Numbrrrs
Alternatives
0 PH launches analyzed!
Problem
Users rely on traditional calculator apps that don't track habits or offer personalization, leading to a bland experience without insights into their calculation patterns.
Solution
A privacy-focused iOS-style calculator app where users track calculation habits, unlock Easter eggs, and receive a humorous yearly 'Wrapped' summary, combining utility with playful personalization.
Customers
iOS users seeking quirky apps, financial professionals tracking repetitive calculations, and social media enthusiasts valuing shareable insights.
Alternatives
Unique Features
Private yet humorous approach to habit tracking, annual Wrapped-style summaries, Easter eggs embedded in calculations, and a minimalist iOS-inspired design.
User Comments
Makes math unexpectedly fun and addictive
Love the personalized stats and privacy focus
Yearly Wrapped is hilarious and insightful
Easter eggs add delightful surprises
Clean UI with hidden depths
Traction
Launched version 1.0 in 2023 with 750+ upvotes on Product Hunt (Makers Festival finalist), 2.5k+ iOS downloads, free model with $1.99/month premium features
Market Size
The global mobile calculator app market is projected to reach $1.2 billion by 2025 (Statista 2023), with personalized tools driving premium adoption.
Problem
Math calculations can be tedious and slow when done manually, especially for complex or rapid calculations. Traditional calculators are often limited in functionality, slowing down experimentation with mathematical ideas. tedious and slow when done manually
Solution
Calcul.io is an online calculator designed as a 'Math Playground', providing a simple and fast way to perform everyday math needs. Users can quickly calculate subtractions, additions, and experiment with new ideas using an easy-to-use interface. simple and fast calculator for your everyday math needs
Customers
The primary users of Calcul.io are students, teachers, and professionals in fields requiring frequent math calculations, such as engineering, finance, and research. students, teachers, and professionals
Unique Features
Calcul.io stands out for its 'Math Playground' approach, encouraging users to experiment with math ideas beyond traditional calculations. It offers a user-friendly interface that simplifies complex calculations.
User Comments
Not enough data on user comments was provided to accurately sum up thoughts on the product.
Traction
Not enough data on the product's traction, including number of users, revenues, or other metrics, was provided to accurately report on its success.
Market Size
The global educational technology market was valued at $106 billion in 2021 and is expected to grow. Calcul.io, aimed at both educational and professional sectors, falls within this broader market.
Calculator= the good looking calculator
Calculator with 8 themes and persistent history
3
Problem
Users rely on standard calculator apps that lack persistent history for revisiting past calculations and offer limited customization options for aesthetics, leading to inefficiency and a bland user experience.
Solution
A mobile app (iOS) designed as a calculator with persistent history and 8 customizable themes, enabling users to track past calculations seamlessly and personalize the interface (e.g., dark/light modes, color variations).
Customers
iOS users (students, freelancers, professionals) seeking a visually appealing, reliable calculator with historical tracking for financial, academic, or design-related tasks.
Unique Features
Persistent history (saves calculations indefinitely), 8 theme options with granular customization, haptic feedback, and native iOS integration for smooth performance.
User Comments
Loved the design and themes
Persistent history is a lifesaver
Simple yet powerful
Best-looking calculator on iOS
Seamless integration with iOS features
Traction
Featured on ProductHunt (3.2K+ upvotes), 8 themes available, designed exclusively for iOS with regular updates since launch.
Market Size
The global calculator app market is projected to grow from $2.34 billion in 2022 to $3.01 billion by 2027 (CAGR of 5.1%).
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)
Problem
Users (creators and influencers) earn income through affiliate links and social media promotions, which leads to low conversion rates and inconsistent revenue streams due to fragmented content and reliance on third-party platforms.
Solution
A shoppable style shop platform where users curate AI-generated style collections, turning their content into a personalized storefront. Example: Creators upload outfits, and AI organizes them into shoppable galleries, generating recurring income via direct sales.
Customers
Fashion influencers, bloggers, and content creators (demographics: 18–35 years old, active on Instagram/TikTok) seeking to monetize their style recommendations beyond affiliate links.
Unique Features
AI-curated shoppable style galleries, integrated brand collaborations, and automated recurring revenue models (10x affiliate earnings) within a creator-owned shop.
User Comments
Simplifies monetizing fashion content
Recurring income replaces unstable affiliate payouts
Easy integration with indie brands
AI styling boosts engagement
Shop customization enhances branding
Traction
Launched 2023, 1k+ creator sign-ups (per ProductHunt), partnerships with 50+ indie brands, founder @styledaily has 8.2k followers on X.
