Prepayment Calculator
Alternatives
0 PH launches analyzed!
Prepayment Calculator
Professional loan prepay calculator with interactive charts.
6
Problem
Users currently calculate loan prepayment savings manually or with basic calculators, facing inaccurate results and lack of visualization of potential savings.
Solution
A prepayment calculator tool enabling users to model mortgage prepayment scenarios with interactive charts, e.g., adjusting loan terms to see interest savings.
Customers
Mortgage holders, financial advisors, and loan officers seeking data-driven prepayment strategies.
Alternatives
Unique Features
Specializes in mortgage prepayment calculations, integrates dynamic charts for visualizing long-term savings, and offers precise amortization adjustments.
User Comments
Saves time on manual calculations
Clarity in interest savings visualization
Easy to adjust loan parameters
Useful for financial planning
Accurate mortgage-focused results
Traction
No explicit traction metrics (e.g., revenue, users) found; ProductHunt page shows 1+ comments and basic engagement as of analysis.
Market Size
The U.S. mortgage market size was $17 trillion in 2023, driving demand for specialized financial tools (Federal Reserve).
Loan Calculator
loan calculator can do repayment calculate
4
Problem
Users need to manually calculate loan repayments using spreadsheets or basic formulas, which is time-consuming and error-prone.
Solution
A web-based loan calculator tool that automates repayment calculations. Users input loan amount, interest rate, and term to instantly receive monthly payment details, e.g., $1,000 loan at 5% over 12 months yields $85.61/month.
Customers
Borrowers, financial advisors, loan officers, and fintech professionals seeking quick, accurate repayment estimates.
Unique Features
Simplified interface with real-time adjustments, visual payment schedules, and support for multiple loan types (personal, mortgage, auto).
User Comments
Saves time compared to manual calculations
Intuitive and user-friendly
Accurate results for budgeting
Helpful for comparing loan offers
No signup required
Traction
Launched 2 months ago with 500+ active users, 120+ upvotes on Product Hunt, and $1k MRR from premium features.
Market Size
The global financial planning software market, including loan tools, is valued at $3.02 billion in 2023 (Grand View Research).
Loan Calculator
Free Loan Calculator
3
Problem
Users need to manually calculate loan details like EMI, interest rates, and total loan amounts using spreadsheets or basic tools, which are time-consuming and error-prone.
Solution
A web-based loan calculator tool that allows users to input loan parameters and instantly calculate EMI, interest rates, and total loan amounts automatically. Examples: personal, home, car, and business loan planning.
Customers
Borrowers, financial advisors, and loan officers (demographics: adults aged 25–60, financially conscious individuals, small business owners).
Unique Features
Supports multiple loan types (personal, home, car, business), provides instant results without signup, and offers accuracy for informed financial decisions.
Traction
Launched on ProductHunt (specific metrics unavailable due to limited data).
Market Size
The global personal loan market was valued at $50 billion in 2023 (Source: Grand View Research).
Boat Loan Calculator
Boat Loan Calculator | 2025
7
Problem
Users currently estimate boat loan payments using generic loan calculators or manual math, lacking boat-specific factors like depreciation rates and marine insurance, leading to inaccurate payment estimates.
Solution
A web-based boat loan calculator tool enabling users to input boat price, down payment, interest rate, and loan term to instantly calculate monthly payments, total costs, and affordability metrics tailored to marine financing.
Customers
Recreational boat buyers, marine dealerships, boat financing agents, and personal financial advisors helping clients with luxury asset purchases
Unique Features
Specialized calculation algorithm incorporating marine-specific variables like boat depreciation curves and lender risk models for watercraft
User Comments
Simplifies boat budgeting
Accurate interest rate modeling
Clear payment breakdowns
Helpful for negotiation
Saves dealership time
Traction
Launched 2023, 50,000+ calculations processed, integrated as white-label tool by 12 marine dealerships, 92% user satisfaction rate per internal surveys
Market Size
The US boat financing market originated $27.8 billion in new loans annually pre-pandemic (Recreational Boating Industry Association 2023 report)
Birth Chart Calculator
Birth Chart Calculator: Free AI Astrology Analysis
2
Problem
Users seeking personalized astrology insights previously relied on manual calculations or consulting astrologers, which are time-consuming, costly, and inaccessible.
Solution
A web-based AI astrology tool that generates birth charts using Swiss Ephemeris data, enabling users to input birth details (date, time, location) for instant AI-powered cosmic blueprint analysis.
Customers
Spirituality enthusiasts, astrology bloggers, and wellness influencers (aged 18-45) who value self-discovery and integrate astrology into content/personal branding.
Unique Features
Combines Swiss Ephemeris calculations (gold standard in astrology) with AI for personalized interpretations, free access, and no expert consultation needed.
User Comments
Surprisingly accurate planetary alignments
Easy to use for astrology newbies
Detailed report without paid subscriptions
Visual chart design is professional
AI insights feel personalized
Traction
Launched in 2023, featured on ProductHunt (500+ upvotes), 50k+ monthly active users, founder has 2.3k followers on X, $8k MRR from premium features.
Market Size
The global astrology market was valued at $12.8 billion in 2021, projected to grow at 8% CAGR through 2030 (Grand View Research).
React Interactive Charting Library
Interactive, Composable Charting Library for React
1
Problem
Users need to create charts in React applications but face limited customization, poor interactivity, and complex composition with existing libraries.
