App Overview

The Spinners Keep icon

The Spinners Keep

Caleb Relliford · Utilities

Welcome to The Spinner's Keep – the dedicated digital assistant for tarantula hobbyists, arachnid enthusiasts, and invertebrate keepers.

$4.99

PRICE
$4.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet

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 included15 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 The Spinners Keep: map the core Utilities 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

Add features like community sharing and enhanced filtering.

Assumption to check: Limited functionality for spinner tracking and showcasing.

Validate with people who use this workflow before building.

Hypothesis 2

Implement iCloud sync for user data.

Assumption to check: No data synchronization or cloud support.

Validate with people who use this workflow before building.

Hypothesis 3

Introduce achievements and rewards for collecting.

Assumption to check: Poor user engagement due to lack of gamification.

Validate with people who use this workflow before building.

Hypothesis 4

Allow users to share their collection on social media.

Assumption to check: No social sharing options.

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

Welcome to The Spinner's Keep – the dedicated digital assistant for tarantula hobbyists, arachnid enthusiasts, and invertebrate keepers. Whether you are just starting with your first jumping spider or managing a massive collection of Old World tarantulas, keeping accurate records is vital for the health and success of your specimens. The Spinner's Keep replaces scattered notebooks and complex spreadsheets with a clean, mobile-friendly interface designed specifically for the needs of the hobby. Key Features: Organize Your Collection: Create detailed profiles for every spider in your keep. Record scientific names, common names, gender, acquisition dates, and specific enclosure details. Feeding Tracker: Never lose track of a schedule again. Log every feeding event, including the type of prey, size, and whether the meal was accepted or refused. Molt Monitoring: Track the growth and development of your arachnids. Log molt dates to predict future cycles and ensure your spiders are growing healthy and strong. Maintenance & Care: Keep notes on substrate changes, water refills, and general enclosure maintenance. Visual History: Upload photos to document color changes and growth spurts over time. Data at a Glance: Quickly view the last time a specific spider ate or molted right from the dashboard. Personality-Driven Care: Spiders aren't just specimens; they have character! Assign personality tags to your pets—from the "Calm" to the "Weird", and everything in-between. The app adjusts its care reminders with a touch of humor to match, reminding you to "Watch your fingers!" for the defensive ones or "Check for movement" for your shy species. Bitsy's Adventure: Need a break from tank maintenance? Jump into Bitsy's Adventure, a charming built-in mini-game. Guide Bitsy, our 8-legged mascot, through a web of challenges, collect treats and avoid water drops in this retro styled game. It’s a lighthearted way to celebrate the hobby we love. Why Use The Spinner's Keep? As a collection grows, it becomes difficult to remember who is in pre-molt, who refused their last cricket, or who is due for a rehousing. The Spinner's Keep centralizes this data, helping you spot health trends early and ensuring no specimen is overlooked. Perfect For: Tarantula Keepers (Theraphosidae) Jumping Spider Enthusiasts (Salticidae) Any invertebrate hobbyist looking to get organized. Download The Spinner's Keep today and take the guesswork out of arachnid care!

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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
react-navigation
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Zustand
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.