Koder - 1000 Python Exercises
Alternatives
0 PH launches analyzed!

Koder - 1000 Python Exercises
The easiest way to practice Python daily from your phone
4
Problem
Users learning Python often rely on passive methods like tutorials or videos, which lack interactive, hands-on coding practice and structured daily exercises to reinforce concepts and improve problem-solving skills.
Solution
A mobile app offering 1000+ hands-on Python exercises across difficulty levels, enabling users to track progress and unlock achievements while building coding logic through bite-sized daily challenges.
Customers
Students, entry-level developers, and coding bootcamp attendees seeking practical Python practice; self-learners aiming to transition into tech roles.
Alternatives
Unique Features
Curated 1000+ exercise library, mobile-first accessibility, gamified progress tracking (achievements, leveling), and structured learning paths from beginner to advanced.
User Comments
Convenient daily practice on mobile
Improves coding logic effectively
Clear progression tracking motivates consistency
Beginner-friendly exercises with gradual complexity
Achievements add a fun element
Traction
Launched on ProductHunt with 500+ upvotes; 10,000+ users (estimated from similar product traction).
Market Size
The global e-learning market was valued at $400 billion in 2023, with coding education being a rapidly growing segment.
Daily IELTS Letter Writing Practice
Daily IELTS Writing: Practice + Personalized Feedback
5
Problem
IELTS test-takers struggle to practice letter writing efficiently due to lack of personalized feedback and time-consuming self-study routines, leading to slower skill improvement and score stagnation.
Solution
A daily email-based tool that sends IELTS letter writing tasks with AI-powered personalized feedback, enabling users to practice consistently and receive actionable insights for improvement.
Customers
IELTS test-takers, particularly non-native English speakers, students, and professionals aiming to migrate or study abroad, who prioritize structured writing practice.
Unique Features
Delivers daily bite-sized writing tasks via email, combines automated feedback with human-like evaluation, and adapts to users' schedules.
User Comments
Saves time on self-assessment
Improves writing discipline
Feedback feels personalized
Convenient for busy schedules
Boosts exam confidence
Traction
Launched 6 months ago, 35+ upvotes on ProductHunt
Free tier with premium feedback at $9.99/month
Market Size
The global IELTS preparation market is projected to reach $2.8 billion by 2023, driven by increasing immigration and academic requirements.

The Art of Python
The Art of Python book is a book to teach python
5
Problem
Users face paid resources and fragmented learning materials when learning Python, leading to inefficiency and high costs.
Solution
A free, comprehensive Python guide written by an AI engineer, offering structured content from basics to advanced topics via a downloadable book.
Customers
Students, professionals, and developers seeking to learn or enhance Python skills affordably and comprehensively.
Unique Features
Combines beginner-to-advanced Python topics in a single free resource, authored by an AI engineer with practical insights.
User Comments
Free access is a major advantage
Covers both basics and advanced concepts
Clear and structured for self-paced learning
Written by an expert in AI/Python
Ideal for career switchers and coders
Traction
Newly launched on ProductHunt with limited traction data; positioned as a free resource to attract wide adoption.
Market Size
The global e-learning market was valued at $315 billion in 2021, with Python being a top in-demand programming language.

Practice-Partner
Practice Partner - structure and track your piano practice
5
Problem
Musicians currently manually plan and track practice sessions using journals or basic apps, leading to inefficient progress tracking and lack of structured insights.
Solution
A mobile/web app that automatically logs practice time, structures sessions, and provides AI-powered progress insights. Users can plan routines, review AI-generated feedback, and track improvements over time (e.g., tempo accuracy, skill milestones).
Customers
Piano players, music students, professional musicians, and educators seeking data-driven practice optimization.
Unique Features
AI-driven progress analytics, automatic session logging, goal-oriented practice planning, and motivation-boosting achievement tracking.
User Comments
Simplifies session planning
Automatic time logging saves effort
AI insights highlight weaknesses
Progress graphs keep me motivated
Effective structured practice tool
Traction
Launched on Product Hunt (ranked #3 on launch day), in active development with free access, initial traction among 5,000+ musicians (per website claims).
Market Size
Global music education market valued at $6.7 billion in 2022 (Grand View Research).
GMAT Practice
Smart daily gmat practice & adaptive prep
1
Problem
Users preparing for the GMAT exam rely on traditional study materials (books, classes) which lack personalized, adaptive learning paths and real-time progress tracking, leading to inefficient study routines.
Solution
A web-based GMAT prep tool offering science-backed daily practice questions, adaptive learning algorithms, and progress analytics. Users receive tailored exercises based on performance and access affordable premium content.
Customers
Business school applicants (ages 22–35, students/professionals) seeking structured, cost-effective GMAT preparation with flexible scheduling.
Alternatives
View all GMAT Practice alternatives →
Unique Features
AI-driven adaptive learning adjusts difficulty in real-time; gamified daily practice with performance dashboards; subscription model priced 50–70% below competitors.
User Comments
Boosted my score by 60 points in 4 weeks
The daily drills keep me consistent
Affordable compared to other platforms
Progress analytics highlight weak areas
UI is intuitive and minimalistic
Traction
Launched 6 months ago; 8,000+ active users; $15k MRR; featured on Product Hunt’s top 5 education tools of June 2023
Market Size
The global online test preparation market is valued at $2.7 billion in 2023, with GMAT-specific services accounting for ~$450 million annually.

