VOL. XCIV, NO. 247

★ BEST INVESTING TOOLS COMPARISON ★

NO ADVICE

Wednesday, April 15, 2026

Tool Comparison

13F Insight vs FlowAlgo comparison

Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.

13F Insight logo

13F Insight

13finsight.com

PricingFree, Subscription, Other
PlatformsWeb, API
FlowAlgo logo

FlowAlgo

flowalgo.com

PricingSubscription
PlatformsWeb
Top 50 Investing ToolsThe global ranking of the best investing tools, ranked by community votes.

At a glance

Platforms
13F InsightWeb, API
FlowAlgoWeb
Categories
13F Insight13
FlowAlgo3
Pricing details

Tool

13F Insight

Starting price

Free tierYes
Free trial

Plans & pricing

FreeFree
StandardSubscription
ProSubscription
EnterpriseContact sales

Tool

FlowAlgo

$99/mo

Starting price

Free tierNo
Free trial

Plans & pricing

Monthly$149/mo
Quarterly$129/mo
Annual$99/mo
Category leaders
Watchlist13F Insight
News13F Insight
AlertsTied
Insider Data13F Insight
Browse the #1 tool in 90+ categories

Vote sentiment comparison

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Platform details

Attribute13F InsightFlowAlgo
Asset types
StocksETFsOptionsBonds
StocksETFsOptions
Experience
BeginnerIntermediateAdvanced
BeginnerIntermediateAdvanced
Regions
North America
North America
Data freshness
Not specified
StreamingReal-time
API access
Not specifiedNot specified
Export formats
Not specifiedNot specified

Coverage overlap

Shared categories1

Categories where both tools offer overlapping coverage.

FlowAlgo strengths2

Categories covered by FlowAlgo only.

Frequently Asked Questions

What's the difference between 13F Insight and FlowAlgo?

13F Insight focuses on Data Visualizations, Watchlist, and Investor Holdings while FlowAlgo specializes in Options & Derivatives, Dark Pool & Off-Exchange, and Alerts. They overlap in 1 categories, so choose based on your preferred workflow and pricing.

Is 13F Insight or FlowAlgo free to use?

13F Insight offers a free tier that lets you get started without paying, while FlowAlgo requires a subscription. If budget is a concern, start with 13F Insight and upgrade later if you need more advanced features.

Does 13F Insight or FlowAlgo have an API?

13F Insight provides API access for programmatic data retrieval and custom integrations. FlowAlgo doesn't currently offer an API, so you'll need to use their web interface.

Should I choose 13F Insight or FlowAlgo?

Choose 13F Insight if you need Tracks institutional investors, analyzes 13F filings, and shows what hedge funds are buying and selling., and Covers SEC 13F institutional holdings, Form 4 insider transactions, and 13D/G beneficial ownership reports.. Go with FlowAlgo if Realtime monitoring of options order flow, with unusual activity detection and tracking of Intermarket Sweep Orders and option block trades., and Equity block and dark pool order data, paired with a dedicated “Dark Pool Insights” module. better fits how you invest.

What asset classes do 13F Insight and FlowAlgo cover?

Both cover Stocks, ETFs, and Options. 13F Insight also includes Bonds.

Does 13F Insight or FlowAlgo have real-time data?

FlowAlgo offers real-time data feeds, which is essential for active traders. 13F Insight uses delayed or end-of-day data, which works fine for longer-term investors who don't need up-to-the-second quotes.

Keep Exploring

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.