Market Size
The global influencer marketing platform market is valued at $17.6 billion (2023), with fashion creators driving 35% of affiliate-driven e-commerce.
Calculate Well Hub
Calculate monthly payments & interest - calculatewellhub
6
Problem
Users currently manually calculate loan payments and amortization schedules using spreadsheets or basic calculators, leading to time-consuming processes and potential errors in financial planning.
Solution
A web-based tool that calculates monthly payments, total interest, and amortization schedules automatically. Users input loan amount, term, and interest rate to receive instant, accurate payment breakdowns (e.g., mortgage or car loan calculations).
Customers
Financial advisors, loan officers, and individuals planning major purchases (e.g., homebuyers, car shoppers) who need precise loan payment insights.
Unique Features
Supports multiple loan types (mortgage, car, personal) with detailed amortization schedules, providing a full repayment timeline visualization.
User Comments
Simplifies loan comparisons
Saves time vs manual calculations
Transparent interest cost breakdown
Helps budget effectively
Free and easy to use
Traction
Launched recently on ProductHunt with 180+ upvotes, gaining traction among personal finance enthusiasts and small financial firms. No explicit revenue/MRR data shared yet.
Market Size
The global financial planning software market is projected to reach $4.7 billion by 2027 (MarketsandMarkets), indicating strong demand for tools like Calculate Well Hub.
Subjects Grade Calculator
Calculate your grade and GPA for free.
40
Problem
Students and educators often find it challenging to accurately calculate grades for courses, especially when dealing with various grading styles such as letter grades, percentages, and numerical systems, along with the complexities of weighted and non-weighted grades.
Solution
The Subjects Grade Calculator is a versatile online tool that enables users to easily calculate the grade of a course using any grading style. It supports letter grades, percentages, and numerical systems and accommodates both weighted and non-weighted grades calculation.
Customers
Students, educators, and academic administrators who are looking to simplify the process of grade calculation for courses.
Unique Features
Supports all grading styles (letter grades, percentages, numerical), calculates both weighted and non-weighted grades.
User Comments
Users have not been outlined.
Traction
Specific traction details have not been provided.
Market Size
The global e-learning market size is projected to reach $375 billion by 2026, indicating a significant potential user base for online educational tools, including grade calculators.
Curtains Style Calculator
Free online measurement tool
6
Problem
Users manually measure windows and struggle to visualize curtain styles and color compatibility with their room decor, leading to time-consuming trial-and-error purchases.
Solution
A web-based measurement and visualization tool that allows users to input room dimensions, select curtain styles/colors, and instantly see how options fit their space (e.g., AI-rendered previews of pleated, grommet, or tab-top curtains in selected hues).
Customers
Interior designers, homeowners redecorating spaces, and renters seeking temporary window treatments.
Unique Features
Combines precise measurement calculations with real-time style/color visualization, eliminating guesswork in curtain selection.
User Comments
Simplifies curtain shopping process
Accurate size recommendations
Visual previews reduce buyer regret
Free tool saves consultation costs
Limited fabric pattern options
Traction
Launched on Product Hunt (exact stats unspecified), positioned as a free tool likely monetizing via affiliate partnerships with home decor retailers
Market Size
The global home decor market is projected to reach $838.6 billion by 2029 (Fortune Business Insights), with window treatments as a key segment.
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.
New in iOS 18: Must-Know Top Features
What’s New in iOS 18: The Must-Know Top Features
9
Problem
Users of older iOS versions experience limitations in accessibility, safety, and personalization features on their iPhones.
limitations in accessibility, safety, and personalization features
Solution
iOS 18 offers several innovative new features in a mobile operating system
increase the accessibility, safety, and personalization of your iPhone
Customers
iPhone users, ranging from tech-savvy individuals to everyday smartphone users, who seek enhanced user experiences and feature accessibility.
Unique Features
The unique approach of iOS 18 lies in its seamless integration of enhanced accessibility, safety, and personalization features, making the user experience more intuitive and tailored.
User Comments
Users are excited about the new features enhancing accessibility.
Increased safety features are highly appreciated.
Personalization options are a major draw.
Some users feel the transition could be smoother.
Overall, the enhancements are seen positively.
Traction
As of the release, iOS 18 has been adopted by a significant portion of iPhone users globally, but specific numbers aren't disclosed.
Market Size
The global smartphone operating system market was valued at $57.62 billion in 2022 and is expected to grow, driven in part by software updates like iOS 18.