Comparison

TraderSync vs STINU Position Size Calculator

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

Head to head
About

TraderSync

Track your trading performance across various markets like stocks, crypto, and forex. Log trades with details, analyze performance with comprehensive reports, and identify areas for improvement to gain an edge.

Highlights
  • Trade journaling
  • Portfolio tracking
  • Performance reports
  • Stock, Crypto, Forex, Options, Futures
  • Trade execution logging
  • Notes and screenshots
Features
Read full description

TraderSync: AI Trading Journal Most traders repeat the same costly mistake for months without ever seeing it. And most trading ideas never get tested before real money is on the line. TraderSync fixes both. KNOW IF YOUR IDEA WORKS BEFORE YOU RISK MONEY ON IT Tell Cypher your strategy in plain English — no code, no formulas. It runs the idea against years of historical data and shows you how it would have performed. Test a hunch in the time it takes to type it. PRACTICE WITHOUT LOSING A CENT Step through real past sessions bar by bar and trade them as they unfolded. Build the instincts that normally take years — and cost thousands in losses to learn — without putting a dollar at risk. KNOW WHICH SETUPS ACTUALLY PAY Stop guessing which strategies work. See win rate, profit factor and P/L broken down by setup, market, time of day and position size — so you can double down on what works and cut what doesn't. CATCH THE MISTAKES THAT COST YOU MOST Tag mistakes as you log trades and watch the real cost add up. Most traders discover a single recurring error behind a huge share of their losses. ASK CYPHER ANYTHING ABOUT YOUR TRADING Your AI assistant reads your trade history and answers in plain language. Find the patterns buried in months of data without building a single spreadsheet. SEE YOUR PROGRESS AT A GLANCE A dashboard you arrange yourself, a calendar of green and red days, and interactive charts that put every trade in context. BUILT FOR EVERY MARKET YOU TRADE Stocks, Options, Futures, Forex and Cryptocurrency. WHAT'S INSIDE • AI backtesting from plain-English strategy descriptions • Market replay • Performance, daily P/L and trade management reports • Setup, mistake, market, volume, share and price reports • Weekly and monthly breakdowns • Executions, price action, P/L, notes and chart screenshots on every trade • Calendar view of daily and monthly results TraderSync requires an account. Sign up free at my.tradersync.com Read Our Terms and Condition https://tradersync.com/terms-and-conditions/

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!

Screenshots

TraderSync4 screens
STINU Position Size Calculator4 screens

Verdict

The call

The clearest difference is rating: STINU Position Size Calculator at 4.6 against TraderSync's 2.7. STINU Position Size Calculator also leads on review sentiment (46% vs 25%) and update cadence (every 2 weeks vs every 6 weeks). On price, ads, in-app purchases and monetization model 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. TraderSync sells 6 in-app purchases, starting at $29.99 per month and STINU Position Size Calculator sells 1 in-app purchase, starting at $18.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

STINU Position Size Calculator holds the better App Store score, 4.6 against 2.7. That said, the two scores are not equally well evidenced: STINU Position Size Calculator has 835 ratings behind it against 84, so its average is the more settled of the two. Written reviews point the same way: 25% of TraderSync's written reviews are positive against 46% of STINU Position Size Calculator's.

UpkeepUpdate frequency

TraderSync ships an update every 6 weeks, STINU Position Size Calculator every 2 weeks. The most recent releases landed on October 14, 2026 and October 18, 2026 respectively.

Scorecard4 real differences · 6 level
TraderSync versus STINU Position Size Calculator: the parameters behind the verdict, then further details
ParameterTraderSyncSTINU Position Size Calculator
PriceFreeFree
Rating2.7 (84 ratings)4.6 (835 ratings) — better
Positive reviews25.0% of reviews45.9% of reviews — better
Number of ratings84835 — better
Update frequencyEvery 6 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size2 MB60 MB
Age rating17+4+
DeveloperShockdavBlack Tower Investments Ltd.

Customer experience

TraderSync

All ratings84 ratings
Positive33.3%
Neutral14.3%
Negative52.4%
Written reviews64 reviews
Positive25.0%
Neutral15.6%
Negative59.4%

STINU Position Size Calculator

All ratings835 ratings
Positive90.2%
Neutral2.0%
Negative7.8%
Written reviews244 reviews
Positive45.9%
Neutral11.5%
Negative42.6%

Bugs and requests

TraderSync

Not enough reviews yet to summarise bugs or 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

In-app purchases

6 purchases

TraderSync

Subscriptions6
  • TraderSync Pro - Monthly$29.991 Month
  • TraderSync Premium Monthly$49.991 Month
  • TraderSync Elite Monthly Plan$79.991 Month
Show 3 more
  • TraderSync Pro Annual$179.991 Year
  • TraderSync Premium Annual$299.991 Year
  • TraderSync Elite Annual Plan$479.991 Year
1 purchases

STINU Position Size Calculator

Subscriptions1
  • Annual Subscription7 Days trial$18.991 Year

Questions

Is TraderSync free?
TraderSync is free to download, with in-app purchases available.
Is STINU Position Size Calculator free?
STINU Position Size Calculator is free to download, with in-app purchases available.
Which has better reviews, TraderSync or STINU Position Size Calculator?
STINU Position Size Calculator is rated higher. TraderSync averages 2.7 out of 5 from 84 ratings, while STINU Position Size Calculator averages 4.6 from 835 ratings.
Do TraderSync or STINU Position Size Calculator have ads?
Neither TraderSync nor STINU Position Size Calculator shows ads.
Which is updated more often, TraderSync or STINU Position Size Calculator?
TraderSync ships an update every 6 weeks, and STINU Position Size Calculator every 2 weeks. Most recently, TraderSync was updated on October 14, 2026 and STINU Position Size Calculator on October 18, 2026.

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