How do their growth rates compare?

SimFin has a month-over-month growth rate of -27.5%; ZeroGPT has +19.7%.

How does pricing compare?

SimFin: Freemium. Freemium with four tiers. FREE costs $0 and includes the screener, 5 years of history and light API access. START is about $15/month, BASIC about $35/month and PRO about $71/month when billed annually, unlocking longer history, more high-speed credits and higher call-rate limits. A 50% student discount applies to BASIC, and Enterprise pricing is quoted on request. ZeroGPT: Freemium, Paid. Freemium with paid tiers. Core tools such as the AI detector, summarizer, and grammar checker are usable free in the browser, while MAX and EXPERT subscriptions unlock higher limits and premium features, and API access is sold separately for organizations.

What are alternatives to SimFin and ZeroGPT?

Other tools in related categories include Grammarly, QuillBot Paraphraser, GPTZero, Scribbr, Undetectable AI.

SimFin vs ZeroGPT — Traffic (15.39K vs 32.86M), Pricing & Verdict

Open AI Tools

SimFin vs ZeroGPT — Traffic (15.39K vs 32.86M), Pricing & Verdict | Open AI Tools

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	SimFin	ZeroGPT
Official Domain	simfin.com	zerogpt.com
Pricing Model	Freemium	Freemium, Paid
Monthly Visits	15.39K (15,391)	32.86M (32,864,541)
MoM Traffic Delta	-5.84K (-27.5%)	+5.41M (+19.7%)
Primary Market & Share	🇺🇸 United States (49.4%)	🇺🇸 United States (43%)
Direct Visits / mo	6.25K	8.22M
User Rating	4.4	3.8
Supported Platforms	Website	Website

SimFin

Fundamental stock data, screening and backtesting for self-directed investors

Fundamental stock screener

Filter thousands of stocks with 80+ built-in indicators and unlimited custom conditions, then visualize the matches as line charts, scatter plots or distribution plots.

Strategy backtesting

Test single stocks or weighted multi-criteria portfolios over 20+ years of history, with weekly to yearly rebalancing and sector benchmark comparisons.

Data API and bulk export

Pull the same dataset through a Python package, Excel plugin, JSON web API or CSV bulk download, with tiered call-rate limits from 2 to 20 requests per second.

High-speed credit system

Monthly credit budgets from 500 to 30,000 let heavy users run intensive screens and backtests without throttling the interactive app.

Strengths & Pros

+Transparent, traceable fundamental data built in-house rather than scraped from third parties
+Free tier is genuinely usable for screening and light API work
+Comparatively low subscription cost versus institutional data terminals
+Strong developer ergonomics through Python, Excel and JSON endpoints