Tool Comparison
Reflexivity vs Tweenvest
- Paid from
- $99.99/mo
- Free plan
- Yes
- Platforms
- Web, API
Best if
- Delayed quotes won't cut it; you need real-time data
- You want an API so you can script or automate things
- You want quant, performance attribution, and scenario & stress tests.
- Paid from
- —
- Free plan
- Yes
- Platforms
- Web
Best if
- You want data visualizations, watchlist, and dividends.
- You're newer to investing and want something approachable
- You're a long-term investor who cares more about fundamentals than headlines
Pick Reflexivity if
Reflexivity
Free • From $99.99/mo · Web · API
- Delayed quotes won't cut it; you need real-time data
- You want an API so you can script or automate things
- You want quant, performance attribution, and scenario & stress tests.
Pick Tweenvest if
Tweenvest
Free • Paid plans available · Web
- You want data visualizations, watchlist, and dividends.
- You're newer to investing and want something approachable
- You're a long-term investor who cares more about fundamentals than headlines
Skip both if: Neither one clicks with how you research; there are strong third options.
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Our take
The bottom line
Reflexivity and Tweenvest cover a lot of the same ground (8 shared categories, including screeners, portfolio, and alerts), so for the basics you won't go far wrong with either. Reflexivity includes quant and performance attribution, and Tweenvest includes data visualizations and watchlist.
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Reflexivity
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Key differences at a glance
- Real-time data
- Reflexivity
- API access
- Reflexivity
- Asset coverage
- ReflexivityAdds bonds and commodities
- Beginner friendly
- Tweenvest
- Free plan
- Both
What Reflexivity does best
- AI research workflows over institutional datasets from providers such as S&P Global, LSEG Datastream, Nasdaq, Cboe, and other sources included in the platform.
- Tools for running Deep Research workflows that can analyze data, write and execute code, create research reports, and export data or visualizations.
- Search across filings, transcripts, presentations, central bank documents, and proprietary uploads through Document Intelligence.
- OCR on charts and tables so documents can become searchable and analyzable research inputs.
- Monitor portfolios with real-time alerts, risk and exposure analytics, performance attribution, and daily insight generation.
What Tweenvest does best
- Research coverage for companies through dashboards that combine tables, charts, financial data, estimates, filters, news, and valuation context.
- Screeners, watchlists, and favorites lists to organize research ideas, with limits expanding materially by plan.
- Tracking portfolios with performance, dividend context, and upcoming-event notifications, with portfolio capacity increasing on Pro+ and higher plans.
- Set stock price alerts and receive a notification when a target price is reached.
- Compare portfolio performance with a stock or ETF benchmark.
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 $99.99/mo | Free • Paid plans available |
Free tier | Yes | Yes |
Free trial | — | — |
Plan limits | 7 limits: Basic via IBKR: market coverage: US equities, Basic via IBKR: news sources: Benzinga only +5 more | 23 limits: Basic: coverage: US & Spain, Basic: history: 5 years +21 more |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | Yes | No |
Broker sync | No | — |
| Audience & fit | ||
Experience level | Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | Retail Traders, Pro Retail +5 more |
Categories covered | 13 | 15 |
Regions | North America, Europe, APAC, LatAm, Middle East, Africa | North America, Europe, APAC, LatAm, Middle East, Africa |
| Data & capabilities | ||
Data quality | Latency: Real-time and End of Day and Granularity: EOD | Latency: End of Day and Granularity: EOD |
Capabilities | 5 signals: Universe builder, Stress tests: Rates, FX, and EquityCrash +3 more | Universe builder |
Security | SOC2 | — |
| Try it | Visit Reflexivity | Visit Tweenvest |
Standout features
The best features of Reflexivity and Tweenvest.ShowHide
Standout features
What Reflexivity does best
- AI research workflows over institutional datasets from providers such as S&P Global, LSEG Datastream, Nasdaq, Cboe, and other sources included in the platform.
- Tools for running Deep Research workflows that can analyze data, write and execute code, create research reports, and export data or visualizations.
- Search across filings, transcripts, presentations, central bank documents, and proprietary uploads through Document Intelligence.
- OCR on charts and tables so documents can become searchable and analyzable research inputs.
