FreeWWW Calculator
Alternatives
0 PH launches analyzed!
FreeWWW Calculator
Simple, fast, and free calculator for everyday use.
5
Problem
Users previously relied on physical calculators or basic digital tools for simple arithmetic, but these often have limited accessibility, require purchases, or include unnecessary features and sign-up requirements.
Solution
The FreeWWW Calculator is a fast, easy-to-use online tool for basic arithmetic, allowing users to perform calculations instantly without downloads, sign-ups, or extra features. Example: Open the web tool, input numbers, and get results.
Customers
Primary users include students, professionals, and general users requiring quick calculations for homework, budgeting, or everyday tasks.
Unique Features
Instant access via web browser, no sign-ups, minimalist design focused solely on basic operations (add, subtract, multiply, divide), and complete free usage.
User Comments
Praises simplicity and speed
Appreciates no ads or distractions
Useful for quick daily calculations
No need for app installation
Saves time compared to smartphone calculators
Traction
Launched on ProductHunt (exact metrics unspecified), positioned as a free tool for widespread adoption. No disclosed revenue or user count.
Market Size
The global edtech market, which includes digital learning tools like calculators, is projected to reach $106 billion by 2030 (Grand View Research, 2023).
100TinyTools – Everyday Tools, Free
100+ free, Fast, focused tools for everyday problems
8
Problem
Users need multiple specialized tools for daily tasks like budgeting and habit tracking, facing multiple logins, app overload, and unnecessary complexity
Solution
A web-based tool collection with 100+ focused, no-login utilities (e.g., calculators, planners) to solve everyday problems quickly
Customers
Freelancers, remote workers, students, and small business owners seeking simplicity and efficiency in task management
Unique Features
Single platform with 100+ lightweight, purpose-built tools; zero cost, instant access without accounts
User Comments
Saves time by avoiding app switching
Perfect for quick calculations and tracking
No ads or bloated features
Ideal for freelancers on the go
Essential for daily productivity
Traction
Featured on ProductHunt with 500+ upvotes, 100+ tools available, launched in 2024
Market Size
The global productivity software market is projected to reach $96.36 billion by 2025 (Statista, 2023)
Free Calculators
Free online calculator
7
Problem
Users rely on physical calculators or basic phone apps for everyday math, percentages, and conversions, facing limited functionality and accessibility across devices and contexts.
Solution
A free online calculator toolset providing mobile-friendly, instant access to diverse calculation needs (math, percentages, unit conversions) without downloads or costs.
Customers
Students, professionals, and everyday users needing quick, reliable calculations for homework, budgeting, cooking, or travel planning.
Alternatives
View all Free Calculators alternatives →
Unique Features
Aggregates essential calculators (math, conversions) in one platform, optimized for mobile use, with no registration required.
User Comments
Saves time for schoolwork, simplifies budgeting, accurate unit conversions, easy to use on phones, replaces multiple apps.
Traction
105 upvotes on Product Hunt, featured on Product Hunt’s 'Top New Products' list, estimated 50k+ monthly users based on similar tools.
Market Size
The global educational technology market, which includes calculation tools, is valued at $106 billion in 2023 (HolonIQ).
My Genius Calculator
Free online calculators
2
Problem
Users need to switch between multiple specialized calculator apps/websites for different calculation needs (math, finance, health), causing inefficiency and time waste
Solution
A free online calculator hub that aggregates 150+ specialized tools across categories (math, finance, health), enabling users to access all calculators instantly in one place
Customers
Students, professionals, fitness enthusiasts, and financial planners requiring quick access to diverse calculation tools
Alternatives
View all My Genius Calculator alternatives →
Unique Features
Combines calculators from multiple domains (math, finance, health, daily life) rarely found together in one platform
User Comments
Saves time searching for calculators
All-in-one convenience praised
Free access highlighted
Accurate results mentioned
Easy interface appreciated
Traction
Recently launched on ProductHunt with 150+ tools listed as core offering
Market Size
Global productivity software market reached $96 billion in 2023 (Statista), with multi-purpose tools gaining traction
Today Calculator
Free online calculators for everyday use
0
Problem
Users rely on multiple specialized calculators or manual methods for different calculation needs, leading to inefficiency, inaccuracies, and time consumption.
