App Overview

iPlum: Business Phone Number icon

iPlum: Business Phone Number

iPlum, Inc. · Business

◆ Second business phone number calling & texting app.

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
4.3
1,607 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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Build Kit

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

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Combine features and design from your favorite apps.

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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/
Preview a sample Build Kit No email needed

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 iPlum: Business Phone Number: 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 advanced contact management with tagging and grouping.

Assumption to check: Limited features for managing contacts

Validate with people who use this workflow before building.

Hypothesis 2

Allow users to customize notification tones and settings.

Assumption to check: Lack of customization for notifications

Validate with people who use this workflow before building.

Hypothesis 3

Enable import of contacts from the device's existing contact list.

Assumption to check: No integration with existing phone contacts

Validate with people who use this workflow before building.

Hypothesis 4

Provide clearer information on features available at each subscription tier.

Assumption to check: Subscription model not clearly explained

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

◆ Second business phone number calling & texting app. ◆ Loved by professionals, best phone call app, no annoying ads, complete privacy. ◆ HIPAA compliance secure texting with Business Associate Agreement - BAA. ◆ Financial compliance with call recording and text archiving capabilities. ◆ Local USA, Canada or 1800 Toll-free phone number with calling & secure texting. ◆ Phone tree, Auto-Attendant with virtual receptionist and forwarding extensions. ◆ Cheap with low cost international calls to over 200 countries. ◆ Global call forwarding to multiple phone numbers. ◆ International roaming. ◆ Displays the caller id phone number . ◆ Personalized free voicemail. ◆ Great carrier grade reliable voice quality. ◆ Low cost voip domestic and international calling and texting. ◆ Send pictures, audio and video. ◆ Works with Wi-fi or 3G/4G/LTE worldwide. ◆ Port or transfer your existing number to iPlum. ◆ Pay As You Go or Unlimited plans. ◆ Available in 22 global languages on iPhone & iPads. ◆ Built and supported in California, USA. iPlum brings powerful communication features right to your smartphone. iPlum keeps your privacy by separating your business and personal communications. iPlum is a free app to download without any annoying ads. Your data is secure. Developed in California, trusted by businesses worldwide and featured in Entrepreneur Magazine. ________________________________________ iPlum is the most affordable way for individuals and small businesses to add a dedicated business line to their smartphones. What can iPlum do for you and your business? ● Flexibility: Take your business communication wherever you are and stay productive while on the go. If you’re a professional, small business owner or business traveler, wherever you’re at you’ll be able to stay connected, in contact and productive by ensuring access to your important business calls, texts, and voicemails. ● Privacy: Keep your personal and business life separate with a dedicated business line on your smartphone. ● HIPAA Compliance: Enable secure texting between doctor and patient with privacy and peace of mind. ● Domestic or International: You can be a user living in U.S.A , Canada or International country. Anyone can have iPlum and get the dedicated second phone number on their mobile. ● Save money: All the features of a traditional business phone system like Phone tree, Auto-Attendant with virtual receptionist and forwarding extensions for low cost. No roaming charges or long term contracts. iPlum offers a pay as you go system with local and international calls or text. iPlum is: ● Easy to use: Get up and running in a few minutes without any new hardware to configure or purchase. ● Reliable: The app is engineered to adapt to available data rates and latency of a broad range of Wi-Fi or cellular data channels. ● Affordable: Unlimited US/Canada toll-free calling. Pay as you go and purchase additional credits as needed. Subscriptions For your convenience, the monthly subscriptions will be charged to your iTunes account and renews automatically 24 hours before the end of the current period at the same costs unless auto-renew is turned off by you in your iTunes account. Privacy policy & Terms of Use: https://iplum.com/privacy/ About iPlum iPlum is a mobile technology company based in California USA. Dedicated to building great products, iPlum is finding innovative ways to simplify business communication for its customers. Contact Us We are happy to hear your feedback and help you solve any iPlum issues. Just email us at [email protected], and we'll respond to you promptly.

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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
Zustand
Axios
React Navigation
BUILD KIT DIFFICULTY
Expert

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.