App Overview

Acrobits: VoIP SIP Softphone icon

Acrobits: VoIP SIP Softphone

Acrobits · Productivity

Make voice and video calls, send messages, and stay connected with Acrobits Softphone App, a powerful and feature-rich SIP softphone designed for all your calling needs.

$6.99 · In-app purchases

PRICE
$6.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.2
47 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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What's included18 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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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 Acrobits: VoIP SIP Softphone: 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

Make voice and video calls, send messages, and stay connected with Acrobits Softphone App, a powerful and feature-rich SIP softphone designed for all your calling needs. BEFORE YOU BUY Acrobits Softphone is a SIP client app. It does not come with phone service: you sign in with the SIP account your VoIP provider, PBX or employer gives you. Note: this app does not support call transfer or conference calling. Acrobits Softphone works out of the box with many of the most popular VoIP providers and Bluetooth devices on the market. If you already have SIP service, from work or from any VoIP company, you are ready to go. It brings all the popular features you expect from a SIP app, including support for 5G, voice and video calling, push notifications, call handover between WiFi and data, multi-device compatibility, lifetime access to support and updates, and more. Keep a work line separate from your personal number. Carry a home-office extension in your pocket, or call over WiFi while traveling. Calls run over WiFi and mobile data, so your sip phone works wherever you have a connection, at home or abroad. Bring the account you already have. Acrobits Softphone is a standards-based SIP client, so it registers with Asterisk, FreePBX, 3CX, hosted PBX platforms and everyday business VoIP services alike. Sign in with your SIP account and you have a business softphone dialer that carries your work line anywhere. Encrypted SIP calling keeps every conversation private. Calls stay clear with support for popular audio standards, including Opus, G.722, G.729, G.711, iLBC, and GSM. Need video? It goes up to 720p HD with both H.264 and VP8. Pair it with the Bluetooth headsets and car kits you already use. Push notifications do the waiting, so the app stays reachable in the background. And voice is not the whole story: send messages from the same app when a call is too much. You can set it up your way, with custom call settings, ringtones, and UI options. And because it follows open standards, you are never locked in. Switch providers whenever you like and keep the same app, the same contacts, and the same settings. Acrobits Softphone makes it easy to communicate with friends and family on any device. And it runs on virtually all iPhones and iPads. Don't worry about hidden fees or subscriptions. You pay once, and lifetime support and updates are included. Secure VoIP is part of the deal rather than an upgrade. Try it today, and see why softphone users have trusted Acrobits since 2009.

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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 support for group calling and conferencing.

Assumption to check: Limited functionality for group calls

Validate with people who use this workflow before building.

Hypothesis 2

Implement advanced call quality management features.

Assumption to check: Inconsistent call quality

Validate with people who use this workflow before building.

Hypothesis 3

Simplify the SIP account setup process with better guides.

Assumption to check: Difficult SIP account setup

Validate with people who use this workflow before building.

Hypothesis 4

Allow users to customize themes and layouts.

Assumption to check: Limited customization options

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
Expo
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BUILD KIT DIFFICULTY
Advanced

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.