Deja vs Signodex
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
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.
Signodex
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Signodex is a research desk in your pocket. Not a feed of tips โ a panel of specialists that takes one asset apart, disagrees out loud, and keeps score of how often it was right. THE ANALYST DESK Pick a venue, pick an asset, choose how deep to go. Six specialists then go to work in parallel: โข Technical โ trend, structure, and where price has repeatedly turned โข Fundamental โ valuation for equities, issuance and network economics for crypto, carry for currencies โข Macro โ rates, the dollar, liquidity, and how the instrument moves with the broad tape โข Sentiment โ news flow and how positioning is leaning โข Risk โ argues against the emerging consensus and names what would invalidate it โข Chief Strategist โ reconciles every seat and states which arguments were discounted, and why The risk seat exists so the desk cannot produce agreeable mush. The chief must reconcile disagreement rather than average it away. A RECORD YOU CAN CHECK Every verdict is recorded and later scored against trusted market prices at 24 hours and 7 days. The results are published with confidence intervals rather than a single flattering number. Most tools tell you what they think. This one also tells you how often it has been right. 24 ASSET ROBOTS Per-symbol analysts covering crypto, equities, metals and currencies. Each publishes a daily read with its own accuracy record attached. MARKETS โข Crypto โ live prices and real candles โข Equities โ NASDAQ, NYSE, XETRA, LSE, Euronext, SIX, Tokyo, Hong Kong, Sydney โข Fundamentals โ P/E, forward P/E, EPS, dividend yield, market cap, 52-week range, reported in the currency the issuer actually filed in โข Metals and major currency pairs TOOLS โข Charts with candlestick, Heikin-Ashi and area modes, and full-screen landscape โข RSI, MACD, Bollinger Bands, EMA, VWAP โ with an indicator academy that explains what each one measures โข Instrument alerts on direction, confidence, price and percentage move โข Portfolio tracking and a watchlist that follows your account, not your handset โข Works offline with last-known prices, clearly marked with their age BUILT FOR PROFESSIONALS Eight languages. Full VoiceOver support. Dark and light themes. iPhone and iPad. IMPORTANT Signodex provides market data, technical analysis and AI-generated commentary for informational and educational purposes only. Nothing in this app is financial, investment or trading advice. Past performance does not guarantee future results. Markets carry risk, including the loss of capital. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://signodex.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Deja at none against Signodex's 8. Deja also leads on ads (none vs shown). Signodex's advantage is iOS requirement (13.4 vs 15.0). On price, update cadence 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. Signodex sells 8 in-app purchases, starting at $14.99 per month. Deja asks for nothing beyond the download.
Deja ships an update every 4 days, Signodex weekly. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.
| Parameter | Deja | Signodex |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days โ better | Weekly |
| Ads | No โ better | Yes |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.4 โ better |
| Further details โ not scored | ||
| Size | 73 MB | 64 MB |
| Age rating | 4+ | 17+ |
| Developer | JUHWAN LEE | CIGDEM CAN |
In-app purchases
Deja
No in-app purchases
Signodex
- Signodex Pro Monthly3 Days trial$14.991 Month
- Signodex Premium Monthly3 Days trial$29.991 Month
- Signodex Pro Annual3 Days trial$149.991 Year
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- Signodex Premium Annual3 Days trial$299.991 Year
- 100 Credits$1.99
- 500 Credits$6.99
- 1000 Credits$11.99
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- 2000 Credits$19.99









