App Overview

Proximum icon

Proximum

Luca Bellintani · Productivity

Proximum puts your next events where you actually look — the Home Screen, the Lock Screen, and StandBy — in a clean, customizable widget

$0.99

PRICE
$0.99
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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Build Kit

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

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What's included

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 Proximum: 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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App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

Screenshots

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App Store description

Proximum puts your next events where you actually look — the Home Screen, the Lock Screen, and StandBy — in a clean, customizable widget. No app to open, no clutter. Just what's coming up. It reads every calendar already on your iPhone, so iCloud, Google, Exchange and Outlook all show up together the moment you grant access. Nothing to configure, no extra sign-ins. THREE WAYS TO SEE YOUR DAY • List — a dense, glanceable agenda grouped by day • Spotlight — your next event front and center with a bold countdown • Timeline — a vertical time-spine with a live "now" marker SMART, AT A GLANCE • Automatic event icons — flights, workouts, birthdays, meetings, calls and more • A free/busy summary line: how many events today and when you're next free • A live progress bar on whatever's happening right now • Relative countdowns ("in 25m") so you always know how long you've got WIDGETS FOR EVERY SPACE • Home Screen — small, medium and large • Lock Screen — inline, rectangular and a countdown ring • StandBy — glanceable on your nightstand • A "+N more" row so a packed day never gets cut off awkwardly MAKE IT YOURS • Six hand-tuned themes, or build your own colors • Recolor every event to match the theme, add an ambient glow, or keep your calendar colors • Choose how many events, how many days ahead, and the density • Group by day; sort by time, duration or title • Font design and text size — including Easy-to-Read Times • Pick exactly which calendars appear, and mute events by keyword • Every widget can override the defaults with its own look A BEAUTIFUL IN-APP AGENDA Open Proximum for the full, scrollable version of your widget feed — the same curated events, grouped by day, with rich detail a tap away. PROXIMUM PRO — OPTIONAL, ONE-TIME Unlock once and keep it forever. Never a subscription. • One-tap Join — Zoom, Meet, Teams, Webex, Whereby and more, straight from the widget • Leave-by travel alerts — Proximum works out when you need to head out for your next event and tells you before you're late • Live Activity — your next event on the Lock Screen and in the Dynamic Island, counting down • Week at a Glance — a heat-map widget showing how busy your next seven days are • Day briefing and double-booking alerts, written entirely on your device • An optional morning digest notification, at a time you choose PRIVATE BY DESIGN Proximum reads your calendars read-only and renders them on your device. Your events are never uploaded, there are no accounts and no Proximum servers, and there is no tracking or advertising. What's on your calendar stays on your iPhone. Leave-by travel alerts are opt-in and off by default. Turn them on and your location and your event's address are used to ask Apple Maps for an ETA — exactly like asking for directions. Proximum never receives, stores or transmits that anywhere else. BUILT FOR iOS Native SwiftUI and WidgetKit, designed for iOS 17 and later. Light and dark, Dynamic Type friendly, and fast. Add Proximum to your Home Screen and always know what's next.

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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

Full offline with background sync

Assumption to check: No offline mode

Validate with people who use this workflow before building.

Hypothesis 2

Real-time sync with conflict resolution UI

Assumption to check: Sync issues

Validate with people who use this workflow before building.

Hypothesis 3

Minimal design, progressive feature disclosure

Assumption to check: Feature bloat

Validate with people who use this workflow before building.

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
Supabase
Expo
RevenueCat
BUILD KIT DIFFICULTY

Not assessed in a Build Kit yet.

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.