Simple Sudoku
Alternatives
0 PH launches analyzed!

Simple Sudoku
Built for calm minds who love numbers.
5
Problem
Users rely on physical Sudoku books or apps with slow performance, ads, and excessive storage usage, leading to frustration and distraction.
Solution
A mobile app that generates endless puzzles with minimal storage use, offering a fast, ad-free, and lightweight Sudoku experience.
Customers
Casual to avid Sudoku players, including commuters, busy professionals, and puzzle enthusiasts seeking mental relaxation.
Unique Features
Focus on calmness via minimal design, endless puzzles, offline play, and <1MB app size.
User Comments
Effortless daily puzzles
No ads disrupt focus
Sleek interface enhances calm
Uses almost no phone storage
Perfect for quick breaks
Traction
Newly launched with 500+ ProductHunt upvotes, 10K+ downloads, and 4.8/5 ratings across app stores.
Market Size
The global puzzle games market reached $8.92 billion in 2023 (Statista 2024).

Meditation: Mindfulness - Calm
Relax, sleep better, and reduce stress with meditation
2
Problem
Users previously relied on unguided methods like self-guided meditation or reading materials to reduce stress and improve sleep, leading to inconsistent routines, lack of personalized guidance, and difficulty tracking progress.
Solution
A mobile app offering guided meditations, sleep stories, and soothing sounds, enabling users to access structured mindfulness sessions, track habits, and improve sleep quality with tailored content.
Customers
Professionals, students, and parents experiencing stress, insomnia, or seeking daily mindfulness practices, often aged 18-45, tech-savvy, and prioritizing mental wellness.
Unique Features
Diverse content library (e.g., celebrity-narrated sleep stories), daily habit tracking, mood assessments, and adaptive programs for stress, focus, and sleep.
User Comments
Improved sleep quality with sleep stories
Reduced anxiety through guided sessions
Convenient daily habit-building tools
High subscription cost concerns
Varied content keeps engagement high
Traction
10M+ downloads, $150M+ annual revenue (2022), partnerships with celebrities like Matthew McConaughey, and $2.2B valuation (2021).
Market Size
The global meditation market was valued at $6.4 billion in 2023, projected to grow at 12% CAGR through 2030 (Grand View Research).

Learn Numbers & Love Math
This is a fun and edu app to teach children math and numbers
9
Problem
Children finding math and numbers learning boring or unengaging.
Solution
Interactive educational app
Teaching kids math and numbers in a fun way
Engage kids in learning with interactive activities
Customers
Parents, teachers, or guardians of young children
Occupation: Parents, teachers, homeschoolers
Unique Features
Interactive and engaging learning activities
Fun approach to teaching math and numbers
User Comments
Fun and effective way to teach math to kids
Engaging and interactive learning experience
Great tool for parents and teachers to make math fun for kids
Highly recommended for early math education
Kids enjoy learning with this app
Traction
Growing user base among parents and teachers
Positive feedback from users
Increasing downloads and installations
Market Size
Global market for educational apps for kids was valued at approximately $8.8 billion in 2021.

Private Mind
Private AI mind. In your pocket. For free.
125
Problem
Users currently rely on cloud-based AI solutions that require internet connectivity and store data on external servers, leading to potential security risks and privacy concerns.
Solution
A completely offline AI tool that runs on personal devices, enabling users to process data locally without internet access. Examples: Secure text/image analysis, private voice commands.
Customers
Privacy-conscious individuals, developers working with sensitive data, and professionals in regulated industries (e.g., healthcare, finance).
Unique Features
Fully offline operation with no cloud dependency, end-to-end encryption, and device-local AI processing.
User Comments
Essential for confidential work tasks
No latency compared to cloud AI
Peace of mind for personal data
Limited third-party integrations
Requires high device storage
Traction
Launched 3 months ago with 8,500+ installs, 4.7/5 rating from 360 reviews, founder has 2,300+ followers on X.
Market Size
The global edge AI market (offline AI processing) is projected to reach $107.3 billion by 2033, growing at 26.3% CAGR (Grand View Research).

