App Overview

Due - Reminders & Timers icon

Due - Reminders & Timers

Due Apps LLP · Productivity

Due remembers all the things that you need so you don't have to.

$7.99 · In-app purchases

PRICE
$7.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.7
2,789 ratings · Top 15%

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 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 Due - Reminders & Timers: map the core Productivity 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 reminder sounds and notifications.

Assumption to check: Limited customization options for reminders

Validate with people who use this workflow before building.

Hypothesis 2

Implement cloud sync to access reminders across devices.

Assumption to check: No cloud sync for reminders

Validate with people who use this workflow before building.

Hypothesis 3

Add more flexible recurrence rules for reminders.

Assumption to check: Lack of advanced recurring reminder options

Validate with people who use this workflow before building.

Hypothesis 4

Introduce advanced timer features like presets and intervals.

Assumption to check: Limited timer functionality

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

Due remembers all the things that you need so you don't have to. Because it repeatedly reminds you of things until you act on them, it‘s impossible to forget anything. Most importantly, it's lightning-fast to set and postpone reminders, all thanks to a clever time picker and natural date parsing. KEY FEATURES 1. Persistent & Effective Auto Snooze repeatedly* notifies you of missed reminders until marked done or rescheduled. Choose between intervals of every 1, 5, 10, 15, 30 and 60 minutes. 2. Fast to Set, Fast to Postpone A time picker with 12 preset and fully customizable times lets you set due dates and postpone reminders in record time. 3. Natural Date & Time Parsing Due can also parse dates and times that you typed or dictate and offer to set the due dates and times for you. 4. Countdown Timers Precise to the second, perfect for making the perfect soft-boiled eggs, brewing your coffee and more. Set them up once and reuse them forever 5. Powerful Recurring Reminders From the simple daily and weekly reminders to the complex every-3rd-Wednesday-of-the-month kind of reminders 6. Keep in Sync** Use iCloud or Dropbox to keep your reminders and timers in sync across your iPhone, iPad and Mac. 7. Works Offline, Completely Private There is no account to sign up for. We don't store, and we can't access your reminders and timers. And you don't need internet to receive reminders. 8. Accessible to Everyone Automatically adjusts text size according to your system setting, and offers full VoiceOver support. Due is also localized in 17 languages. * By default, auto snooze repeats 5 times, and can be configured to repeat up to 10 times. Due can auto snooze any overdue items indefinitely when you launch Due or act on any of its notifications. ** Sync on Mac requires Due for Mac (sold separately) WHAT'S THAT IN-APP PURCHASE ABOUT? When you purchase Due today, you will have access to every feature in the app today—no further purchase required. You will also get access to all new features released one year from your date of purchase. The optional Due Upgrade Pass subscription allows you to continue getting access to all new features released one year *after* your date of purchase. And here's the deal: Every feature that you have unlocked will remain available to you, forever—even if you stop subscribing. Even without a subscription, you'll always receive bug-fix and compatibility updates for free. These updates add support for the latest iPhones, iPads and Apple Watches. They also help ensure that Due continues to function well on the latest versions of iOS, iPadOS and watchOS. Due has a pretty good track record with that. To illustrate: If you've purchased Due back in 2010 for your iPhone 3G running iOS 4, that very same app in 2026 is now optimized for iPhone 17 Pro Max running iOS 26. It even works on devices that didn't exist back then, such as the iPad Pro and the Apple Watch. TERMS & PRIVACY POLICY Our terms of use and privacy policy is available here: https://www.dueapp.com/terms.html COMPATIBILITY Due requires an iPhone, iPod touch or iPad running iOS 16 or later. The Watch app is a companion to the iOS app. It requires watchOS 8 (or later) and the paired iPhone to work correctly.

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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.

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BUILD KIT DIFFICULTY
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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.