Tool Comparison
StockAlert Pro vs TrendSpider
- Paid from
- $19.99/mo, billed monthly
- Free plan
- Yes
- Platforms
- Web, API
Best if
- You'd rather start free and only pay if you outgrow it
- You want a lower paid starting price: $19.99/mo, billed monthly instead of $89/mo, billed monthly
- You want an API so you can script or automate things
- Paid from
- $89/mo, billed monthly
- Free plan
- No
- Platforms
- Web, Mobile
Best if
- Delayed quotes won't cut it; you need real-time data
- You do a lot of your research from your phone
- You want quant, backtesting, and auto-trading & bots.
Pick StockAlert Pro if
StockAlert Pro
Free • From $19.99/mo, billed monthly · Web · API
- You'd rather start free and only pay if you outgrow it
- You want a lower paid starting price: $19.99/mo, billed monthly instead of $89/mo, billed monthly
- You want an API so you can script or automate things
Pick TrendSpider if
TrendSpider
From $89/mo, billed monthly · Web · Mobile
- Delayed quotes won't cut it; you need real-time data
- You do a lot of your research from your phone
- You want quant, backtesting, and auto-trading & bots.
Skip both if: Neither one clicks with how you research; there are strong third options.
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Our take
The bottom line
StockAlert Pro and TrendSpider cover a lot of the same ground (6 shared categories, including alerts, stock ideas, and screeners), so for the basics you won't go far wrong with either. TrendSpider simply does more: 21 categories to StockAlert Pro's 11, including quant, backtesting, and auto-trading & bots, plus a mobile app. StockAlert Pro counters by letting you start free.
What readers say
StockAlert Pro
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TrendSpider
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Key differences at a glance
- Free plan
- StockAlert Pro
- Cheaper paid plan
- StockAlert Pro$19.99/mo, billed monthly vs $89/mo, billed monthly
- Broader coverage
- TrendSpider21 vs 11 categories
- Mobile app
- TrendSpider
- API access
- StockAlert Pro
- Real-time data
- TrendSpider
What StockAlert Pro does best
- Create alerts for price, technical, volume, fundamental, dividend, earnings, insider-activity, and scheduled conditions.
- Monitor supported stocks and ETFs during regular, pre-market, and after-hours sessions.
- Use AI equity reports and suggested alerts as research prompts before choosing conditions to activate.
- Run daily watchlist analysis that proposes up to three alert ideas for each tracked symbol.
- Browse a stock and ETF database, an undervalued P/E screen, a dividend calendar, and watchlists.
What TrendSpider does best
- Analysis of charts with automated trendlines and Fibonacci levels, pattern recognition, anchored studies, multi-timeframe overlays, heatmaps, Raindrop charts, relative performance, sector rotation, fundamentals, seasonality, and more than 300 indicators listed on the current pricing page.
- Tools for building technical, fundamental, pattern, AI-model, and alternative-data scans with visual scripting, multiple timeframes, more than 70 built-in scans, scheduled scans, smart watchlists, and exportable real-time Data Flow results.
- Tools for creating no-code long or short strategies in Strategy Tester, inspecting performance and price-behavior results, exporting trades, and forward-testing through bots.
- Set dynamic alerts on trendlines, drawings, and indicators, or combine market factors and timeframes in multi-factor alerts.
- Tools for running cloud strategy bots for signal monitoring and forward testing; attach webhooks to SignalStack, TradersPost, Alertatron, or another compatible service when external execution or workflow automation is required.
