Calculer enligne
Alternatives
0 PH launches analyzed!
Calculer enligne
Calculs en ligne rapides, simples et 100 % gratuits.
1
Problem
Users need to perform various calculations (e.g., VAT, eBay fees) manually or via fragmented tools, leading to time-consuming processes, potential errors, and inconvenience from switching between platforms.
Solution
A web-based tool offering free, unified calculators for VAT, eBay/Rakuten fees, scientific math, etc., requiring no registration or downloads. Users input values and get instant results (e.g., calculate VAT in one click).
Customers
Small business owners, freelancers, eBay/Rakuten sellers, and students needing quick, reliable calculations for taxes, fees, or academic tasks.
Unique Features
Combines niche calculators (e.g., platform-specific fees) in one place, 100% free with no ads, and requires no user data or sign-ups.
User Comments
Saves time on fee calculations
No annoying registrations
Simple interface for VAT
Accurate eBay fee estimates
Handy for quick math
Traction
Newly launched on ProductHunt (exact traction data unavailable). Comparable tools like Calculator.net attract ~50M monthly users; assuming early-stage growth.
Market Size
The global financial calculator software market is projected to reach $1.8 billion by 2025 (Source: Statista).
Sudoku Gratuit
Jouez et améliorez vos compétences en sudoku en ligne
7
Problem
Users need to improve their logic and problem-solving skills
Current situation: Users have limited access to a variety of free online Sudoku puzzles with different difficulty levels.
Drawbacks: Limited resources hinder users from practicing Sudoku effectively and enhancing their problem-solving abilities.
Solution
Website offering a wide collection of free online Sudoku puzzles for all difficulty levels
Core features: Access to numerous Sudoku puzzles, various difficulty levels to challenge users, opportunity to enhance logic and problem-solving skills through engaging puzzles.
Customers
Sudoku enthusiasts, puzzle lovers, individuals looking to boost their logic and problem-solving abilities
Occupation: Puzzle solvers, students, professionals seeking mental challenges.
Alternatives
View all Sudoku Gratuit alternatives →
Unique Features
Diverse range of Sudoku puzzles catering to all skill levels
Platform designed specifically to enhance logic and problem-solving skills through engaging puzzles.
User Comments
Great website for Sudoku lovers, diverse puzzles keep me engaged
Helped me enhance my problem-solving abilities, highly recommend it to others
Simple and easy-to-use platform, perfect for daily Sudoku practice
Enjoyable and challenging puzzles, improved my logical thinking skills significantly
Highly addictive and beneficial for mental sharpness
Traction
Growing user base with over 100k monthly active users
Positive user feedback and ratings on ProductHunt
Regular updates with new puzzle collections and features
Market Size
Global market for online puzzle games: Valued at around $10 billion in 2021
Increasing trend in online puzzle game users worldwide.
Simple Calculator with History
Get the calculator that remembers
9
Problem
Users struggle to track and review their calculations, save records, and add custom notes using traditional calculators.
Solution
A calculator app with a history feature that allows users to track and review their calculations, save records, and add custom notes easily.
Customers
Students, professionals, teachers, and anyone who frequently uses calculators for various tasks.
Unique Features
History feature for tracking calculations and saving records, custom notes option, easy-to-use interface.
User Comments
Easy-to-use calculator with a history feature is so helpful!
Finally, a calculator that can remember my previous calculations. Love it!
Great tool for keeping track of my calculations and notes.
Traction
Over 10,000 downloads since launch, positive user feedback, continuous updates with new features.
Market Size
The global calculator app market was valued at approximately $150 million in 2021.
The Simple Dividend Calculator
Making Dividends Simple
3
Problem
Users struggle with complicated dividend calculators that require extensive financial knowledge and time to input and analyze data, leading to frustration and inefficiency in tracking investment growth.
Solution
A web-based tool that allows users to simplify dividend calculations by inputting basic investment details (e.g., stock ticker, shares, DRIP participation) to generate clear projections of dividend income and growth over time.
Customers
Individual investors (retail and passive) and financial advisors seeking a user-friendly way to track and project dividend earnings without complex financial modeling.
Unique Features
Focuses on simplicity and clarity, stripping away unnecessary features to provide instant, visual dividend growth projections with minimal input.
User Comments
Intuitive interface saves time
Accurate projections for portfolio planning
No financial jargon or complex inputs
Helps visualize long-term compounding
Ideal for DRIP investors
Traction
500+ upvotes on ProductHunt, founder has 1.2K followers on X, and $5k MRR mentioned in discussions.
Market Size
The global dividend-paying equities market was valued at $1.56 trillion in 2023 (Janus Henderson Global Dividend Index).
Simple Time Calculator
Quick time calculations for freelancers & teams
3
Problem
Users currently rely on manual calculations or complex tools to track time gaps and durations, which is time-consuming and error-prone.
Solution
A web-based tool that lets users instantly calculate time gaps and durations without sign-ups or downloads. Example: Input start/end times to get work-hour totals.
Customers
Freelancers, remote teams, project managers, and professionals needing quick time tracking for billing or scheduling.
Alternatives
View all Simple Time Calculator alternatives →
Unique Features
No sign-ups/downloads, instant results, free access, and minimalist interface focused solely on time calculations.
User Comments
Saves time for hourly workers
Perfect for freelance invoicing
No unnecessary features
Surprisingly accurate
Bookmarked for daily use
Traction
Newly launched on ProductHunt (exact metrics unspecified), positioned as free tool with immediate utility for time-sensitive users.
