
FX Lot Size Calculator: FleX
Position Size & Forex Trading
0 ratings
Free
In-App Purchases
About
Stop fumbling with web calculators while trading. FleX puts accurate Lot Size Calculations right on your phone. Size your Forex & Gold Positions correctly in seconds.
# Features
• Quick Pair Selection
• Broker Independent
• Leverage Independent
• Real-Time Market Data
• Account Data saved for reuse
# Pricing
FleX is premium and ad-free.
A subscription is required to use the app.
We offer a 7-day free trial so you can test all features.
• Annual Plan - $9.99 / year
• Weekly Plan - $2.99 / week
• Lifetime Plan - $24.99 once
Prices shown are for US customers and may vary by region.
Payment charged to Apple Account at confirmation of purchase.
Subscription automatically renews unless canceled at least 24 hours before the end of the current period.
Manage Subscriptions in App Settings.
# Legal
Terms of Use:
https://lotsize.app/terms-of-use.pdf
Privacy Policy:
https://lotsize.app/privacy-policy.pdf
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What's New in FX Lot Size Calculator
1.0.7
July 19, 2026
Thank you for using FleX! What’s New: • Improvements and bug fixes Have a moment? Please leave us a review! Questions or ideas? hello@stadelbauer.dev
MoreSubscription plans
FleX Premium
Unlock access to all premium features.
$2.997 Days
1
In-App Purchases
$24.99
FleX Premium Lifetime
Unlock access to all premium features.












