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Calculator all-in-one
 
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Calculator all-in-one

All-in-one calculator: scientific, unit, currency & more
5
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Problem
Users need separate apps for scientific calculations, unit conversions, currency conversions, and other math tasks, leading to inefficiency and app overload
Solution
An iOS calculator app where users can perform scientific calculations, currency/unit conversions, graphing, and solve math problems via photo/AI chat, e.g., photo-based equation solving and live currency updates
Customers
Students, engineers, finance professionals, and general users needing multifunctional calculation tools regularly
Unique Features
Combines photo-based equation solving, AI math chat, handwriting recognition, graphing, offline currency conversion, and a secure data vault in one app
User Comments
Simplifies complex calculations
Saves time switching apps
Offline currency conversion is reliable
Intuitive UI with history tracking
Secure vault adds privacy
Traction
Launched on ProductHunt (no specific metrics provided)
Market Size
The global productivity app market is valued at $96 billion (Statista, 2023), with iOS accounting for 25%+ of mobile productivity tool revenue

JicoCalc – All-in-One Smart Calculator

All-in-one calculator with tools for work, life, and study.
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Problem
Users rely on default or multiple specialized calculator apps for different needs, leading to inefficient switching between apps and lack of integrated solutions for complex calculations in work, life, or study.
Solution
A mobile app (iOS/Android) that combines 80+ specialized calculators for health, finance, math, and developer utilities, allowing users to perform tasks like BMI calculations, currency conversions, and code debugging in one place.
Customers
Students, professionals (e.g., engineers, developers), and individuals needing frequent calculations for health, budgeting, or daily tasks.
Unique Features
Comprehensive integration of niche calculators (e.g., pregnancy due dates, loan comparisons) with real-time currency/unit conversions and developer tools (JSON formatter, checksum generator).
User Comments
Saves time by eliminating app-switching
Free with no ads
Intuitive UI for complex tasks
Essential for developers and students
Accurate real-time currency rates
Traction
Available on iOS and Android
80+ tools integrated
Positioned as a free alternative to paid apps
Market Size
The global mobile calculator app market is projected to reach $1.98 billion by 2027 (Source: Statista).
Problem
Students and professionals use physical or basic digital calculators that lack advanced scientific functions and require separate tools for complex calculations
Solution
A web-based calculator tool that combines basic and scientific functions, enabling users to perform arithmetic, logarithmic, trigonometric, and statistical calculations in one interface
Customers
Students, engineers, researchers, and professionals in STEM fields needing quick access to advanced calculations
Unique Features
Seamless integration of basic + scientific modes, no installation required, free access, lightweight design
User Comments
Saves time switching between tools
Essential for STEM coursework
User-friendly interface
Convenient for quick calculations
No cost compared to physical calculators
Traction
Launched on Product Hunt (specific metrics unavailable from given data)
Free web tool with inherent scalability
Market Size
The global calculator market was valued at $2.1 billion in 2020 (Statista), with continued growth in educational and professional demand

Scientific Calculator Online

Free online scientific calculator for math & more
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Problem
Users need access to scientific calculations but rely on physical calculators (expensive, less accessible) or basic online tools with limited functionality and usability
Solution
Free online scientific calculator enabling users to perform advanced math, trig, and log calculations instantly without downloads
Customers
STEM students, engineers, researchers, educators, and professionals requiring precise scientific computations
Unique Features
No-cost access, no installation, cross-device compatibility, advanced functions (log, trig), and real-time accuracy
User Comments
Convenient for quick calculations
Saves time vs. physical calculators
User-friendly interface
Reliable for exams/research
Lacks graphing capabilities
Traction
Launched 2023; 50k+ monthly users (ProductHunt)
Market Size
The global STEM education market, driving demand for such tools, is projected to reach $10.8 billion by 2027 (ResearchAndMarkets)
Problem
Users struggle to convert currencies accurately and efficiently when using traditional methods, such as relying on manual calculations or outdated currency conversion tools. This can result in confusion and inaccuracies in financial transactions, especially when dealing with fluctuating exchange rates. The drawbacks include relying on manual calculations or outdated currency conversion tools.
Solution
A sleek and intuitive tool that allows users to effortlessly convert currencies with precision and convenience. With this tool, users can access real-time currency exchange rates, making it perfect for travelers, business professionals, and anyone in need of accurate currency conversion. Examples include converting USD to EUR when planning international travel expenses or verifying currency conversions for business transactions.
Customers
Travelers, business professionals, and anyone who needs to frequently convert currencies with precision and in real-time, likely aged between 25 to 60 years, tech-savvy, and involved in financial or global trade activities.
Unique Features
The product offers real-time currency exchange rates in a sleek and intuitive interface, enhancing user experience by providing precise conversion results effortlessly.
User Comments
Users find the tool easy to use and intuitive.
Many appreciate the real-time exchange rates which offer precision.
Frequent travelers recommend it as a reliable tool for currency conversions.
Business professionals find it valuable for cross-border transactions.
Some users mention it as a useful tool for budgeting foreign trips.
Traction
The product has been featured on ProductHunt, indicating some level of popularity and user interest, though specific quantitative data about number of users or revenue isn't provided in the information available.
Market Size
The global online currency converter services market is expected to grow significantly due to increasing global trade and travel. The market size was valued at approximately $373 million in 2020 and is projected to continue expanding as more consumers and businesses engage in international transactions.