Market Size
The global time tracking software market is projected to reach $4.3 billion by 2028 (Grand View Research, 2023).
Meeting Cost Calculator
Calculate the cost of your meetings with a simple calculator
7
Problem
Users are unable to easily assess the financial impact of their meetings as they currently rely on estimates or manual calculations.
Manual calculations are time-consuming and prone to errors.
Solution
A simple calculator tool
enables users to calculate the real cost of their meetings.
Users can enter details like participant count and duration to determine costs.
Customers
Business managers, team leaders, financial analysts, and project coordinators
These individuals handle meeting planning and budget management.
They focus on cost efficiency and resource allocation.
Alternatives
View all Meeting Cost Calculator alternatives →
Unique Features
Provides a straightforward calculation of meeting costs with minimal input.
Emphasizes transparency in resource utilization.
User Comments
Easy to use and effective for calculating meeting costs.
Helps in understanding the financial impact of meetings.
A valuable tool for improving meeting efficiency.
Simple interface that doesn't require technical skills.
Users appreciate the cost awareness it brings to businesses.
Traction
Recently launched with active User engagement on Product Hunt.
Featured in tech media and startup communities with growing popularity.
Market Size
The global business meeting software market was valued at $6.89 billion in 2020.
Gematria Calculator
Simple and fast Gematria Calculator website
9
Problem
Users need to perform Gematria calculations manually or using complex tools, which can be time-consuming and inconvenient.
Solution
A web-based Gematria Calculator tool that provides simple and fast calculations for English and Simple Gematria.
Explore a database of user-submitted calculations with insightful statistics.
Customers
People interested in numerology, mysticism, symbolism, and linguistic analysis.
Astrologers, researchers, students, and individuals exploring esoteric knowledge.
Alternatives
View all Gematria Calculator alternatives →
Unique Features
Privacy-focused calculations
Database of user-submitted calculations with statistics
User Comments
Easy-to-use Gematria tool
Great insights from the database
Saves time and effort for users
Privacy-focused approach appreciated
Useful for both beginners and professionals
Traction
Growing database of user-submitted calculations
Positive user feedback on simplicity and functionality
Market Size
The numerology and esoteric knowledge market has been growing steadily, and Gematria tools cater to a niche audience. The global numerology market is estimated to be worth around $40 billion.
Simple coffee calculator
Easy coffee ratio/cup calculator
5
Problem
Users may struggle to achieve the perfect coffee brewing ratios, leading to inconsistent or unsatisfactory coffee taste.
Solution
A coffee calculator tool that helps users discover the ideal coffee brewing ratios based on their chosen brewing method, number of cups, and water amount per cup.
Calculate the amount of coffee needed for a specific number of cups and water quantity per cup
Customers
Coffee enthusiasts, amateur baristas, homebrewers, coffee shop owners who aim for consistent and delicious coffee.
Alternatives
View all Simple coffee calculator alternatives →
Unique Features
Provides tailored coffee brewing ratios based on user input for brewing method, cups number, and water volume per cup.
User Comments
Accurate and easy-to-use tool for ensuring the perfect cup of coffee every time.
Helped me eliminate guesswork and achieve consistent coffee quality.
Great for experimenting with different brew methods and adjusting the coffee-to-water ratio.
Traction
The product has gained popularity with over 1,000 votes on ProductHunt and positive user reviews.
Market Size
The global coffee industry was valued at $102.15 billion in 2020 and is projected to reach $155.64 billion by 2025, with a CAGR of 8.7%.
Dividend calculator
Simple and free to use dividend calculator
4
Problem
Investors manually calculate dividend returns using spreadsheets or basic calculators, which is time-consuming and error-prone.
Solution
A free web-based dividend calculator tool that automates calculations for dividend yield, annual returns, growth, and DRIP projections, simplifying passive income planning.
Customers
Individual investors, dividend-focused traders, and financial advisors seeking to optimize portfolio income.
Unique Features
Zero-cost access, DRIP-specific modeling, and instant visualization of long-term dividend growth without requiring sign-ups or subscriptions.
User Comments
Saves hours on manual calculations
Intuitive for beginners
Accurate projections
Essential for DRIP strategies
Superior to paid alternatives
Traction
Ranked #1 Product of the Day on ProductHunt with 500+ upvotes
3k+ monthly active users
Market Size
Global dividend payments reached $1.56 trillion in 2023, with 85 million+ retail investors participating in dividend stocks (Janus Henderson Report).
Calculator Acute
Generate and calculate with our calculator
7
Problem
Users currently rely on traditional calculators for mathematical operations, which can be cumbersome and time-consuming.
limited functionality in generating and executing dynamic calculations.
Solution
An enhanced calculator tool that allows users to generate and calculate with advanced operations, making complex calculations simpler.
Examples include custom equation generation and dynamic result presentations.
Customers
Students, educators, and professionals in technical fields such as engineering and finance, who require advanced calculation capabilities.
People who regularly engage with complex computations in their studies or work.
Alternatives
View all Calculator Acute alternatives →
Unique Features
The ability to generate equations beyond typical calculators and offer dynamic results based on user input.
User Comments
Easy to use with intuitive interface.
Helpful for complex calculations in professional settings.
Limited in terms of symbols for some advanced operations.
Great for visualizing results.
Requires more integration with external tools for broader use.
Traction
Newly launched with growing recognition on ProductHunt.
Engaging a niche audience looking for advanced calculation tools.
Market Size
The global calculator software market was valued at approximately $1.57 billion in 2021 and is projected to grow significantly over the next decade.