TradeZap AI vs Deja
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
TradeZap AI
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TradeZap AI scans the entire US stock market every 60 seconds to surface what's moving right now โ so you don't have to stare at charts all day. MARKET SCANNER See the top trending stocks across Large, Mid, and Small Cap categories. Green = gaining, Red = losing. Updated every 60 seconds during market hours. DIP BUYER SIGNALS Our algorithm identifies stocks that are down significantly but showing bounce signals. Each stock gets a Bounce Score (0-100) based on RSI, volume patterns, and mean reversion analysis. MOMENTUM RECOVERY Find stocks trading below their 30-day moving average but showing volume spikes and upward momentum. SOCIAL BUZZ TRACKER See which stocks are getting the most chatter across Reddit and Twitter/X. CONGRESSIONAL TRADES See what US Congress members are buying and selling per the STOCK Act. EARNINGS MOVERS Stocks that just reported earnings โ see who beat or missed. UNUSUAL VOLUME Stocks trading at 2x+ their average volume. SECTOR HEATMAP See which market sectors are hot and which are cold today. DISCLAIMER: TradeZap AI provides algorithmic signals for informational purposes only. This is not financial advice. Always do your own research before making investment decisions.
Deja
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Have you ever looked at a stock chart and thought, "I have seen this pattern before"? Deja finds historical charts that match your current pattern and shows you what happened next. Deja scans thousands of historical price patterns across stocks and crypto to find the ones most similar to the chart you are looking at right now. Then it tells you, with real statistics, how those similar patterns played out -- whether prices went up or down, and by how much. CORE FEATURES -- Pattern Matching Engine Deja identifies similar historical chart patterns across NASDAQ, NYSE, and crypto markets. Each match includes a similarity score so you know how closely it resembles the current chart. -- Statistical Predictions For each set of matched patterns, Deja calculates 1-day and 5-day predictions including win rate, maximum gain, maximum loss, IQR range, and median outcomes. No guesswork -- just data. -- Interactive Comparison Charts Overlay the current chart with any historical match to visually compare how patterns align. Switch between line and OHLC views. See exactly where the "similar part" is and what happened after. -- Customizable TP/SL Levels Set your Take Profit and Stop Loss using the metric that fits your trading style -- Max, Min, IQR bounds, or Median values. The chart updates in real time to show your selected levels. -- Live Price Data Real-time price updates via WebSocket with historical data merged seamlessly. Watch the current pattern develop as it happens. -- Multi-Market Coverage Browse and analyze charts from NASDAQ, NYSE, NYSE-ARCA, and major cryptocurrency pairs. HOW TO USE 1. Select a market category and symbol 2. View the live candlestick chart with prediction overlays 3. Scroll down to see the full statistical analysis 4. Explore individual similar chart matches 5. Use the data to inform your trading decisions Deja does not predict the future. It shows you what historically happened when similar patterns appeared. Use this information as one input in your trading analysis. Download Deja and start making data-driven trading decisions.
Screenshots
Verdict
TradeZap AI and Deja are too close to call on the numbers: across 6 compared parameters โ price, update cadence, ads and in-app purchases among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
TradeZap AI ships an update every 5 days, Deja every 4 days. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.
| Parameter | TradeZap AI | Deja |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days | Every 4 days โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 25 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | Venkatesan Parkunan | JUHWAN LEE |
In-app purchases
TradeZap AI
No in-app purchases
Deja
No in-app purchases