Side by side
Pricing comparison
See for yourself
Side by side
Price, platforms, data, and market coverage.ShowHide
Side by side
| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free • From $19.99/mo, billed monthly | From $89/mo, billed monthly |
Free tier | Yes | No |
Free trial | — | — |
Plan limits | 10 limits: Basic: active alerts: 5, Basic: watchlist stocks: 2 +8 more | 51 limits: Standard: paid trial: $19 for 14 days, Standard: regular annual billing: $648/year ($54/month equivalent) +49 more |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | Yes |
API access | Yes | No |
Broker sync | No | Yes |
Integrations | Slack and n8n | SignalStack, TradersPost +9 more |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Intermediate, Advanced |
Best for | — | Retail Traders, Pro Retail +5 more |
Categories covered | 11 | 21 |
Regions | North America, Europe | North America |
| Data & capabilities | ||
Data quality | 3 signals: Latency: 15-min Delayed and End of Day, Granularity: Minute and EOD +1 more | Latency: Real-time, 15-min Delayed, and End of Day and Granularity: Minute and EOD |
Data partners | — | 5 partners: ICE Data Services, Benzinga +3 more |
Capabilities | — | 6 signals: Custom formulas, Universe builder +4 more |
Security | Data residency: EU | Status page and Encryption in transit |
| Try it | Visit StockAlert Pro | Visit TrendSpider |
Standout features
The best features of StockAlert Pro and TrendSpider.ShowHide
Standout features
What StockAlert Pro does best
- Create alerts for price, technical, volume, fundamental, dividend, earnings, insider-activity, and scheduled conditions.
- Monitor supported stocks and ETFs during regular, pre-market, and after-hours sessions.
- Use AI equity reports and suggested alerts as research prompts before choosing conditions to activate.
- Run daily watchlist analysis that proposes up to three alert ideas for each tracked symbol.
- Browse a stock and ETF database, an undervalued P/E screen, a dividend calendar, and watchlists.
What TrendSpider does best
- Analysis of charts with automated trendlines and Fibonacci levels, pattern recognition, anchored studies, multi-timeframe overlays, heatmaps, Raindrop charts, relative performance, sector rotation, fundamentals, seasonality, and more than 300 indicators listed on the current pricing page.
- Tools for building technical, fundamental, pattern, AI-model, and alternative-data scans with visual scripting, multiple timeframes, more than 70 built-in scans, scheduled scans, smart watchlists, and exportable real-time Data Flow results.
- Tools for creating no-code long or short strategies in Strategy Tester, inspecting performance and price-behavior results, exporting trades, and forward-testing through bots.
- Set dynamic alerts on trendlines, drawings, and indicators, or combine market factors and timeframes in multi-factor alerts.
- Tools for running cloud strategy bots for signal monitoring and forward testing; attach webhooks to SignalStack, TradersPost, Alertatron, or another compatible service when external execution or workflow automation is required.
All details
Every attribute we track for StockAlert Pro and TrendSpider.ShowHide
All details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFs | StocksETFsOptionsFuturesCommoditiesCurrenciesCryptos |
Experience | BeginnerIntermediateAdvanced | IntermediateAdvanced |
Target audience | Not specified | Retail TradersPro RetailDay TradersSwing TradersAlgo TradersQuants/DevelopersInstitutional Investors |
Regions | North AmericaEurope | North America |
Coverage details | Countries: US, DE, and GB4 exchangesIdentifiers: Ticker | Countries: US4 exchangesIdentifiers: Ticker |
| Data | ||
Data freshness | 15-min DelayedEnd of Day | Real-time15-min DelayedEnd of Day |
Data granularity | MinuteEOD | MinuteEOD |
Data partners | Not specified | ICE Data ServicesBenzingaIntrinioQuiver QuantFINRA |
| Access & integrations | ||
API protocols | REST | Not specified |
API auth & delivery | Auth: APIKeySDKs: TS and PythonWebhooks | Not specified |
Import methods | Not specified | CSV |
Integrations | Slackn8n | SignalStackTradersPostAlertatronZapierMakeSlackDiscordIFTTT+3 more |
Export formats | JSON | CSV |
| Plans & trust | ||
Security & compliance | Data residency: EU | Status pageEncryption in transit |
Capability signals | Not specified | Custom formulasUniverse builderGreeksIV surfaceBroker syncAI summaries: Filings, Transcripts, and News |
Vendor & support | Adanos Software GmbHCountry: GermanySupport: Email | TrendSpider LLCSupport: Email, Chat, and Phone |
Curation ratings | Methodology 3/5Reliability 3/5UX 4/5 | Methodology 4/5Reliability 4/5UX 3/5 |
Green tags are exclusive to that tool in this comparison.
