App Overview

Team Shake icon

Team Shake

Rhine-o Enterprises LLC · Education

Team Shake provides a technological and environmentally friendly way to choose teams for board games, sporting events, tournaments, school projects or anytime groups are required

$1.99 · In-app purchases

PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.9
1,566 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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What's included17 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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> SELECT BUILD PLATFORM:

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

// RORK SYSTEM PROMPT
Rork plan preview for Team Shake: map the core Education workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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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

Allow users to customize team colors and member roles.

Assumption to check: Limited customization options for teams

Validate with people who use this workflow before building.

Hypothesis 2

Implement a feature to manage larger teams effectively.

Assumption to check: No support for large teams

Validate with people who use this workflow before building.

Hypothesis 3

Add features for team chat or announcements.

Assumption to check: Lack of collaboration tools

Validate with people who use this workflow before building.

Hypothesis 4

Enable user accounts to save and view past teams.

Assumption to check: No user profiles or history

Validate with people who use this workflow before building.

App evidence

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

App Store description

Team Shake provides a technological and environmentally friendly way to choose teams for board games, sporting events, tournaments, school projects or anytime groups are required. The newest release brings many new features including full iPad support, balancing teams based on skill or gender, importing users from a file, enabling video output, and sharing teams via facebook or email. Team Shake is the premier iOS App for creating teams. Instead of a hat and scraps of paper, the user enters his friends' names in his iPhone and gives it a shake. The screen will then display a random set of color-coded teams. These teams can immediately be used for game play or shared via facebook or email. The quick and easy selection of random (or balanced) teams eliminates fighting over who will be on which team. Innovative use of the iPhone shake gesture gives users the satisfying feeling of shaking a virtual hat without the trouble of carrying around an actual hat. Conventional buttons can also be used for those who would rather not shake their expensive hardware about.

 The app is designed with ease of use and simplicity in mind. Names can easily be entered with the onscreen keyboard, chosen from the user's contacts, or imported from a file. The email and facebook functions document the members of each individual team as well as preserving the team number and color assigned by the app. For repeated use of Team Shake, lists of friends can be easily saved and loaded later. The current list is also automatically saved so that if you exit the app, or even reboot the device, changes will not be lost. For teachers and others with large lists of people, Team Shake supports the ability to import teams from text or csv files. If you have any problems, feature requests, or comments please send an email to [email protected]. Features: * Create 1 to 64 random teams * Create completely random or balanced teams * Full iPad support * Eliminates fighting over choosing teams * Share / Save teams via email or Facebook * Teams can be chosen by the number of teams or by the size of teams. * Save lists of friends for later games * Import lists from email or spreadsheet * Export lists and options for use on another device * Satisfying feeling of shaking a “virtual” hat to create teams * Animated shaking hat * Entry of names via onscreen keyboard * Entry of names via iPhone contacts * Temporarily disable people who are absent * Set groups of people to always be on the same team * Set groups of people to always be on different teams * Set user strength to make more even teams (now supports fully balanced teams) * 5 users strengths level * Pick a single random person from the list of players * User strength indicator on the main screen (can be disabled in options) * Number of active players and total players is now displayed on the main screen * Video Out Support * Option to Sort Teams by Name * Option to balance male / female team members * "Equal Ability" option to create teams where all players have the same strength * Option to create separate male and female teams * Configurable Team Colors * Configurable Team Names * Print Support * Export Teams in CSV or XLS Format * Team Shake now supports simultaneously assigning players to multiple subteams and / or oppose teams at the same time. * Subteams / Oppose teams can now have customized names to make selection easier * Subteams / Oppose teams can now be enabled or disabled globally so that teams can be made quickly without subteams / oppose teams. In particular, Balance Teams Strengths will work when separate Male / Female teams are created. Yappler-Tags: Teams, Groups, Random, Hat, Entertainment, Games, Utilities

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Screenshots

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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
Redux
React Navigation
Async Storage
Expo Sensors
BUILD KIT DIFFICULTY
Starter

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.