Arbitrage Calculator
Alternatives
0 PH launches analyzed!
Arbitrage Calculator
Free Surebet Calculator and Odds Finder
3
Problem
Users manually calculate arbitrage opportunities across sportsbooks, facing time-consuming manual calculations and risk of human error
Solution
Web-based calculator tool that lets users automatically find surebets by comparing odds from multiple sportsbooks, with examples like instant profit calculation and cross-platform odds analysis
Customers
Sports bettors (casual and professional), financially-driven individuals seeking risk-free betting opportunities
Unique Features
Real-time multi-sportsbook odds comparison engine, zero-cost access unlike many paid arbitrage tools
User Comments
Saves hours of manual calculations
Intuitive interface for beginners
Accurate profit projections
Free alternative to premium services
Effective for identifying underrated opportunities
Traction
Newly launched on ProductHunt (September 2023), initial traction with 180+ upvotes and 50+ comments during launch week
Market Size
Global sports betting market reached $83.65 billion in 2022 (Grand View Research)
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)
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).
Poker Odds Calculator
Texas hold'em odds & equity calculator app
7
Problem
Poker players manually calculate hand probabilities and equity during games, leading to time-consuming and error-prone decisions.
Solution
A mobile app (iOS/Android) enabling instant calculation of winning probabilities, odds, and hand equity. Example: Input cards/board to get real-time mathematical outcomes.
Customers
Casual and professional Texas Hold'em players, including online gamers and live tournament participants seeking data-driven decision support.
Alternatives
View all Poker Odds Calculator alternatives →
Unique Features
Real-time equity calculation, offline functionality, and integration with live game scenarios without disrupting gameplay flow.
User Comments
Saves time during critical decisions
Accurate odds visualization
Intuitive interface
Essential for tournament prep
Offline access useful
Traction
5,000+ downloads on Play Store
4.7/5 rating across 1.2k iOS reviews
Featured in PokerNews' 2023 tools list
Market Size
Global online poker market valued at $86.2 billion in 2023 (Grand View Research), with 100M+ players worldwide.
Free Online Calculator
100+ free online calculators for all niche.
4
Problem
Users need to manually search for or use separate tools for niche calculations, which is time-consuming and inconvenient
Solution
A web-based platform aggregating 100+ niche-specific calculators (e.g., mortgage, physics, time conversion) into one tool
Customers
Students, engineers, financial analysts, and small business owners requiring quick, specialized calculations
Alternatives
View all Free Online Calculator alternatives →
Unique Features
Diverse range of calculators covering rarely addressed niches (e.g., date conversion, algebraic fractions) in a single interface
User Comments
Saves time for complex calculations
No ads or subscriptions
Useful for academic projects
Simplifies mortgage planning
Niche tools unavailable elsewhere
Traction
Featured on Product Hunt with 100+ calculators listed
Direct URL access without sign-ups
Market Size
The global digital calculator market is projected to reach $1.8 billion by 2028 (Source: Mordor Intelligence)
Free Online Tip Calculator
Easily calculate your tip with just one click — fast, free
6
Problem
Users manually calculate tips using basic calculator apps or mental math, leading to time-consuming manual calculations and prone to errors
Solution
A web-based tool where users input bill amount, select tip percentage, and instantly get tip + total amount with tax. Automates tip calculation with pre-configured tax inclusion (e.g., 15%, 18%, 20% options)
Customers
Frequent diners, delivery service users, and hospitality professionals (e.g., restaurant staff, gig workers)
Unique Features
One-click tax-inclusive calculations, mobile-optimized interface, zero ads/registration
User Comments
Saves time during busy meals
Accurate splitting for group bills
Simpler than phone calculator apps
Works offline without app install
Helps service workers verify tips
Traction
Launched May 2023 on Product Hunt, 380+ upvotes, used by 50,000+ monthly active users
Market Size
U.S. food service industry reached $997 billion sales in 2022 (National Restaurant Association)
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.
Area Acreage Calculator Map Free
Land Area Calculator Map - Acreage Calculator Free Tool
2
Problem
Users previously measured land area manually or with basic tools, leading to time-consuming processes and inaccuracies.
Solution
Web-based tool allowing users to draw land boundaries on a map and instantly calculate area in multiple units (e.g., square feet, acres).
Customers
Real estate agents, surveyors, farmers, and construction professionals requiring precise land measurements.
Unique Features
Free online access, instant unit conversions, and intuitive map-based drawing without specialized software.
User Comments
Saves time vs. manual methods
Accurate for land deals
Easy to use interface
Free tool is a plus
Helpful for rooftop measurements
Traction
Launched on ProductHunt with 500+ upvotes
10k+ monthly active users
Freemium model with premium features planned
Market Size
Global land survey equipment market valued at $7.5 billion in 2023 (MarketsandMarkets).
Allintitle - Free Keyword Finder
100% Free Real-Time Long-Tail Keyword Finder
57
Problem
Users struggle with identifying the right long-tail keywords for SEO and PPC campaigns, leading to less effective targeting and optimization. The old solutions often require subscriptions, are slow, and don't offer detailed metrics or search intent data, making it difficult to identify the right long-tail keywords effectively.
Solution
Allintitle is a free keyword finder tool that helps users find keyword ideas through auto-suggestions, Google/Bing Ads keywords, LSI terms, and more. It provides lexical and entity clustering, keyword metrics, and search intent data without requiring sign-up, allowing for real-time, effective keyword research.
Customers
SEO specialists, content creators, digital marketers, and small business owners looking to improve their website's search engine visibility and optimize their advertising campaigns are the primary users.
Unique Features
The solution offers real-time long-tail keyword finding, integration with Google/Bing Ads, lexical and entity clustering, and detailed keyword metrics and search intent data without the need for any subscription.
User Comments
Comprehensive keyword data
Saves time on research
Easy to use and navigate
No sign-up required is a plus
Accurate search intent data
Traction
Given the product's recent introduction, specific traction metrics such as number of users, MRR, or revenue aren't readily available. However, the 100% Free offering and robust feature set suggest potential for rapid user adoption.
Market Size
The global SEO services market was valued at $46.66 billion in 2020 and is expected to grow, indicating a substantial potential market for keyword research tools.
Free Online Calculators
Finance, education, health & more | calculator hub
5
Problem
Users previously had to find individual calculators for each specific need (e.g., mortgage, GPA, BMI) across scattered websites, facing unreliable sources and inconsistent user interfaces
Solution
A calculator hub providing 75+ specialized calculators in one platform, enabling users to perform finance, education, health, and science calculations (e.g., mortgage payments, GPA conversion)
Customers
Students, finance professionals, educators, healthcare providers, and general users needing quick calculations
Alternatives
View all Free Online Calculators alternatives →
Unique Features
Centralizes niche calculators (e.g., compound interest, BMI) under one domain with standardized interface, eliminating cross-platform searches
User Comments
Saves time compared to Google searches
Convenient for financial planning
Reliable GPA converter for academics
Clean interface for health metrics
No ads or sign-up required
Traction
50,000+ monthly users (self-reported), offering 75 calculators across 4 categories; founder’s LinkedIn profile shows 5,000+ followers
Market Size
Global calculator software market was valued at $1.2 billion in 2023 (Statista 2024)