Predixa vs ShadowAlpha AI
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Predixa
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Predixa is an AI-powered market analysis app providing predictive insights on SPY and S&P 500 trends. START WITH A FREE 14-DAY TRIAL Try all Pro features free for 14 days. No credit card required to start your trial. PRO FEATURES (Subscription Required): โข Weekly forecasts - Requires Pro subscription โข Daily tier rankings - Requires Pro subscription โข Future options analysis - Requires Pro subscription โข Economic calendar - Requires Pro subscription โข Real-time market updates - Requires Pro subscription After your free trial, your subscription will automatically renew unless cancelled at least 24 hours before the end of the trial period. You can cancel anytime in your App Store account settings. https://www.predixaweb.com/terms
ShadowAlpha AI
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ShadowAlpha AI tracks financial analysts and influencers across YouTube, X (Twitter), and RSS โ then scores them based on the actual accuracy of their stock predictions. Stop guessing which analysts to follow. ShadowAlpha ingests predictions from 50+ sources, monitors price targets, and calculates win rates, blended accuracy scores, and portfolio-level performance for every tracked analyst โ automatically. KEY FEATURES Analyst Leaderboard Ranked performance tracking across all monitored sources. Sort by P&L, win rate, or on-track percentage. Filter by time window. See exactly who is making accurate calls and who isn't. Prediction Search Search predictions by symbol, direction, outcome, source, and date. View full details including confidence levels, specificity tiers, entry and target prices, and the original analyst quote. Consensus Engine See where multiple analysts agree. ShadowAlpha aggregates predictions across sources and surfaces symbols with strong multi-analyst consensus, scored by confidence and source count. Custom Curated Feeds Build personalized feeds filtered by analyst quality, confidence thresholds, direction, specificity tier, sector tags, and more. Preview results before saving. Historical Backtesting Run simulations across any analyst or curated feed. Configure 20+ parameters including position sizing, stop losses, trailing stops, ATR-based exits, and options mode. View equity curves, trade logs, and sector breakdowns. Save parameter presets for quick reuse. Paper Trading Forward-test strategies with simulated portfolios. Track equity curves, open and closed positions, and P&L in real time. Supports both equity and options simulation modes. Portfolio & Watchlist Track your actual positions alongside relevant analyst predictions. See how consensus aligns with your holdings. Smart Alerts Configurable alert types โ target reached, price moves, hot streaks, high confidence predictions, trending symbols, and more. Set per-type thresholds and receive push notifications. Customizable Dashboard Drag-and-drop widget layout with notifications, consensus, leaderboard, and paper trading overview cards. SUBSCRIPTION ShadowAlpha AI is free to download with limited access. Full access to backtesting, paper trading, portfolio tracking, and curated feeds requires an active subscription. โข Monthly: $19.95/month โข Annual: $14.99/month (billed annually) โข 14-day free trial with both plans Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase. Terms of Use: https://shadowalpha.ai/terms Privacy Policy: https://shadowalpha.ai/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: ShadowAlpha AI at none against Predixa's 2. ShadowAlpha AI also leads on iOS requirement (16.4 vs 18.5). Predixa's advantage is update cadence (daily vs every 6 months). On price, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Predixa sells 2 in-app purchases, starting at $19.99 per month. ShadowAlpha AI asks for nothing beyond the download.
Predixa ships an update daily, ShadowAlpha AI every 6 months. The most recent releases landed on September 25, 2026 and October 1, 2026 respectively.
| Parameter | Predixa | ShadowAlpha AI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily โ better | Every 6 months |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.5 | 16.4 โ better |
| Further details โ not scored | ||
| Size | 25 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Lingxiao Ma | Alexander Jacobs |
In-app purchases
Predixa
- Monthly Pro$19.991 Month
- Yearly Pro$179.991 Year
ShadowAlpha AI
No in-app purchases









