Deja vs Chart AI
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Deja
Read full descriptionHide full description
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.
Chart AI
Read full descriptionHide full description
Chart AI combines five powerful tools in one app: snap any chart for instant AI analysis, practice with a paper trading simulator, learn with interactive trading courses, get daily AI-powered signals, and scan markets for opportunities, all personalized to your experience level and trading style. AI CHART ANALYZER: Take a photo or upload any chart screenshot. Our AI instantly analyzes patterns, identifies support and resistance levels, and provides educational insights with entry, stop loss, and take profit levels. Every analysis includes a counter-trade scenario showing what could go wrong. DAILY AI SIGNALS: Receive daily AI-generated signals across stocks, crypto, and forex markets. Each signal includes confidence scores and entry/exit levels. Filter by market to find signals relevant to your trading style. MARKET SCREENER: Scan thousands of assets in seconds. Filter by bullish/bearish patterns, momentum, volume spikes, and AI scores. Powered by live market data. TRADING SCHOOL: Learn trading from beginner to advanced with interactive lessons covering candlesticks, chart patterns, indicators, risk management, and trading psychology. Take quizzes to test your knowledge and earn XP. Ask our AI Tutor questions about any lesson. PAPER TRADING SIMULATOR: Practice trading risk-free with $10,000 in virtual money. Execute simulated buy and sell orders at live market prices. Track your virtual portfolio performance, win rate, and P&L โ all without risking a single dollar. IMPORTANT DISCLAIMERS: โข Chart AI is for EDUCATIONAL AND ENTERTAINMENT PURPOSES ONLY โข This app does NOT provide financial advice or trading recommendations โข AI analysis can and will make mistakes โ all results are approximate โข Past patterns and signals do NOT guarantee future results โข Trading involves SUBSTANTIAL RISK OF LOSS โ you could lose all your capital โข Always consult a licensed financial professional before making investment decisions โข Chart AI and Lowhill Digital L.L.C-FZ are NOT registered investment advisors or broker-dealers โข Paper trading results do not reflect real market conditions (slippage, liquidity, execution delays) Terms of Use: https://chartxray.com/tos.html Privacy Policy: https://chartxray.com/privacy.html EULA: https://chartxray.com/eula.html
Screenshots
Verdict
The clearest difference is in-app purchases: Deja at none against Chart AI's 9. On price, ads, device support and iOS requirement 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. Chart AI sells 9 in-app purchases, starting at $3.99 per 7 days. Deja asks for nothing beyond the download.
| Parameter | Deja | Chart AI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days | โ |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details โ not scored | ||
| Size | 73 MB | 42 MB |
| Age rating | 4+ | 17+ |
| Developer | JUHWAN LEE | Lowhill Digital L.L.C-FZ |
In-app purchases
Deja
No in-app purchases
Chart AI
- Chart AI Weekly โ 50% Off$3.997 Days
- Chart AI Monthly โ 50% Off$4.991 Month
- Chart AI Weekly โ 25% Off$5.997 Days
Show 6 moreShow fewer
- Weekly$6.997 Days
- Chart AI Monthly โ 25% Off$6.991 Month
- Monthly$9.991 Month
- Chart AI Annual โ 50% Off3 Days trial$19.991 Year
- Chart AI Annual โ 25% Off3 Days trial$29.991 Year
- Annual Pro3 Days trial$39.991 Year









