Prospero.ai

AI stock picker that turns market data into plain signals

Beginner
Screenshot of Prospero.ai, AI stock picker that turns market data into plain signals

What is Prospero.ai?

Prospero.ai is an AI stock research app for retail investors. It compresses large volumes of market data into visual signals, trend reads and short lists of top picks, and is backed by two paid investing newsletters with published performance versus the S&P 500.

Prospero.ai is an AI investing app built around a simple premise: most retail investors do not need more raw data, they need fewer, clearer signals. The product pulls together millions of market data points and condenses them into scorecards and short lists that rank stocks by potential, so a user can look at a single company and get a fast read on momentum, sentiment and institutional activity instead of building a spreadsheet from scratch. The core of the app is signal-driven stock selection. Prospero highlights trend recognition, market sentiment and real-time insight into market-moving institutional actions, then presents the results visually so a stock can be assessed in seconds. Curated lists (the app calls them Our Picks) narrow the universe to a small set of higher-conviction names, which is useful for people who find a full screener overwhelming. Signals are framed as research validation rather than as a trading bot: the tool surfaces evidence, the user decides what to do with it. The audience is primarily self-directed retail investors, from casual buyers who want a readable overview to more active traders who want a second opinion before sizing a position. Two paid newsletters sit alongside the app, one focused on a smaller higher-conviction portfolio with bi-weekly updates, the other publishing near-daily opportunistic trade ideas ranging from sector and macro plays to event-based options strategies. Prospero states historical performance for both versus the S&P 500, and those figures come from the vendor and should be treated as marketing claims rather than audited results. Compared with full brokerage research desks or heavyweight terminal software, Prospero trades depth for speed and accessibility. It does not replace a broker, and the free app is the main entry point, with the newsletters and a crowdfund offering on Republic as adjacent revenue lines. Investors who want transparent methodology, backtested data and explicit risk disclosures should read the learning center carefully before acting on any signal. None of this is investment advice, and past performance shown on the site is not a guarantee of future returns.

How do you use Prospero.ai?

  1. 1Install the app on iOS or Android
    Prospero is distributed through the App Store and Google Play. Download the free app to reach the signal dashboard and stock lists.
    Prospero.ai — Install the app on iOS or Android
  2. 2Read the learning center before trusting a signal
    The resources section explains how the signals are constructed and defines the terminology used in the charts. Start there so the scores mean something when you see them.
    Prospero.ai — Read the learning center before trusting a signal
  3. 3Review a stock scorecard
    Open an individual ticker to see its signal breakdown, sentiment read and trend picture in one place. This is the fastest way to gauge whether a name deserves further work.
  4. 4Work through the curated picks list
    Use the short list of top-ranked stocks to narrow your watchlist, then compare those names against your own thesis before committing capital.
  5. 5Add a newsletter if you want trade ideas
    The investing and trading newsletters publish portfolio updates and specific setups. Subscribe on Substack if you want that layer beyond the app.
    Prospero.ai — Add a newsletter if you want trade ideas
  6. 6Contact support for account issues
    The help center handles login, billing and app problems. Check it before assuming a data or account fault.
    Prospero.ai — Contact support for account issues

Pros and cons

Pros

  • Signal-driven scorecards make a single stock readable in seconds rather than after a long manual research sessionAI
  • Curated short lists cut the universe down to a smaller set of higher-conviction namesAI
  • Combines sentiment, trend recognition and institutional activity in one viewAI
  • Free core app lowers the barrier for casual investors who want a second opinionAI
  • Two newsletters cover different styles, a slower conviction portfolio and near-daily opportunistic tradesAI

Cons

  • Performance figures versus the S&P 500 are vendor-reported marketing claims with no independent audit on the homepageAI
  • Methodology behind the scores is not explained on the landing page, so users must dig into the learning center to judge itAI
  • Historical track record covers only a few years (newsletters since 2023), a short window for judging a strategyAI
  • Newsletters are a separate paid product, so the most actionable trade ideas sit behind an additional subscriptionAI
  • No stated brokerage integration, meaning signals have to be executed manually elsewhereAI

How much does Prospero.ai cost?

Pricing

The app is presented as free. The two newsletters are separate paid subscriptions published on Substack, and the company is also running a crowdfund on Republic for equity investment in Prospero itself. No app subscription tiers or specific prices are listed on the homepage.

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Support

A dedicated support portal at support.prospero.ai handles account and product questions. The site also links a learning center and newsroom for methodology and press context.

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Features

Signal-driven stock picks, trend recognition and market sentiment analysis built from large volumes of institutional and market data. Curated top-stock lists, visual scorecards for fast per-stock review, plus two newsletters covering a conviction portfolio and near-daily trading setups with published performance versus the S&P 500.

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Frequently asked questions about Prospero.ai

  • How much does Prospero.ai cost?
    The app is presented as free. The two newsletters are separate paid subscriptions published on Substack, and the company is also running a crowdfund on Republic for equity investment in Prospero itself. No app subscription tiers or specific prices are listed on the homepage.
  • How do you use Prospero.ai?
    The walkthrough on this page covers 6 steps: 1. Install the app on iOS or Android 2. Read the learning center before trusting a signal 3. Review a stock scorecard 4. Work through the curated picks list 5. Add a newsletter if you want trade ideas 6. Contact support for account issues.
  • What platforms does Prospero.ai support?
    Prospero.ai is available on iOS, Android and Web App.
  • What are the limitations of Prospero.ai?
    Performance figures versus the S&P 500 are vendor-reported marketing claims with no independent audit on the homepage. Methodology behind the scores is not explained on the landing page, so users must dig into the learning center to judge it. Historical track record covers only a few years (newsletters since 2023), a short window for judging a strategy.

Status

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Added10/21/2026

Platforms

iOSAndroidWeb App

Pricing

FreeSubscription