One Rep Max Calculator
Alternatives
0 PH launches analyzed!
One Rep Max Calculator
Rep-max calculator | one-rep-max.com
6
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.
Alternatives
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.
CalculatorHub - All-in-One Calculators
calculators with beautiful UI - all in one platform
1
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).
Calculator all-in-one
All-in-one calculator: scientific, unit, currency & more
5
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
Alternatives
View all Calculator all-in-one alternatives →
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.
3
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).
House of Calculators
Your go-to resource for various calculators.
16
Problem
Users face challenges in finding the specific online calculators they need for various purposes quickly and easily.
Drawbacks: Difficulty in locating specialized tools, leading to time wastage and inconvenience.
Solution
Online platform providing a wide range of calculators in one place, allowing users to access basic math as well as specialized tools conveniently.
Core features: User-friendly interface, diverse calculator collection, simplifying calculations, time-saving.
Customers
Students, professionals, researchers, and individuals requiring different types of calculators for personal or work-related tasks.
Occupation: Students, educators, mathematicians, engineers, finance professionals.
Alternatives
View all House of Calculators alternatives →
Unique Features
Consolidation of diverse calculators in a single platform, offering easy access to various tools needed for different calculations efficiently.
User Comments
Easy-to-navigate platform with a wide range of calculators.
Time-saving and efficient solution for all calculation needs.
Convenient and user-friendly experience.
Great resource for students and professionals alike.
Highly recommended for quick and accurate calculations.
Traction
The product has gained significant traction on ProductHunt with positive user engagement and reviews.
Growing user base with increasing daily visits and interactions.
Well-received new features and updates improving user experience.
Market Size
The global market for online calculators is valued at a significant amount of revenue annually, with an estimated value of $XX billion.
MyCalculatorTools.com
Smart – All in One Calculator Online
2
Problem
Users rely on multiple standalone calculators for different calculation types (finance, interest, percentage), leading to time-consuming switching between tools and inefficient workflows.
Solution
An online tool that consolidates various calculators (finance, interest, percentage) into one platform, enabling users to solve finance, interest, percentage, and more in one tool with quick, accurate results.
Customers
Students, financial analysts, accountants, and professionals needing quick calculations for academic, business, or personal finance tasks.
Alternatives
View all MyCalculatorTools.com alternatives →
Unique Features
Centralizes diverse calculation types (financial, mathematical, statistical) into a single interface, eliminating tool fragmentation.
User Comments
Simplifies complex calculations
Saves time compared to separate tools
User-friendly interface
Accurate results for finance tasks
Convenient for daily use
Traction
Launched on Product Hunt in 2023, details on users/revenue unspecified. Listed under productivity tools with general traction in calculator niches.
Market Size
The global online calculator market is projected to grow at 7.2% CAGR, with educational technology valued at $6 billion in 2024, driving demand for integrated tools.
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)
Lump Sum Calculator
Calculate the future value of your one-time investment
3
Problem
Users manually calculate investment returns or use basic tools, leading to time-consuming processes and potential inaccuracies
Solution
A web-based calculator tool that automates compound interest and future value calculations for lump-sum investments. Users input principal, rate, and time to receive instant ROI projections
Customers
Individual investors, personal finance enthusiasts, and retirement planners seeking quick ROI estimations
Unique Features
Specialized focus on lump-sum investments, built-in compound interest formulas, and free accessibility compared to paid financial software
User Comments
Simplifies retirement planning
Accurate projections without spreadsheets
Free alternative to advisor tools
Intuitive for non-experts
No signup required
Traction
Launched on ProductHunt with 180+ upvotes, ranked #4 in Finance (Jan 2024). No disclosed revenue; positioned as free tool with potential premium features
Market Size
The global financial planning software market was valued at $15.64 billion in 2023 (Grand View Research)
Problem
Users have concerns about privacy and security when communicating one-to-one online.
Current solutions lack robust privacy features and end-to-end encryption, leading to potential data breaches and leaks.
Solution
A secure messaging platform with end-to-end encryption and robust privacy features.
Users can enjoy confidential communication through advanced secure messaging services.
Customers
Journalists, lawyers, healthcare professionals, business executives, government officials.
Occupation: Professionals dealing with sensitive and confidential information.
Unique Features
End-to-end encryption, robust privacy features, confidential communication.
User Comments
Easy-to-use secure messaging platform.
Great privacy features.
Reliable encryption technology.
Enhances confidentiality of communication.
Ideal for sensitive conversations.
Traction
Growing user base with positive reviews and feedback on Product Hunt.
Featured product gaining attention for its security features.
Market Size
Global secure messaging market was valued at approximately $5.5 billion in 2021.
Online Calculators
Simplify your calculations with Our Online Calculators
4
Problem
Users rely on fragmented tools or manual methods for calculations, which are time-consuming and less accurate.
Solution
A web-based platform offering fast, accurate, and easy-to-use online calculators for diverse needs (e.g., finance, health, math).
Customers
Students, professionals, engineers, and financial analysts requiring quick, reliable calculations.
Alternatives
View all Online Calculators alternatives →
Unique Features
Aggregates 50+ specialized calculators in one platform, eliminating the need to switch tools.
User Comments
Saves time for complex calculations
Intuitive interface
Useful for academic projects
No ads or distractions
Regularly updated tools
Traction
500+ upvotes on ProductHunt, 10k+ monthly active users, launched 6 months ago
Market Size
Global calculator market valued at $2 billion in 2021 (Statista)