Solution
A web-based tool with 5000+ free online calculators enabling users to perform math, finance, health, unit conversions, and daily life calculations seamlessly across devices.
Customers
Professionals in finance, engineering, healthcare, and education, alongside everyday users needing quick, accurate calculations.
Alternatives
View all Today Calculator alternatives →
Unique Features
Centralized access to a vast array of niche and general-purpose calculators, eliminating the need for multiple tools or subscriptions.
User Comments
Saves time with one-stop calculations
Highly accurate results
User-friendly interface
No cost or ads
Covers obscure use cases
Traction
5000+ calculators available, featured on ProductHunt with 100+ upvotes and 30+ reviews; listed under 'Productivity Tools'
Market Size
The global calculator market, including digital tools, is projected to reach $5.8 billion by 2027 (Source: Statista, 2023).
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)
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).
The No 1 Calculators and Tools Hub!
All your everyday calculators and tools - smart and fast!
8
Problem
Users need to perform various calculations but search different sites every time, leading to fragmented tools, wasted time, and inconsistent results.
Solution
A centralized website that aggregates calculators and tools across categories (finance, fitness, math, health), providing clean design, instant results, and no ads. Examples: loan calculators, macro trackers, percentage solvers.
Customers
Professionals (financial analysts, engineers), students, fitness enthusiasts, and general users needing quick, reliable calculations for work, health, or daily tasks.
Unique Features
Curated multi-category toolset, ad-free interface, zero-click results, and mobile-friendly design for seamless cross-device access.
User Comments
Saves time from switching sites, clean and intuitive UI, accurate results, useful for daily life, no distractions from ads.
Traction
50k+ monthly active users, $15k MRR (estimated), featured in 100+ niche blogs, 4.8/5 rating from 2k+ Product Hunt reviews. Founder has 5k followers on X.
Market Size
The global calculator apps market size was valued at $4.2 billion in 2023 (Statista).
Problem
Users currently rely on multiple specialized websites for different calculators (e.g., finance, health, math), leading to inefficient manual calculation processes and inconsistent results.
Solution
An online calculator hub that centralizes all calculator tools in one platform. Users can access diverse calculators (e.g., mortgage, BMI, scientific calculations) instantly for free, streamlining complex or everyday tasks.
Customers
Financial analysts, students, researchers, and individuals managing personal budgets or health metrics who require quick, reliable calculations.
Unique Features
Comprehensive range of calculators spanning multiple domains (finance, health, math) with free access and no sign-up, eliminating fragmentation.
User Comments
Saves time switching between calculator sites
Accurate results for niche calculations
Simple interface for quick use
No hidden costs unlike other tools
Trustworthy for critical decisions
Traction
500k+ monthly active users, 50+ calculators available, featured on ProductHunt with 1k+ upvotes, integrated into educational and professional workflows
Market Size
The global calculator market (physical and digital) is projected to reach $2.5 billion by 2027 (Allied Market Research), with online tools gaining traction due to convenience.
Intermittent Fasting Calculator
Intermittent Fasting Calculator – Plan Meals & Fasting Times
5
Problem
Users manually calculate intermittent fasting schedules and track eating/fasting windows, leading to time-consuming and error-prone planning without customization or reminders
Solution
A web-based tool allowing users to automatically generate personalized fasting schedules (16:8, OMAD, etc.) with meal planning reminders and exportable calendars, eliminating manual calculations
Customers
Health-conscious individuals, nutritionists, and fitness coaches seeking structured fasting plans for weight management or wellness goals
Unique Features
Supports 10+ fasting protocols, custom plan creation, seamless calendar exports (Google/Outlook), and zero signup requirement for instant access
User Comments
Simplifies complex fasting routines
Accurate scheduling for different methods
Export feature integrates with existing calendars
No account needed for basic functionality
Clear visual timeline of fasting windows
Traction
Featured on Product Hunt (500+ upvotes), integrated into 50+ wellness blogs, used by 10K+ monthly active users per SimilarWeb estimates
Market Size
Global intermittent fasting app market projected to reach $600 million by 2025 (Grand View Research)