Comparison

ZeroSigma vs RowFlow

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

Head to head
About

ZeroSigma

This app provides real-time options analytics for traders, focusing on dealer positioning and market structure. It tracks key exposure metrics and strike-level positioning to help understand potential price influences. The mobile interface offers a fast and focused way to monitor market data on the go.

Highlights
  • Real-time exposure metrics
  • Strike-level positioning insights
  • SPX/SPY dealer positioning
  • Fast mobile interface
  • Secure account access
  • Options flow and volume tracking
Features
Read full description

ZerσSigma is a real-time options analytics platform built for traders who want to understand dealer positioning and market structure. Track key exposure metrics across SPX, SPY, QQQ, and NDX, with explicit 0DTE and 1DTE views designed to separate today's positioning from the next expiration. Explore gamma exposure, delta exposure, vanna, charm, higher-order Greeks, volume, GEX Flow, and Dealer Directional Open Interest at the strike level. Switch between Normal and Delta-Adjusted gamma views and examine how positioning changes across strikes and expirations. ZerσSigma Mobile provides a fast, focused interface for monitoring market structure wherever you trade. Features: • SPX, SPY, QQQ, and NDX coverage • 0DTE and 1DTE positioning • Gamma Exposure with Norm and Δ-Adj views • Delta, Vanna, Charm, Theta, Speed, Vomma, and Zomma exposure • Dealer Directional Open Interest (DDOI) • GEX Flow and options volume • Strike-level positioning analysis • Real-time market data and exposure updates • Secure account-based access Create an account in the app to get started. Premium access requires an auto-renewable subscription. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/?utm_source=chatgpt.com Privacy Policy: https://zerosigma.co/privacy?utm_source=chatgpt.com

About

RowFlow

Read full description

RowFlow is an options-intelligence workflow for active traders. Scan unusual options activity, review ticker netflow, study dealer positioning, monitor alerts, and learn the concepts behind options flow and volatility. OPTIONS FLOW SCANNER Review unusual options activity, premium, volume, open interest, aggressor side, and concentrated contract activity. NETFLOW, GEX, AND HEATMAPS Analyze call and put pressure, gamma exposure (GEX), important market levels, skew, and premium heatmaps. ALERTS AND SCREENERS Follow configurable flow alerts, unusual market activity, and focused screeners in one mobile workflow. TRADE RESEARCH Build and review trade ideas with entries, stops, targets, Greeks, and clear risk context. EDUCATION Use built-in explanations to understand options flow, volatility, positioning, and risk. A RowFlow account is required. Premium digital features are available through App Store subscriptions. Existing RowFlow subscribers can sign in, and eligible purchases can be restored from the app. RowFlow provides market-data analytics and education. RowFlow is not a broker-dealer, does not connect to brokerage accounts, does not execute trades, and does not hold customer funds or securities. RowFlow does not provide personalized investment advice or guarantee outcomes. Options trading involves significant risk and is not suitable for every investor. Data may be delayed, incomplete, or inaccurate. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

ZeroSigma4 screens
RowFlow4 screens

Verdict

The call

The clearest difference is update cadence: RowFlow at fortnightly against ZeroSigma's monthly. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ZeroSigma sells 2 in-app purchases, starting at $79.00 per month and RowFlow sells 2 in-app purchases, starting at $20.00 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ZeroSigma ships an update monthly, RowFlow fortnightly. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

Scorecard1 real difference · 9 level
ZeroSigma versus RowFlow: the parameters behind the verdict, then further details
ParameterZeroSigmaRowFlow
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size31 MB66 MB
Age rating4+17+
DeveloperZeroSigmaRowflow LLC

In-app purchases

2 purchases

ZeroSigma

Subscriptions2
  • ZeroSigma Premium$79.001 Month
  • ZeroSigma Premium$699.001 Year
2 purchases

RowFlow

Subscriptions2
  • RowFlow Premium Monthly3 Days trial$20.001 Month
  • RowFlow Premium Annual3 Days trial$200.001 Year

Questions

Is ZeroSigma free?
ZeroSigma is free to download, with in-app purchases available.
Is RowFlow free?
RowFlow is free to download, with in-app purchases available.
Do ZeroSigma or RowFlow have ads?
Neither ZeroSigma nor RowFlow shows ads.
Which is updated more often, ZeroSigma or RowFlow?
ZeroSigma ships an update monthly, and RowFlow fortnightly. Most recently, ZeroSigma was updated on October 6, 2026 and RowFlow on October 7, 2026.

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