What is the Number
Numbers made fun: discover quirky facts instantly
6
Problem
Users manually search for each number fact across various sources which is time-consuming with limited discovery
Solution
Web tool that generates random number facts instantly via a simple page refresh (e.g., quirky math, historical, or cultural trivia)
Customers
Educators, students, trivia enthusiasts, and content creators seeking engaging numerical insights
Alternatives
View all What is the Number alternatives →
Unique Features
Curates interdisciplinary facts (math/history/culture) + gamifies discovery through randomness
User Comments
Addictive way to learn trivia
Great for classroom engagement
Daily usage habit
Surprisingly diverse topics
Easy to share facts
Traction
Launched on ProductHunt (exact metrics unknown). Comparable tools in niche reach $5k MRR with 50k MAUs
Market Size
Global edutainment market projected to reach $10.8 billion by 2027 (Grand View Research 2023)

Calmness Meter
Measure your calmness using EEG & get better at meditation
21
Problem
Users lack the ability to quantitatively measure meditation effectiveness and modify practice in real-time, leading to potentially inefficient meditation sessions. Traditional meditation lacks real-time feedback and analytical insight.
Solution
Calmness Meter is a digital tool that links with EEG headbands to provide a real-time Calmness Score for users, enabling them to monitor and adjust their meditation practices effectively. It integrates with Apple Health, allowing users to track their meditation progress over time and make informed adjustments.
Customers
The primary users are meditators, mindfulness practitioners, yoga enthusiasts, and individuals seeking stress management through improved meditation techniques.
Unique Features
Real-time feedback on meditation via EEG, integration with Apple Health for progress tracking, and potentially the ability to adjust meditation techniques based on immediate brain signal feedback.
User Comments
As of now, there are no user comments available on ProductHunt or the main website.
Traction
The product does not have visible traction metrics such as MRR, ARR, or user numbers available on the main platforms.
Market Size
The total addressable market (TAM) for the meditation and mind training tech sector has been valued at about $2 billion, growing with a public interest in mindfulness and mental health tech solutions.

Mind Math Game
Mind Math Game play and sharp you mind
3

Mindful: Meditation & Breath
Meditation, Breath, Calm
6
Problem
Users struggle to find time for lengthy meditation sessions using traditional apps or methods, leading to inconsistent practice and unmet stress relief needs.
Solution
A mobile app offering 5-minute guided visual breathing exercises with customizable visual guides that sync with inhalation/exhalation rhythms. Users can choose sessions for sleep, focus, or balance.
Customers
Busy professionals, students, high-stress individuals, and mindfulness beginners seeking quick, accessible stress management tools.
Unique Features
Real-time visual breath synchronization, ultra-short session format (5 mins), and 10 specialized meditation types targeting specific outcomes like sleep or focus.
User Comments
Quick stress reduction, easy to use during breaks, improved focus after sessions, helpful sleep aids, appreciation for customizable visuals.
Traction
Launched 3 months ago, 500+ Product Hunt upvotes, 10k+ downloads, $20k MRR (estimated from $4.99/month subscription), founder has 1.2k X followers.
Market Size
Global meditation apps market valued at $2.1 billion in 2022, projected to grow at 15% CAGR through 2030 (Grand View Research).

Today Lucky Number
Get your daily lucky numbers | free lucky number generator
7
Problem
Users struggle with manually selecting or using basic random number generators, leading to less secure, predictable, or biased lucky number choices for lotteries, games, or decisions.
Solution
A free web tool that creates truly random lucky numbers using cryptographic algorithms. Users select a range, watch shuffled numbers, and stop generation intuitively (e.g., picking lottery numbers or game IDs).
Customers
Lottery participants, gamers, and decision-makers (ages 18-50) who seek fair, randomized numbers for gambling, contests, or everyday choices.
Alternatives
View all Today Lucky Number alternatives →
Unique Features
Cryptographic randomness (unpredictable security), interactive "shuffle and stop" UI, and no-cost accessibility.
User Comments
Quick range customization
Fun shuffle animation
Trustworthy algorithm transparency
Helps with lottery strategies
No ads or paywalls
Traction
Free product with growing engagement (exact user/MRR data unspecified); featured on Product Hunt with community validation.
Market Size
The global lottery market alone was valued at $300 billion in 2020 (Statista), indicating substantial demand for randomized selection tools.
Problem
Users seeking mental health support often rely on traditional journaling or therapy apps, which lack a personalized, non-judgmental space for daily reflection and emotional tracking.
Solution
A mental wellness app (Mindful) that serves as a safe haven for self-care through guided journaling, mood tracking, and AI-driven emotional insights, allowing users to document thoughts and feelings in a structured yet compassionate environment.
Customers
Adults aged 18–35, particularly professionals in high-stress environments, students, and individuals managing anxiety or depression who prioritize mental wellness.
Unique Features
Combines AI-driven emotional analysis with a minimalist, judgment-free interface to foster daily self-reflection and long-term mental health growth.
User Comments
Helps build consistent self-care habits
Feels like a supportive companion
Simplifies emotional tracking
Encourages mindfulness without pressure
Privacy-focused design
Traction
Launched on ProductHunt with 500+ upvotes and 1k+ early users within the first week; founder has 1.2k followers on LinkedIn.
Market Size
The global mental health apps market was valued at $5.2 billion in 2023, with a projected CAGR of 16.5% through 2030 (Grand View Research).
