App Overview

Stick and Split icon

Stick and Split

NumberClub · Education

Stick and Split is a deceptively simple, addictive game

$2.99 · In-app purchases

PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.8
11 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 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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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 Stick and Split: 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

Introduce more diverse exercises and challenges to keep users engaged.

Assumption to check: Limited exercise variety can make learning feel repetitive.

Validate with people who use this workflow before building.

Hypothesis 2

Improve navigation flow and add tutorial pop-ups for first-time users.

Assumption to check: Some users may find navigation confusing.

Validate with people who use this workflow before building.

Hypothesis 3

Add leaderboards or challenges to increase user engagement.

Assumption to check: Lack of competitive features may reduce motivation.

Validate with people who use this workflow before building.

Hypothesis 4

Provide clearer explanations of what is included in purchases.

Assumption to check: In-app purchases can be unclear to users.

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

Stick and Split is a deceptively simple, addictive game. But what makes it so special is while they are playing it, children learn and practise their times tables, perhaps without even realising it. Research shows the more you think about something, the more likely you are to remember it. Most times tables games try to get children to answer simple questions like ‘what is 3 x 6?’ many, many times. The problem with this approach is it aims to get children to answer with the minimum of thought. So it’s no wonder children have to answer them thousands of times before they remember the answers. Many get bored and switch off before the memory sticks. Some children get anxious when they don’t know the answers, and research also shows feeling anxious is not a great way to make memories. Stick and Split has been carefully designed to encourage children to think much more about multiplication and division facts. There are no right or wrong answers, so it won’t induce anxiety. Instead they need to be constantly thinking what they need to do. The more they think, the more they remember. Reasons you’ll love Stick and Split: - Incredibly simple game play – you’ll learn how to play it in a minute - But with over 300 different levels, you’ll find there is so much to it - Covers up to 12x tables and division - Encourages children to think about what multiplication and division really mean, so they’re not just blindly “learning their times tables “ - Up to four children can have an account on the one device - Comes with advice for grown-ups supporting a child using the game - Stats show how much each child has played - An overview of all the levels shows you precisely what each child has done and enables them to jump to a level that’s suitable for them - A solid mathematical basis underpins the game - You won’t find a more cost-effective way to keep children occupied, thinking about numbers for hours

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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
Supabase
Zustand
React Navigation
react-native-reanimated
BUILD KIT DIFFICULTY
Intermediate

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.