App Overview

Tandem - Living Together icon

Tandem - Living Together

Ride in Tandem, Inc. · Finance

Tandem is an essential app for any couple that lives together

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
4.3
743 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 included16 files

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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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 Tandem - Living Together: map the core Finance 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 automatic categorization and easy receipt scanning.

Assumption to check: Users struggle with manual expense entry and categorization.

Validate with people who use this workflow before building.

Hypothesis 2

Add features for managing group budgets and notifications.

Assumption to check: Limited group management features.

Validate with people who use this workflow before building.

Hypothesis 3

Enhance UI with clearer organization and minimal design.

Assumption to check: Some users find the UI cluttered.

Validate with people who use this workflow before building.

Hypothesis 4

Simplify the subscription model with clearer benefits displayed.

Assumption to check: In-app purchases can be confusing.

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

Tandem is an essential app for any couple that lives together. Download Tandem and create an account in minutes. SPLIT YOUR EXPENSES Say goodbye to endless Venmo requests, headaches, or spreadsheets. Share your expenses with a simple swipe. Set repeated expenses to split automatically. Settle up at any time, no mental math required. TRACK SPENDING Seamlessly track how much you spend together each month. As you share expenses, we’ll calculate the amount you’ve both spent, break it down by category, and highlight trends to give you helpful insights. COORDINATE YOUR DAY-TO-DAY The only to-do list exclusively built for two. Quickly add your joint tasks, assign categories & owners, and check them off as you go along. The easiest way to stay organized and accomplish tasks together. PLAN FOR PURCHASES Looking for furniture for the new place? Or finally replacing that old couch you’ve had since moving in together? Plan for big purchases by pinterest-style adding items to the app or browsing our recommendations. After, align on your favorites with your partner and buy directly from the app. SECURITY Tandem uses cutting-edge security technology to protect your sensitive information. FEEDBACK We love feedback -- contact us anytime. Email [email protected] or chat with us in the app! Terms of Use: https://www.usetandem.com/terms-of-use Privacy Policy: https://www.usetandem.com/privacy-policy

Written user reviews are not shown here. Check current App Store reviews >

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.

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BUILD KIT DIFFICULTY
Intermediate

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.