App Overview

Cal2Todo icon

Cal2Todo

Yasuko Shikiuchi · Business

THINK-OUT-OF-THE-BOX Calendar app - PROCRASTINATION MADE EASY!

$0.99 · In-app purchases

PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.0
1 ratings · Top 30%

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

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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 Cal2Todo: map the core Business 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 more intuitive navigation system between events and tasks.

Assumption to check: Users find it hard to navigate between tasks and events.

Validate with people who use this workflow before building.

Hypothesis 2

Allow users to customize priority levels and add tags.

Assumption to check: Limited customization for task priorities.

Validate with people who use this workflow before building.

Hypothesis 3

Incorporate push notifications for reminders.

Assumption to check: Lack of notification reminders for tasks and events.

Validate with people who use this workflow before building.

Hypothesis 4

Enable synchronization with Google Calendar or Apple Calendar.

Assumption to check: No integration with other calendar services.

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

THINK-OUT-OF-THE-BOX Calendar app - PROCRASTINATION MADE EASY! -Your EVENTS now appear as your TASKS. -You will never forget your appointments using this app. -You can push tasks back later. -It has an Intuitive design allowing you to quickly look at the day's agenda. -You can use Google calendar as well, if your built-in calendar is synced with Google calendar. Who will benefit most from this app? -Users who want only one integrated app to control their schedules rather than two separate apps (scheduler and todos). -Users who usually procrastinate and sometimes forget to do things. -Users who want to finish everything before going to bed. Convenient 4-day view -Fully compatible with the built-in iPhone calendar. -You access your recent appointments by tapping the buttons at the bottom of the screen. -Can display a count-down timer for your next appointment or event. -Colorful screen - pick different colors for different calendars Basic usage -Home screen has today's agenda. -When you finish events, you check them off. Once checked, it goes into the background. -Items in red are overdue. Items in yellow are upcoming appointments (Less than an hour) -Most importantly, when you realize that you do not have time to do something, hit PROCRASTINATE. Don't worry, It will come back in a couple of days!! Items can be deffered from 15 mins to 2 weeks. These settings are fully customizable. - Today update the date as of today - Tomorrow update the date as of tomorrow - Next week update the date as the same day next week - Morning update the time for the next few mornings. - Afternoon update the time for the next few afternoons. - Evening update the time for the next few evenings. - 1hr later push back 1hr - 3hrs later push back 3hrs - 5hrs later push back 5hrs - and more! Miscellaneous -The button on the top-left of your screen will toggle items to be visible/invisible. -You can edit your items on this app and the changes will appear on the original built-in calendar. -You can delete items by swiping & tapping. -You can select the calendar(s) of your choice. Note: -This calendar only focuses on the next four days (yesterday, today, tomorrow, and the day after tomorrow) -The app retains the "Check ON/OFF" data by tagging the item with an ID. Some apps might change this ID. If that is the case, Cal2todo might not work properly. -This app only communicates with the database when it starts, therefore, the icon badge will not be updated until you open Cal2todo.

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
Expo
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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.