- Portfolio protection
- Supports stocks, forex, crypto
- Beginner and experienced trader friendly
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Plan every trade with a position size that matches your risk tolerance. Position Size Calculator+ provides a clear, guided workflow for calculating how much to trade based on your account balance, chosen risk percentage, entry price, and stop-loss level. Simply enter your trade details to calculate: - Position size - Trade quantity - Amount at risk - Potential profit - Risk/reward ratio Whether you are planning a long or short position, the calculator validates your inputs and updates the results instantly. Add an optional profit target to evaluate the potential reward before entering a trade. Designed for both new and experienced traders, Position Size Calculator features: - Guided three-step calculation - Support for long and short trades - Configurable risk percentages - Optional take-profit calculations - Easy copying of calculated values - Light and dark mode - Optimized layouts for iPhone and iPad - Accessible, straightforward controls Use Position Size Calculator+ when planning trades involving stocks, forex, cryptocurrencies, or other price-based markets. Good risk management starts before a trade is placed. Calculate your exposure, understand the potential outcome, and approach every position with a clear plan. Position Size Calculator+ is an informational calculation tool and does not provide financial or investment advice. Always verify calculations before making financial decisions.
FX LotSize
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How to use the app Lot calculation tool You can calculate the appropriate lot when entering FX (holding a position). 1. Set the currency pair 2. Enter the margin (account balance) 3. Set the loss tolerance as a percentage of the margin 4. Finally, enter the stop loss 5. Tap the calculate button to display the appropriate lot. Profit and loss ratio tool 1. Set the profit lock pips (take profit) 2. Set the loss tolerance pips (stop loss) 3. Automatically display risk reward Settings Regarding the currency of 1 lot, please check the information of your trading company and set it. The default is set to 10,000 currency per lot. The loss tolerance (%) can be changed to the % set when the app is launched. The currency pair at launch can be changed to the currency pair set when the app is launched. The currency pair list can be listed as you like. The only currency pairs available in the free version are USD/JPY and EUR/USD/GBP/JPY. If you want to calculate lots for other currency pairs, you will need to upgrade. After upgrading, you will be able to use all currency pairs without any charge.
Screenshots
Verdict
The clearest difference is update cadence: FX LotSize at every 3 days against Position Size Calculator+'s every 6 months. On price, ads, in-app purchases and device support 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. Position Size Calculator+ sells 1 one-off in-app purchase and FX LotSize sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Position Size Calculator+ ships an update every 6 months, FX LotSize every 3 days. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.
| Parameter | Position Size Calculator+ | FX LotSize |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (41 ratings) — better | — |
| Number of ratings | 41 — better | — |
| Update frequency | Every 6 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 6 MB | 8 MB |
| Age rating | 17+ | 4+ |
| Developer | Robin van Eck van der Sluijs | yuki kawahito |
In-app purchases
Position Size Calculator+
- Buy Me a Coffee$3.99
FX LotSize
- All Currency Pair$5.99
Questions
Is Position Size Calculator+ free?
Is FX LotSize free?
Do Position Size Calculator+ or FX LotSize have ads?
Which is updated more often, Position Size Calculator+ or FX LotSize?
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