App Overview

Social Security Calculator icon

Social Security Calculator

Denton Kollar · Finance

What is the best age to start your Social Security benefits? What if you start at 62 with reduced benefits, but invest and get compound interest? Or is it a good idea for you to wait until 70 for increased benefits?

$0.99 · In-app purchases

PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.1
8 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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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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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.

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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 save their input data for future calculations.

Assumption to check: Limited user customization options for input fields

Validate with people who use this workflow before building.

Hypothesis 2

Provide more features in the free version before prompting for a purchase.

Assumption to check: In-app purchases for basic features can frustrate users

Validate with people who use this workflow before building.

Hypothesis 3

Include tooltips or explanations for each input field.

Assumption to check: Lack of visual explanations for calculations

Validate with people who use this workflow before building.

Hypothesis 4

Enable users to share their calculated benefits on social media.

Assumption to check: No social sharing options for results

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

What is the best age to start your Social Security benefits? What if you start at 62 with reduced benefits, but invest and get compound interest? Or is it a good idea for you to wait until 70 for increased benefits? The Social Security Calculator is a powerful estimating tool that can answer these questions and help you plan for retirement. [ Features ] • Estimates the most profitable starting age for your benefits based on your income and life expectancy • Calculates your potential lifetime net income for all benefit starting ages so you can easily compare the results • Your date of birth and benefit amount at full retirement age are all you need to know (benefits at FRA can be found on your Social Security statement or by creating an account on SSA.gov) • Optionally include other monthly income, an interest rate for income, monthly expenses, and an interest rate for expenses • Optionally disable paying down expenses (potentially useful in situations when compounding income exceeds compounding expenses) • Detailed results are presented in interactive Summary, Spreadsheet, and Graph formats • Calculation inputs can be labeled and saved for quick retrieval and comparison • Robust in-app help via information buttons, getting started guide, glossary, and links to additional resources [ Interactive Results ] • Summary - a table of life expectancy ages with their most profitable starting ages for benefits. Rows can be expanded to show your estimated lifetime net income for every life expectancy age. The lifetime net income rows can be tapped to highlight the corresponding cell in the Spreadsheet. • Spreadsheet - detailed spreadsheet format showing your estimated lifetime net income for all Social Security starting ages and life expectancy ages. Each lifetime net income cell can be tapped to show more detailed information. The differences in lifetime net income amounts can be easily examined for all benefit starting ages. • Graph - calculation results displayed as lines depicting estimated lifetime net income for each Social Security starting age. Clearly illustrates the differences in lifetime net income for all benefit starting ages. Any starting age line can be toggled on or off. Tapping a point on the graph will display more detailed information. Supports zooming to show increased granularity. [ Disclaimer ] We have carefully followed the benefit rules from the Social Security Administration and have tested to ensure that our calculations are as accurate as possible. However, since we are not affiliated with the SSA, this app is only intended to be used for reference. Before making a retirement decision we strongly recommend reviewing SSA.gov and other resources for more information. (The app links to several useful resources in Help > Additional Resources.) Also please be aware that this app currently does not calculate spousal benefits or survivor benefits. If you would like us to add this functionality or have any other ideas to improve the app please let us know. [ Credits ] • App Design / Development - Denton Kollar • Original Concept / Consulting - Paul Cichocki

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Screenshots

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SUGGESTED BUILD STACK
React Native
Expo
react-native-paper
expo-router
@react-native-community/async-storage
react-query
BUILD KIT DIFFICULTY
Starter

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.