App Overview

Truecaller: Premium Caller ID icon

Truecaller: Premium Caller ID

True Software Scandinavia AB · Utilities

With Truecaller, you can identify and block spam calls, search unknown numbers, and help protect your family with Family Protection.

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.4
252,879 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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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 Truecaller: Premium Caller ID: map the core Utilities 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

With Truecaller, you can identify and block spam calls, search unknown numbers, and help protect your family with Family Protection. With Truecaller Travel eSIM, you can now stay connected worldwide with seamless mobile data while traveling. Trusted by over 500 million users, Truecaller uses smart spam detection to help protect you from unwanted calls, scams, and fraud while keeping your communication safe and under control. CALLER ID & SPAM BLOCKING • A new Caller ID experience on iPhone with iOS 18.2 and above • Automatically identify spam, fraud, scam, and robocalls before you pick up • View and search previously identified calls directly in the Phone app • Block unwanted callers and reduce spam calls • Enable spam identification via Settings > Apps > Phone > Call Blocking & Identification • A paid subscription is required to access this feature TRUECALLER FAMILY PLAN: PROTECT YOUR LOVED ONES Share Truecaller Premium with your family and help keep your loved ones protected from spam, scam, and fraud calls. • Add up to 4 family members to your plan • Share Premium benefits with your family • Help your loved ones identify spam and fraud calls • Keep your family safer from unwanted callers • One subscription for the whole family TRUECALLER eSIM: GLOBAL DATA FOR TRAVEL Stay connected worldwide with Truecaller eSIM — fast, secure, and reliable mobile data wherever you travel. • Coverage in 155 countries across Europe, Americas, Asia, and more • Instant activation — no physical SIM required • Affordable prepaid plans with transparent pricing • No hidden roaming fees or unexpected charges • Flexible data options for any trip duration • Secure, stable connectivity wherever you go Available for users from selected markets: Italy, Sweden, Spain, France, Germany, Poland, Portugal, Romania, Netherlands, Belgium, Ireland, Austria, Finland, Czech Rep., Denmark, Hungary, United States, United Kingdom, Australia, Canada, New Zealand, Switzerland, Norway, Chile, Indonesia, Malaysia, South Africa, Egypt, Nigeria IDENTIFY ANY NUMBER • Search any phone number to find the name and relevant information • Works for both local and international numbers • Easily search numbers from your call history via share extension TRUECALLER PREMIUM: UPGRADE YOUR EXPERIENCE • Automatically identify and block spam calls • Remove all ads • Unlimited number lookups • See who viewed your profile • Family Plan for up to 4 members • Premium badge on your profile • Auto-renewing subscription with a free trial for new users Truecaller respects your privacy. Your phonebook is never made searchable or public. Terms of use: https://www.truecaller.com/terms-of-service Please note: Payment for auto-renewing subscriptions will be charged to your iTunes account upon confirmation. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription anytime in your Account Settings.

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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 spam detection algorithms.

Assumption to check: High number of spam calls reported by users.

Validate with people who use this workflow before building.

Hypothesis 2

Use community feedback to improve database accuracy.

Assumption to check: Inaccurate caller identification in some cases.

Validate with people who use this workflow before building.

Hypothesis 3

Simplify pricing tiers and provide clear benefits for each.

Assumption to check: Subscription model can be confusing.

Validate with people who use this workflow before building.

Hypothesis 4

Optimize API calls and improve loading times.

Assumption to check: App can be slow to load caller information.

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
Axios
React Navigation
Zustand
Expo Clipboard
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.