Comparison

STINU Position Size Calculator vs Sercus Pay

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

Head to head
About

STINU Position Size Calculator

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.

Highlights
  • Real-time market data for accurate calculations
  • Supports multiple account currencies
  • Fast calculation for multiple stop-loss distances
  • Calculations for commodities and crypto
  • Leverage independent risk calculation
  • Intuitive and clean user interface
  • Eliminates manual calculation errors
Features
Read full description

Trade smarter with LIVE data! Precise position sizing for Forex, Commodities & Crypto in seconds. Tired of inaccurate position sizing throwing off your strategy? STINU delivers professional-grade risk calculation powered by LIVE market data, giving you the confidence to execute trades flawlessly. Say goodbye to 'rough estimates' and hello to pinpoint accuracy! Why STINU is Your Unfair Advantage: - Real-Time Precision: We use live price feeds - not static data - ensuring your risk calculations are accurate down to the pip, reflecting true market conditions. Essential for serious traders! - Global Account Support: Trading account in JPY, EUR, GBP, or another currency? No problem! STINU seamlessly supports multiple base account currencies. - Lightning Fast: Find your currency pair and calculate risk in just two taps. Plus, STINU instantly pre-calculates risk for multiple stop-loss distances, letting you adapt on the fly without re-entering data. Stay ahead of rapid market moves! - Commodities & Crypto Ready: Go beyond Forex! Get precise calculations for Gold, Silver, and Oil, including professional contract sizes. Full Crypto support is also built-in. - Leverage Independent: Your risk calculation remains accurate regardless of your account leverage. Focus purely on managing risk per trade. - Intuitive & Clean: No clutter, no confusion. A streamlined interface designed for speed and ease of use. Input parameters effortlessly. - Eliminate Costly Errors: Ditch manual calculations and spreadsheets. Trade with confidence knowing your size aligns perfectly with your risk tolerance (% or fixed amount). Bonus Value: - Free Tutorial: Get started quickly and master STINU's powerful features. - Expert Webinars: Learn market insights from senior trader Navin Prithyani (Urban Forex). Get Started Easily: - Free Trial Available: Explore all of STINU's premium features with our free trial. A subscription is required for continued access after the trial period. Take Control. Trade with Confidence. Optimize Your Risk. Download STINU today and experience the power of precise, effortless position sizing!

About

Sercus Pay

Features
Read full description

Sercus Pay is a digital payment platform that rewards you every time you spend. Whether you’re shopping at your favorite local business or trying something new, Sercus makes in-person payment fast, secure, and rewarding. How it works • Pay in seconds by scanning a merchant’s QR code with your phone at supported locations. • Get up to 30% off your purchase automatically at checkout • Earn points and cashback with every transaction • Redeem your points and cashback on your next visit. • Track your rewards in real time Why You’ll Love It Instant Saving – Enjoy automatic discounts at checkout, up to 30%. Real Rewards – Earn points and cashback on every purchase. Fast and Secure Payment – Pay with just your phone. No contact, no hassle. Track Everything – View your rewards, history, and savings in one place. Support Local businesses: Discover and pay at stores near you that accept Sercus Pay. Download Sercus Pay and start saving the smart way. Pay. Save. Earn. Repeat

Screenshots

STINU Position Size Calculator4 screens
Sercus Pay3 screens

Verdict

The call

The clearest difference is in-app purchases: Sercus Pay at none against STINU Position Size Calculator's 1. STINU Position Size Calculator's advantage is update cadence (every 2 weeks vs every 3 weeks). On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. STINU Position Size Calculator sells 1 in-app purchase, starting at $18.99 per year. Sercus Pay asks for nothing beyond the download.

UpkeepUpdate frequency

STINU Position Size Calculator ships an update every 2 weeks, Sercus Pay every 3 weeks. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
STINU Position Size Calculator versus Sercus Pay: the parameters behind the verdict, then further details
ParameterSTINU Position Size CalculatorSercus Pay
PriceFreeFree
Rating4.6 (834 ratings) — better—
Positive reviews45.9% of reviews—
Number of ratings834 — better—
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.0 — better15.5
Further details — not scored
Size60 MB50 MB
Age rating4+17+
DeveloperBlack Tower Investments Ltd.Sercus Inc.

Bugs and requests

STINU Position Size Calculator

Reported bugs

4 issues
  • Requests for market price fail
  • Unable to enter decimal values for pips
  • App crashes on certain devices
  • Incorrect lot size calculations

Requested features

5 requests
  • Add support for indices (US30, NAS100, SPX500)
  • Add support for cryptocurrencies and commodities
  • Allow calculations outside of market hours
  • Add a night mode/dark theme
  • Implement saved profiles for different account sizes

Sercus Pay

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

STINU Position Size Calculator

Subscriptions1
  • Annual Subscription7 Days trial$18.991 Year
None

Sercus Pay

No in-app purchases

Questions

Is STINU Position Size Calculator free?
STINU Position Size Calculator is free to download, with in-app purchases available.
Is Sercus Pay free?
Sercus Pay is free to download, with no in-app purchases.
Do STINU Position Size Calculator or Sercus Pay have ads?
Neither STINU Position Size Calculator nor Sercus Pay shows ads.
Which is updated more often, STINU Position Size Calculator or Sercus Pay?
STINU Position Size Calculator ships an update every 2 weeks, and Sercus Pay every 3 weeks. Most recently, STINU Position Size Calculator was updated on November 2, 2026 and Sercus Pay on November 5, 2026.

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