Comparison

FX LotSize vs ForeXpert

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

Head to head
About

FX LotSize

Features
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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.

About

ForeXpert

Practice discretionary trading on historical forex charts without risking real money. Step through past price action candle by candle, place real orders, and measure your results with detailed performance statistics. Test your trading strategies and improve your execution skills on the go.

Highlights
  • Realistic backtesting on historical charts
  • 26 instruments across 8 timeframes
  • Full order types (Market, Limit, Stop)
  • Technical analysis and drawing tools
  • Detailed performance statistics
  • Customizable trading parameters
  • Cloud sync across devices
Features
Read full description

Does your trading strategy actually have an edge? ForeXpert is an FX backtesting app that lets you practice discretionary trading on historical forex charts — without risking real money. Step through past price action candle by candle, place real orders, and measure your results with hard numbers. 【What you can do with ForeXpert】 ■ Realistic backtesting on historical charts Choose any currency pair and date range, then advance candle by candle. Because you can't see what comes next, you build real decision-making skills under pressure. ■ 26 instruments across 8 timeframes Major and cross currency pairs plus Gold (XAUUSD) and Silver (XAGUSD). Supports M1, M5, M15, M30, H1, H4, D1, and W1. ■ Full order types Market, limit, and stop orders with SL and TP. Modify, cancel, or partially close positions — just like a real trading platform. ■ Technical analysis & drawing tools Moving Average, Bollinger Bands, RSI, MACD, and Stochastics. Combine with trend lines, horizontal lines, and other drawing tools to test your exact rules on the chart. ■ Detailed performance stats Win rate, trade count, average profit/loss, profit factor, max drawdown, and Sharpe ratio — all calculated automatically. Track your equity curve, daily P&L, and cumulative returns over time. ■ Fully customizable Set your starting balance, leverage, and spread. Cloud sync keeps your data in one place across all your devices. 【Who it's for】 · Traders who want to verify whether their strategy has a real edge · Anyone stuck in a losing streak and looking to identify patterns · Those who want to drill order execution before going live · Traders who want to practice on the go from their phone Build your strategy on evidence, not instinct. 【Disclaimer】 · This app is a simulation tool for practice and strategy verification only. · No real currency trading, deposits, or withdrawals are supported. · This app does not provide investment advice or recommend specific financial instruments. · Simulated results do not guarantee future trading performance.

Screenshots

FX LotSize4 screens
ForeXpert4 screens

Verdict

The call

The clearest difference is update cadence: FX LotSize at every 3 days against ForeXpert's every 2 weeks. ForeXpert's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.0). On price, ads and in-app purchases 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. FX LotSize sells 1 one-off in-app purchase and ForeXpert sells 1 in-app purchase, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

FX LotSize ships an update every 3 days, ForeXpert every 2 weeks. The most recent releases landed on September 18, 2026 and September 17, 2026 respectively.

Scorecard3 real differences · 5 level
FX LotSize versus ForeXpert: the parameters behind the verdict, then further details
ParameterFX LotSizeForeXpert
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyEvery 3 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.015.1 — better
Further details — not scored
Size8 MB55 MB
Age rating4+4+
Developeryuki kawahitoRui Hirano

In-app purchases

1 purchases

FX LotSize

One-time1
  • All Currency Pair$5.99
1 purchases

ForeXpert

Subscriptions1
  • ForeXpert プレミアムプラン$6.991 Month

Questions

Is FX LotSize free?
FX LotSize is free to download, with in-app purchases available.
Is ForeXpert free?
ForeXpert is free to download, with in-app purchases available.
Do FX LotSize or ForeXpert have ads?
Neither FX LotSize nor ForeXpert shows ads.
Which is updated more often, FX LotSize or ForeXpert?
FX LotSize ships an update every 3 days, and ForeXpert every 2 weeks. Most recently, FX LotSize was updated on September 18, 2026 and ForeXpert on September 17, 2026.

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