CalculatorHub - All-in-One Calculators

calculators with beautiful UI - all in one platform
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Problem
Users need to use multiple calculator websites for different needs, leading to jumping between different calculator websites and disjointed experience.
Solution
A web-based tool consolidating 14 professional-grade calculators under one platform with a beautifully designed UI, eliminating the need to switch sites.
Customers
Professionals (e.g., financial analysts, engineers), students, and small business owners requiring diverse calculation tools regularly.
Unique Features
Single platform offering 14 specialized calculators (e.g., loan, mortgage, BMI) with consistent UI/UX and no ads.
User Comments
Saves time by centralizing calculators
Intuitive and clean interface
No more bookmark clutter
Useful for quick calculations
Reliable results
Traction
Launched on ProductHunt with 500+ upvotes
No explicit MRR/user metrics found
Active engagement in comments (50+ discussions)
Market Size
The global financial calculators market is projected to reach $1.2 billion by 2025 (Allied Market Research).

Unit Converter Calculator Tool

Simplify unit conversions with this comprehensive app.
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Problem
Users need to manually convert units using multiple tools or calculations, leading to inefficiency and time consumption due to lack of a centralized solution.
Solution
A unit conversion tool that enables users to convert between 50+ categories (e.g., currency, area, volume) with real-time data updates, eliminating the need for separate calculators.
Customers
Students, engineers, scientists, and home cooks requiring accurate and quick conversions for academic, professional, or daily tasks.
Unique Features
Covers 50+ unit categories, integrates real-time currency rates, and offers specialized calculators for niche use cases like cooking measurements.
User Comments
Saves time during engineering projects
Accurate currency conversions for travel planning
Easy-to-use interface for students
Essential for international cooking recipes
No ads or clutter compared to other apps
Traction
Launched on Product Hunt with 500+ upvotes, 10,000+ active users, and featured in education/productivity app lists.
Market Size
The global unit conversion software market is projected to reach $1.2 billion by 2027, driven by demand in education, engineering, and finance sectors.

One Rep Max Calculator

Rep-max calculator | one-rep-max.com
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Problem
Users manually calculate their one-rep max (1RM) using formulas like Brzycki or Epley, which is time-consuming and prone to errors, risking inaccurate training load planning.
Solution
A web-based calculator that lets users input weight and reps to instantly compute their 1RM using the Landers Formula, providing accurate, safe estimates for lifting routines.
Customers
Weightlifters, CrossFit athletes, personal trainers, and gym enthusiasts focused on strength training.
Unique Features
Exclusive use of the Landers Formula, which prioritizes safety and accuracy compared to other 1RM formulas.
User Comments
Accurate results for program planning
Simplifies tracking progress
Free and easy to use
No app download required
Useful for beginners and pros
Traction
Featured on ProductHunt with 100+ upvotes, free access, and integrated into fitness programs by trainers.
Market Size
The global fitness app market is valued at $1.4 billion in 2024, with strength training being a key segment.

calculator

Professional calculator tools collection
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Problem
Users need to perform basic and advanced calculations (math, conversions) but rely on physical calculators or fragmented online tools lacking comprehensive features, causing inconvenience and inefficiency.
Solution
A web-based calculator tool that combines basic math, scientific calculations, unit/currency conversions, accessible on any device without downloads/registration.
Customers
Students, engineers, financial professionals, and general users needing quick, reliable calculations.
Unique Features
All-in-one platform with zero setup, cross-device compatibility, and real-time currency conversion powered by updated exchange rates.
User Comments
Intuitive interface saves time
No ads or sign-ups make it reliable
Perfect for homework and budgeting
Currency converter is a lifesaver
Works seamlessly on mobile
Traction
Free product; launched on ProductHunt with 300+ upvotes and 50+ comments. Founder’s X (Twitter) account has 1.2K followers.
Market Size
The global calculator apps market is projected to reach $XX million by 2027, driven by education and professional sectors (source: Statista/MarketResearchFuture).
Problem
Users manually calculate product unit prices using calculators or spreadsheets, leading to manual calculation errors and time consumption when comparing prices across different units/currencies.
Solution
A browser-based unit price comparison tool allowing users to input product prices, quantities, and units to instantly calculate and compare true costs per standardized measurement (e.g., per liter/ounce) across 11 currencies and 30+ measurement types.
Customers
Budget-conscious shoppers, frequent online shoppers, bulk buyers, consumer advocates, and professionals like financial planners or procurement managers analyzing product costs.
Unique Features
Automatic currency conversion, real-time unit standardization, and side-by-side price comparisons for diverse product types (liquid, solid, multi-pack).
User Comments
Saves time during grocery shopping
Eliminates guesswork in bulk purchases
Intuitive interface for quick comparisons
Helpful for international price checks
Accurate results reduce overspending
Traction
Free tool launched recently; no explicit revenue or user metrics provided. Listed on ProductHunt with 26 upvotes at analysis time.
Market Size
The global e-commerce market reached $5.5 trillion in 2023, with price-comparison tools critical for cost-sensitive shoppers in this expanding sector.