App Overview

Freebie Estimate Maker App icon

Freebie Estimate Maker App

Estimate Maker s. r. o. · Finance

Create and send estimates to customers from your mobile phones or tablet with the most efficient estimate maker app

Free

PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 4.8
2,989 ratings · Top 5%

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.

Build your own version

Build Kit

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

First kit free with a verified email

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Combine features and design from your favorite apps.

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What's included15 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 Freebie Estimate Maker App: 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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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

Create and send estimates to customers from your mobile phones or tablet with the most efficient estimate maker app. Create estimates, send them as an email and track the whole process on your phone to keep your finances organized. Our SUPER estimate MAKER is one of the most simple app that allows you to create estimates quickly. It’s an intuitive, functional and efficient app for small and large businesses and for all entrepreneurs, contractors and freelancers who need to have all estimates in one place. In addition, it’s an easy-to-use app that can be used on the go by for anybody who needs a quick invoicing solution. WHY USE SUPER estimate MAKER: - Easy to understand - Nice interface - Intuitive - Functional - Saves time KEY FEATURES OF SUPER estimate MAKER: - Create and send professional estimates to customers quickly and easily - Save product or service details for faster invoicing later - Add discount on items or total amount - Automatic tax calculation - Excellent customizing options. Add your logo, signature, change color, select template - Share as PDF, Send as text, print or save a PDF file - Keep track of payments and debts with comprehensive statistics Create estimates by adding business details, client details, estimate details, items description and price, and any additional information like notes or images. Then, SUPER estimate MAKER calculates the amount and taxes for you. Get started for free, with premium plans available, billed monthly or annually. Beyond estimates, the app also handles invoices and delivery notes, with payment reminders and payment receipts. The plan, usage, features, and any free trial that apply to you are shown in the app before you subscribe — upgrade anytime for higher document limits and advanced features. Privacy Policy: https://www.estimate-maker.app/privacy Terms of Use: https://www.estimate-maker.app/terms

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

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

Provide more customizable templates and themes.

Assumption to check: Users find it difficult to customize estimates.

Validate with people who use this workflow before building.

Hypothesis 2

Integrate with more sharing platforms and export formats.

Assumption to check: Limited sharing options.

Validate with people who use this workflow before building.

Hypothesis 3

Optimize performance for handling larger data.

Assumption to check: Performance issues with large estimates.

Validate with people who use this workflow before building.

Hypothesis 4

Add functionality for multiple users to collaborate on estimates.

Assumption to check: No collaboration features.

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
react-navigation
@react-native-async-storage/async-storage
react-native-paper
TypeScript
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.