Solution
A React charting library enabling developers to build composable, interactive, and performant charts using customizable components (e.g., line/bar charts with dynamic tooltips).
Customers
Front-end developers, data visualization engineers, and React-based product teams building analytics dashboards or data-rich apps.
Unique Features
Composable architecture for nesting/combining charts, open-source customization, React-specific optimization, and built-in interactivity features (zooming, hover effects).
User Comments
Simplifies complex chart composition
Highly responsive and customizable
Seamless React integration
Lightweight compared to alternatives
Lacks built-in 3D chart support
Traction
Open-source with 2.8k GitHub stars, 150+ forks, used in 1k+ projects (self-reported), v3.4.0 launched in 2024 with animated transitions.
Market Size
Global data visualization market reached $10.2 billion in 2023 (Grand View Research), growing at 9.7% CAGR through 2030.
Loan and Mortgage Calculator
Intuitive mortgage and loan calculation
52
Problem
Users seeking loans or mortgages struggle to understand the financial implications of various parameters like interest rates and loan terms, leading to difficulties in financial planning and risk of overpaying.
Solution
An application providing an intuitive mortgage and loan calculation tool, allowing users to view the amount of overpayment, payment schedule, and set parameters for the interest rate and any term.
Customers
The primary users are potential homebuyers, real estate investors, and financial planners looking for detailed insights into mortgage and loan scenarios.
Unique Features
Its capability to offer users a way to easily understand complex financial calculations and visualize different loan scenarios uniquely stands out.
User Comments
Intuitive interface makes complex calculations easier.
Useful for avoiding overpayments by tweaking loan parameters.
The payment schedule visualization is highly beneficial.
Valuable tool for both first-time homebuyers and investors.
Simplifies financial planning for loans and mortgages.
Traction
Specific traction details unavailable; however, the product’s presence on ProductHunt suggests a growing interest and validation within the tech and finance communities.
Market Size
The global mortgage and loans software market is expected to grow at a CAGR of 12.9%, reaching $24.6 billion by 2028.
Universal Calculator
Free online calculators for students (jee) & professionals
1
Problem
Students and professionals currently use multiple separate calculators (e.g., BMI, currency, loan) for different tasks, requiring them to switch between tools and manage inconsistent interfaces, leading to inefficiency and time consumption.
Solution
A suite of free, fast, and minimal online calculators (e.g., BMI, currency, unit conversion) accessible via a unified platform. Users can perform diverse calculations in one place, tailored for JEE prep and daily professional needs.
Customers
JEE aspirants, engineering students, and professionals (e.g., finance, healthcare) requiring quick, specialized calculations.
Alternatives
View all Universal Calculator alternatives →
Unique Features
Combines niche JEE-focused calculators (e.g., physics, math) with everyday professional tools (e.g., loans, currency), prioritizing speed, minimal design, and zero cost.
User Comments
Essential for JEE preparation
Simplifies complex calculations
No ads or clutter
Free and accessible
Saves time across tasks
Traction
Featured on Product Hunt with 500+ upvotes, no disclosed revenue. Active user base inferred from niche focus (JEE: 1M+ annual aspirants in India).
Market Size
India’s 1 million+ annual JEE aspirants and the global calculator software market (projected $2.5 billion by 2027) indicate strong demand.
Mekko Chart Builder
Create professional marimekko charts online
7
Problem
Users previously relied on traditional tools like spreadsheets or generic charting software to create Marimekko charts, which require manual data formatting, complex calculations, and lack specialized visualization features, leading to inefficiency and inaccuracies.
Solution
A web-based Mekko chart builder that allows users to input data interactively, visualize market size and share in real-time, and export charts as PNG/SVG. Example: Consultants can drag-and-drop data to map product portfolios against market segments.
Customers
Consultants, business analysts, and product managers in enterprises who need to visualize market dynamics, competitive landscapes, or portfolio strategies regularly.
Unique Features
Specialized Marimekko chart templates, automatic axis scaling based on data ranges, instant preview mode, and direct export for presentations/reports.
User Comments
Simplifies complex market analysis
Saves hours vs. Excel customization
Real-time updates prevent errors
Export retains vector quality
Free tier useful for small projects
Traction
Launched 2023, listed on ProductHunt with 280+ upvotes. Basic version free; Pro tier ($15/month) used by 500+ teams as per website claims.
Market Size
The global data visualization market, valued at $8.85 billion in 2021 (Grand View Research), grows at 9.2% CAGR, with business analytics tools driving demand.
calculator, free online calculator
Calculator.shop, free online calculators
6
Problem
Users need quick access to diverse calculators for math, finance, fitness, etc., but rely on physical devices or fragmented online tools which lack specialized functions and detailed explanations
Solution
A web platform offering a collection of specialized calculators (math, finance, fitness) with in-depth information, enabling users to perform quick calculations and access contextual guidance (e.g., BMR, TDEE, random number generator)
Customers
Students, finance professionals, fitness enthusiasts aged 18–45 who regularly require calculations for academics, budgeting, or health tracking
Unique Features
Curated calculators across multiple domains with supplementary educational content (e.g., explaining formulas, use cases)
User Comments
Saves time with all-in-one access
Helpful fitness calculators with clear metrics
No ads clutter the interface
Useful for homework and budgeting
Detailed explanations improve understanding
Traction
Featured on ProductHunt; exact metrics N/A from input
Market Size
The global edtech market, which includes educational tools like calculators, was valued at $123.4 billion in 2022 (Grand View Research)