App Overview

Spark: Daily Learning Puzzles icon

Spark: Daily Learning Puzzles

The Mind Company · Education

Spark is a free daily puzzle app where curiosity comes to play.

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
4.8
2,306 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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Free quick prompt For a smaller starting point

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 Spark: Daily Learning Puzzles: 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

Implement a larger pool of puzzles with user-generated content.

Assumption to check: Limited variety of puzzles can lead to user boredom.

Validate with people who use this workflow before building.

Hypothesis 2

Introduce a more detailed progress dashboard.

Assumption to check: Difficulty in tracking progress can frustrate users.

Validate with people who use this workflow before building.

Hypothesis 3

Make the paywall more user-friendly with clear benefits.

Assumption to check: In-app purchase prompts can be intrusive.

Validate with people who use this workflow before building.

Hypothesis 4

Incorporate social sharing and competition features.

Assumption to check: Lack of social features limits engagement.

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

Spark is a free daily puzzle app where curiosity comes to play. Each day, Spark explores a single theme, from rebellions and rockets to Pokémon and potatoes, through thoughtful puzzles spanning history, pop culture, science, geography, sports, and more. With four unique games and new puzzles every day, Spark makes learning part of your routine. Each game offers a different way to explore the day’s theme, whether you’re spotting connections, making comparisons, or reasoning through new facts. Learn as you play, without pressure, timers, or tests, just the joy of discovery. Spark’s games include: This or That: Choose between two options to learn more about the day’s theme
 Links: Find the common thread connecting people, places, and ideas Chrono: Put events in order to see how history really unfolded Knockout: Uncover surprising comparisons in a series of fun head-to-head matchups
 All of Spark’s puzzles are human-crafted by experts, not AI and designed to spark those “aha” moments that make ideas stick. Daily themes are explored from multiple angles, with an archive of hundreds of past puzzles so you can revisit previous topics anytime. Along the way, you’ll uncover facts that are fun to learn and even better to share. From the creators of Elevate and Balance, Spark is part of a collection of mental fitness apps designed to strengthen your mind. For additional information, please read our Terms of Service (https://themindcompany.com/terms-and-conditions?from=spark) and Privacy Policy (https://themindcompany.com/privacy-policy?from=spark).

Written user reviews are not shown here. Check current App Store reviews >

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
Redux
Axios
React Navigation
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.