BPSTracker vs ZeroSigma
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BPSTracker
Monitor your Bull Put Spread options positions with real-time Greeks, P&L tracking, and risk management tools. Visualize trends, import data from screenshots, and analyze your trading history for better performance.
- Portfolio overview
- Real-time Greeks (Delta, Theta, Gamma, Vega)
- Daily Theta value tracking
- Risk indicators and alerts
- Greeks trend charts
- Screenshot import for positions
- Trading history and performance statistics
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Track your Bull Put Spread options positions with precision. BPS Tracker helps options traders monitor their credit spread positions with real-time Greeks, P&L tracking, and risk management tools. FEATURES: • Portfolio Overview - See total capital at risk, max profit, and unrealized P&L at a glance • Real-time Greeks - Delta, Theta, Gamma, Vega for each position • Daily Theta Value - Know exactly how much you earn from time decay • Risk Indicators - ITM warnings, near-expiry alerts, breakeven monitoring • Greeks Trend Charts - Visualize Delta, Theta, IV and spread cost over time • Screenshot Import - Automatically parse positions from brokerage screenshots • Closed Position Tracking - Record close reasons and realized returns • Trading History - Win rate, average RoR, and performance statistics FREE - EVERYTHING INCLUDED: No subscription, no ads. Every feature is unlocked for everyone: unlimited positions, 5-minute market data, full Greeks trend charts, historical IV, advanced Risk Bar, and custom alert thresholds. 30 AI analyses and 20 screenshot imports per month. DEMO MODE: Try the app with sample positions - no account required. Perfect for theta gang traders and anyone selling Bull Put Spreads. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.bpstracker.com/bpstracker/privacy
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.
- Real-time exposure metrics
- Strike-level positioning insights
- SPX/SPY dealer positioning
- Fast mobile interface
- Secure account access
- Options flow and volume tracking
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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
Screenshots
Verdict
The clearest difference is monetization model: BPSTracker at free against ZeroSigma's freemium. ZeroSigma's advantage is ratings volume (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, rating, update cadence and ads 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
Both are free to download. BPSTracker sells 2 in-app purchases, starting at $19.99 per month and ZeroSigma sells 2 in-app purchases, starting at $79.00 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for BPSTracker against 5.0 for ZeroSigma. Both are backed by a comparable volume of ratings — 1 and 3 respectively.
BPSTracker ships an update every 2 months, ZeroSigma monthly. The most recent releases landed on September 9, 2026 and September 4, 2026 respectively.
| Parameter | BPSTracker | ZeroSigma |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (3 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 5 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Tz-Je Lin | ZeroSigma |
Customer experience
BPSTracker
ZeroSigma
In-app purchases
BPSTracker
- BPSTracker Pro$19.991 Month
- BPSTracker Pro$179.991 Year
ZeroSigma
- ZeroSigma Premium$79.001 Month
- ZeroSigma Premium$699.001 Year








