App Overview

Yahoo Fantasy Sports: NFL, NBA icon

Yahoo Fantasy Sports: NFL, NBA

Yahoo · Sports

Experience every moment of summer sports season with Yahoo Fantasy Sports! See why millions of fans choose our platform to play Fantasy Baseball, Fantasy Basketball, Fantasy Football, Fantasy Hockey, Daily Fantasy (DF...

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
979,419 ratings · Top 5%

Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.

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Build Kit

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A product spec, screen plans, and build steps for your coding agent.

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What's included18 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

Feature spec

Goal: Send a clear invoice after finishing a job.

  • Add a client, line items, a due date, and payment instructions.
  • Preview the total before exporting a PDF.
  • Keep an editable draft if export fails.

Screen plan

Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.

States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.

Differentiate and validate

Hypothesis: Contractors need faster repeat invoices more than more templates.

First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.

The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.

Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.

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Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Yahoo Fantasy Sports: NFL, NBA: map the core Sports workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

Screenshots

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App Store description

Experience every moment of summer sports season with Yahoo Fantasy Sports! See why millions of fans choose our platform to play Fantasy Baseball, Fantasy Basketball, Fantasy Football, Fantasy Hockey, Daily Fantasy (DFS), and join our bracket contest. Whether you're drafting your diamond dynasty or managing your tournament brackets, we provide the tools you need to play and win. 2026 FANTASY BASEBALL: EASIER & MORE FUN Join or create a league today to get ahead for the 2026 season with tools designed to help you manage your team from Opening Day to the playoffs: • Upgraded Commissioner Draft Tools: Everything you need to manage your draft is now all in the app, all in one place. Easily edit your league’s draft order, schedule and view draft times, choose draft formats, and more. • Draft With Friends: Instantly invite up to seven people to join you in a free public league. All you have to do is enter a free public draft room and tap the "Add Friends Pre-Draft" button to invite people to join your draft! • Start Active Players: A free feature that sets your lineup with a single tap, filling it with healthy players who have games scheduled so you never leave points on the bench. • A Social-First Community: Follow, react to, and talk with other fans about every big play from the games that matter most to your fantasy season. SEASON-LONG LEAGUE MANAGEMENT Lead your teams across all major sports with a robust suite of management tools. Join public leagues to compete with fans worldwide or create a private league to coordinate trades and talk trash with your crew in our social fantasy feed. ADVANCED ROSTER & DRAFT UTILITIES • Real-Time Live Scores: Follow every play with scoring updates that reflect your fantasy matchups as they happen. • The Waiver Wire: Submit claims for available players or manage your Free Agent Acquisition Budget (FAAB) to outbid rivals. • Mock Drafts: Prepare for draft day by practicing your strategy in live draft rooms against other managers. • Customizable Alerts: Set personalized notifications for game starts, scoring plays, roster news, and trade offers. DAILY FANTASY SPORTS (DFS) Experience the thrill of a new draft every day without the season-long commitment: • Flexible Contests: Enter daily or weekly salary cap contests for NFL, NBA, MLB, and NHL. • Secure Platform: Compete for prizes with verified distributions in a secure environment YAHOO FANTASY PLUS (Premium Tools) Gain a competitive edge with optional subscription-based tools (Subscription Required): • Draft Kits: Expert rankings, tiers, and real-time analysis tailored to your league. • Assistant GM: Optimize your lineup with win-probability insights. • Instant Mock Draft: Test strategies and roster constructions in seconds. CONNECT & CELEBRATE • Fantasy Feed: Communicate with league members through text, images, and GIFs to coordinate trades or talk trash. • Public & Private Leagues: Join a public league to compete with fans worldwide or create a private league for your crew. Download Yahoo Fantasy Sports today and join the community. Yahoo Fantasy is committed to responsible play. For more information visit [https://help.yahoo.com/kb/daily-fantasy/SLN27857.html](https://help.yahoo.com/kb/daily-fantasy/SLN27857.html)

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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.

Hypothesis 1

Create a cleaner, more minimalist design.

Assumption to check: User interface can be cluttered and overwhelming.

Validate with people who use this workflow before building.

Hypothesis 2

Implement better search and filtering options.

Assumption to check: Difficulty in finding leagues and players.

Validate with people who use this workflow before building.

Hypothesis 3

Allow users to customize scoring and settings.

Assumption to check: Limited customization options for leagues.

Validate with people who use this workflow before building.

Hypothesis 4

Optimize backend performance and load balancing.

Assumption to check: Inconsistent performance during peak times.

Validate with people who use this workflow before building.

Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

SUGGESTED BUILD STACK
React Native
Expo
Supabase
React Navigation
Zustand
React Query
BUILD KIT DIFFICULTY
Expert

From the Build Kit assessment.

A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.