Chrome Extension Calculator
Alternatives
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Chrome Extension Calculator
Never leave your browser to make a quick calculation
5
Problem
Users have to leave their browser to use a separate calculator application, disrupting their workflow and causing inefficiency.
Solution
A Chrome extension that provides a simple calculator within the browser, allowing users to make quick calculations without the need to switch to a separate application. Users can access the calculator instantly while browsing.
Customers
Professionals, students, and individuals who frequently need to perform quick calculations during their online activities.
Unique Features
Quick access to a calculator without leaving the browser, seamless integration into the browsing experience.
User Comments
Convenient tool for quick calculations without disrupting workflow.
Saves time by eliminating the need to switch between browser and a separate calculator application.
Useful for various tasks requiring simple calculations.
Traction
The extension has gained popularity on ProductHunt, with positive user reviews and increasing user engagement.
It has a growing user base and high user retention rate due to its practical utility.
Market Size
The global market for browser extensions and tools was valued at $11.4 billion in 2021 and is expected to continue growing due to the increasing reliance on browser-based applications for various tasks.
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)
BMI Calculator
Quick and easy BMI calculation for better health
5
Problem
Users need to calculate their BMI manually or use complex apps, which are time-consuming and less user-friendly.
Solution
A free online BMI calculator tool where users input height/weight to instantly receive BMI results and health range categorization without sign-ups.
Customers
Fitness enthusiasts, healthcare professionals, and individuals monitoring health metrics (e.g., personal trainers, dietitians).
Unique Features
Instant results, no sign-up/download, clear health categorization, mobile-friendly design.
User Comments
Quick and easy to use
Accurate BMI calculation
Helpful for tracking health
No ads or distractions
Free and accessible
Traction
Launched on ProductHunt (exact metrics unspecified). Comparable BMI tools like Calculator.net attract 10M+ monthly users.
Market Size
The global health & fitness app market was valued at $26 billion in 2022 (Statista).
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.
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%).
Paddle Fees Calculator
Calculate Paddle fees and earnings
93
Problem
Sellers struggle to accurately calculate the fees and revenues when using platforms like Paddle for selling digital products.
Solution
A fee calculator tool specifically designed for Paddle users, allowing them to quickly calculate costs, fees, and earnings from sales of their digital products.
Customers
Online sellers, digital entrepreneurs, and small to medium-sized businesses involved in selling digital products and needing precise financial planning and analysis.
Unique Features
The tool focuses exclusively on Paddle's fee structure providing real-time calculations, which ensures accuracy specific to Paddle’s fee system.
User Comments
1. Extremely accurate and useful.
2. Simplifies financial planning greatly.
3. Essential for anyone using Puddle for sales.
4. User-friendly interface and fast results.
5. Helps in decision-making about pricing strategies.
Traction
Launched recently on Product Hunt, gaining positive feedback, but specific user numbers and revenue details are currently undisclosed.
Market Size
The global digital commerce software market is valued at $6.2 billion in 2021 and is growing, indicating a large potential user base for Paddle Fee Calculator.
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).
Insulin Calculator
Quick insulin calculator: AI-powered & intuitive
6
Problem
Diabetes patients need to accurately determine insulin dosage based on meal carbohydrate content.
Determine insulin dosage based on meal carbohydrate content
Solution
A quick insulin calculator
AI-powered tool that instantly computes dosage based on meal carbs
can be used for quick insights for diabetes management
Customers
Diabetics requiring quick and reliable insulin dosage calculations
caregivers for diabetic patients
Unique Features
Uses AI tools combined with the Open Food Facts API
Provides quick and intuitive insights
User Comments
Users find it helpful for quick estimations.
Appreciated for its simplicity and ease of use.
Users suggest it as a starting point, not as a replacement for medical advice.
Some users have concerns about its accuracy.
Enjoyed for its innovative use of technology.
Traction
Product developed quickly, potentially affecting sustained traction
Exact user numbers or revenue data not available
Market Size
The global insulin delivery device market size was valued at $12.3 billion in 2020 and is expected to expand.
When-to-Leave
A quick tool to help you plan when to leave to the airport!
3
Problem
Current situation: Travelers often struggle with determining when to leave for the airport to avoid missing their flights.
Drawbacks: The old solution involves manually estimating travel time and security wait times, which can be inaccurate leading to stressful and rushed travel experiences.
Solution
A website that helps users determine the optimal time to leave for the airport by providing travel time estimates, security wait time estimates, and an appropriate buffer for domestic or international flights.
Customers
Frequent Travelers, business professionals, vacationers, and anyone who needs to catch a flight without the stress of missing it.
Alternatives
View all When-to-Leave alternatives →
Unique Features
The tool integrates multiple factors like travel time, security wait times, and flight type (domestic or international) to offer a comprehensive and accurate recommendation on when to leave for the airport.
Market Size
The global travel and tourism industry is projected to grow from $1.3 trillion in 2020 to $1.7 trillion by 2026, which includes market segments like flight and travel planning tools.
Email Calculator
The calculator for email marketers
7
Problem
Email marketers struggle to calculate email marketing metrics percentages manually
Drawbacks: Manual calculation is time-consuming, prone to errors, and hinders quick decision-making.
Solution
A web tool called Email Calculator
Users can calculate percentage rates for various email marketing metrics like delivered, opens, clicks, etc.
Core features: Calculate rates for delivered, opens, clicks, clicks to opens, quality score, bounces, and unsubscribes.
Customers
Email marketers and marketing professionals
Occupation: Email Marketers, Marketing Managers, Marketing Coordinators
Alternatives
View all Email Calculator alternatives →
Unique Features
Specializes in email marketing metrics calculations with a focus on key percentages
Provides a quick and error-free solution for crucial email marketing decision-making
User Comments
Simple and effective tool for email marketing calculations
Saves time and effort in analyzing email campaign performance
Makes it easier to monitor and improve email marketing metrics
Streamlines decision-making process for email campaigns
Useful for both beginners and experienced email marketers
Traction
Constant updates and new features being added
Growing user base with a positive response from the marketing community
Steady increase in user engagement and usage statistics
Market Size
$7.5 billion market size for email marketing software in 2021
Expected to grow at a CAGR of 15% from 2021 to 2028