- Monitor portfolios with real-time alerts, risk and exposure analytics, performance attribution, and daily insight generation.
What Tweenvest does best
- Research coverage for companies through dashboards that combine tables, charts, financial data, estimates, filters, news, and valuation context.
- Screeners, watchlists, and favorites lists to organize research ideas, with limits expanding materially by plan.
- Tracking portfolios with performance, dividend context, and upcoming-event notifications, with portfolio capacity increasing on Pro+ and higher plans.
- Set stock price alerts and receive a notification when a target price is reached.
- Compare portfolio performance with a stock or ETF benchmark.
All details
Every attribute we track for Reflexivity and Tweenvest.ShowHide
All details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFsBondsCommoditiesCurrencies | StocksETFs |
Experience | IntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Not specified | Retail TradersPro RetailLong-term InvestorsValue InvestorsGrowth InvestorsDividend InvestorsSwing Traders |
Regions | North AmericaEuropeAPACLatAmMiddle EastAfrica | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Coverage details | Identifiers: Ticker | Identifiers: Ticker |
| Data | ||
Data freshness | Real-timeEnd of Day | End of Day |
Data granularity | EOD | EOD |
| Access & integrations | ||
Import methods | CSVManual | Not specified |
Export formats | Excel | Not specified |
| Plans & trust | ||
Security & compliance | SOC2 | Not specified |
Capability signals | Universe builderStress tests: Rates, FX, and EquityCrashPortfolio attributionCitation pinningAI summaries: Filings, Transcripts, and News | Universe builder |
Vendor & support | Knabble, Inc. (dba Reflexivity)Country: United StatesSupport: Email | TweenvestCountry: SpainFounded 2022 |
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 via IBKR”market coverage: US equities · news sources: Benzinga only · +2 more | Free“Basic”coverage: US & Spain · history: 5 years · +5 more |
| Entry paid plan | $99.99/mo“Plus via IBKR”market coverage: Global · alfred queries: Unlimited · +1 more | €9.99/mo“Pro”coverage: US, CA, Europe, UK · history: 10 years · +5 more |
| Tier 2 | — | €14.99/mo“Pro+”portfolios: Unlimited · positions: Unlimited · +1 more |
| Top plan | — | €19.99/mo“Unlimited”coverage: Worldwide · history: All · +4 more |
| Custom / enterprise | Contact sales“Institutional” | — |
Alternatives
Free alternatives
Questions we keep getting
What's the difference between Reflexivity and Tweenvest?
Reflexivity leans toward screeners, quant, and performance attribution, while Tweenvest puts more weight on screeners, data visualizations, and watchlist. They overlap in 8 categories, so for most people it comes down to workflow preference and price.
How much do Reflexivity and Tweenvest cost?
Good news: both Reflexivity and Tweenvest have free plans, so you can run them side by side and only pay if you hit a wall.
Which is better for beginners: Reflexivity or Tweenvest?
Tweenvest is the friendlier place to start; its interface takes less getting used to. Both work fine once you're past the basics.
Does Reflexivity or Tweenvest have an API?
Reflexivity has an API for programmatic access and custom integrations. Tweenvest doesn't, so you're working through its interface.
Should I choose Reflexivity or Tweenvest?
It depends on what you're after. Pick Reflexivity if quant and performance attribution matter to you; go with Tweenvest if you'd rather have data visualizations and watchlist. And if you only need the basics both share, let price decide.
What asset classes do Reflexivity and Tweenvest cover?
Both cover stocks and ETFs. Reflexivity also handles bonds, commodities, and currencies.
Does Reflexivity or Tweenvest have real-time data?
Reflexivity offers real-time data, which matters if you trade actively. Tweenvest 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.
Can I export data from Reflexivity and Tweenvest?
Reflexivity exports to Excel. Tweenvest is stingier about getting data out.
Which has a better stock screener: Reflexivity or Tweenvest?
Both Reflexivity and Tweenvest include stock screeners, and they differ more in interface than raw power; try both and see which one clicks for you.
Can I track my portfolio with Reflexivity or Tweenvest?
Yes, both do portfolio tracking: holdings, performance, and allocation in one place.
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Curation & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
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.