Pricing
Plans, billing, free trials, and monthly prices.ShowHide
Pricing
| Tier | ||
|---|---|---|
| Free plan | Free“Basic”active alerts: 5 · watchlist stocks: 2 · +2 more | — |
| Entry paid plan | $19.99/moBilled monthly“Premium (Monthly)”watchlist stocks: 100 · sms per month: 50 · +1 more | $89/moBilled monthly“Standard”paid trial: $19 for 14 days · regular annual billing: $648/year ($54/month equivalent) · +10 more |
| Tier 2 | Subscription“Premium (Annual)”watchlist stocks: 100 · sms per month: 50 · +1 more | $149/moBilled monthly“Premium”paid trial: $29 for 14 days · regular annual billing: $1,092/year ($91/month equivalent) · +10 more |
| Tier 3 | — | $199/moBilled monthly“Enhanced”paid trial: $39 for 14 days · regular annual billing: $1,464/year ($122/month equivalent) · +10 more |
| Top plan | — | $349/moBilled monthly“Advanced”paid trial: $49 for 14 days · regular annual billing: $2,568/year ($214/month equivalent) · +10 more |
Questions we keep getting
What's the difference between StockAlert Pro and TrendSpider?
StockAlert Pro leans toward alerts, calendar, and dividends, while TrendSpider puts more weight on data visualizations, screeners, and stock ideas. They overlap in 6 categories, so for most people it comes down to workflow preference and price.
Is StockAlert Pro or TrendSpider free to use?
StockAlert Pro has a free tier, so you can get started without paying anything. TrendSpider is paid-only. If budget matters, start with StockAlert Pro and see how far it takes you before opening your wallet.
Which is better for beginners: StockAlert Pro or TrendSpider?
StockAlert Pro is the friendlier place to start; its interface takes less getting used to. Both work fine once you're past the basics.
Can I use StockAlert Pro or TrendSpider on my phone?
TrendSpider lists a dedicated mobile app, so it travels better. StockAlert Pro doesn't list a dedicated mobile app; its documented access is web and API.
Does StockAlert Pro or TrendSpider have an API?
StockAlert Pro has an API for programmatic access and custom integrations. TrendSpider doesn't, so you're working through its interface.
Should I choose StockAlert Pro or TrendSpider?
It depends on what you're after. Pick StockAlert Pro if calendar and dividends matter to you; go with TrendSpider if you'd rather have quant and backtesting. And if you only need the basics both share, let price decide.
What asset classes do StockAlert Pro and TrendSpider cover?
Both cover stocks and ETFs. TrendSpider adds options, futures, and commodities on top.
Does StockAlert Pro or TrendSpider have real-time data?
TrendSpider offers real-time data, which matters if you trade actively. StockAlert Pro runs on delayed or end-of-day data, which is perfectly fine for longer-term investors who don't live and die by the tick.
Which covers international markets: StockAlert Pro or TrendSpider?
StockAlert Pro has documented international coverage (North America and Europe), so it's the safer bet if you hold non-US stocks. TrendSpider is more region-specific, mainly North America.
Can I export data from StockAlert Pro and TrendSpider?
TrendSpider exports to CSV. StockAlert Pro is stingier about getting data out.
Can StockAlert Pro or TrendSpider connect to my broker?
TrendSpider syncs with brokers automatically. With StockAlert Pro, you're entering holdings by hand or importing files.
Is StockAlert Pro or TrendSpider better for day trading?
TrendSpider is the one positioned more for active traders. StockAlert Pro is the better fit if you care less about fast trading workflows and more about a calmer research process.
Which has a better stock screener: StockAlert Pro or TrendSpider?
Both StockAlert Pro and TrendSpider include stock screeners, and they differ more in interface than raw power; try both and see which one clicks for you.
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Curation & Accuracy
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Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.