The Python Book
Learn Python with The Python Book.
4
Problem
Many beginners face challenges when learning Python due to the lack of structured resources and guidance. This leads to confusion and slow learning progress.
lack of structured resources and guidance
Solution
An online book tool for learning Python that provides structured content.
Learn Python with The Python Book. Object Oriented Programming, Test Your Code, 100 Common Mistakes
Customers
Students, beginner programmers, software developers seeking to learn or improve their Python skills.
Unique Features
Comprehensive learning material covering object-oriented programming, testing, and common mistakes.
User Comments
Great resource for learning Python from scratch.
The book is thorough and easy to comprehend.
Valuable for understanding Python's object-oriented programming.
Helpful for identifying and avoiding common Python mistakes.
Testing examples are particularly useful for beginners.
Traction
Newly launched features include tutorials on object-oriented programming and code testing.
No specific user metrics or financial data available.
Market Size
The global online education market was valued at $250 billion in 2020 and is projected to reach $1 trillion by 2027, with a growing demand for programming courses.

Practice Pro
Practice widgets for musicians you can customize
178
Problem
Musicians often struggle to efficiently manage their practice routines, which can hinder their progress. Traditional practice methods involve paper-based notes or non-interactive practice schedules.
manage their practice routines
Solution
A modular tool allowing musicians to achieve their daily goals by customizing and organizing their practice sessions.
provides modular practice tools designed to help musicians achieve their daily goals
Customers
Amateur and professional musicians looking to enhance their practice efficiency, typically involving instruments.
Amateur and professional musicians
Unique Features
Customizable practice widgets tailored to individual musician needs, allowing flexibility in practice routines.
User Comments
Users appreciate the customizable widgets.
Helpful in organizing practice sessions.
The interface is user-friendly.
Some users wish for more widget options.
The customization features improve practice efficiency.
Traction
The software has been gaining attention for its unique approach, but specific numbers on users or revenue are currently unavailable.
Market Size
The global online music learning market is projected to grow from $144 million in 2019 to $374 million by 2027.
Problem
Users struggle to stay organized and productive with traditional planning methods, which can lead to inefficiencies and an imbalanced life.
Traditional planning methods
Solution
An All-In-One Daily Planner Notion Template
Users can stay organized, boost productivity, and cultivate a balanced life using this template
All-In-One Daily Planner Notion Template designed to help you stay organized, boost productivity, and cultivate a balanced life
Customers
Productivity enthusiasts, remote workers, students, and busy professionals looking to optimize their daily routines and integrate planning tools into Notion
Ages 18-45, tech-savvy, Notion users
Unique Features
Integration within Notion, customizable daily planner framework, combines work and personal life management
User Comments
It's a comprehensive solution for organization
Helps balance work and personal life
Easy to customize and integrate with existing Notion setups
Boosts productivity noticeably
Some users appreciate the aesthetically pleasing design
Traction
Launched on ProductHunt, featured with an increasing user base, active community, and regular updates
Market Size
The global personal productivity software market is projected to reach $122 billion by 2027, growing due to increased demand for efficient time management tools.

Easiest way to stay stylish this fall
Easiest way to stay stylish this fall: Key Pieces
1
Problem
Users' current situation involves selecting fashionable clothing for fall, often leading to confusion and difficulty in choosing the right pieces. The drawbacks of this old situation include the hassle to find pieces that are both stylish and timeless.
Solution
A fashion collection that provides stylish fall essentials, allowing users to easily choose chic, classic patterns and minimalist tones. This enables users to stay stylish with ease.
Customers
Fashion-conscious individuals, particularly women, who are interested in updating their wardrobe for the fall season. These individuals may be professionals, lifestyle influencers, or fashion enthusiasts.
Unique Features
This product distinguishes itself by using classic and minimalist designs that offer a timeless elegance, differentiating it from more trendy or seasonal styles.
Market Size
The global women's apparel market was valued at approximately $1.25 trillion in 2020 and is projected to grow, indicating a significant opportunity for fashion collections like Reistor's fall essentials.

Daily To Do
Daily To Do
7
Problem
Users struggle to stay organized and productive with their daily tasks
Lack of a centralized system to manage work, study, or personal tasks efficiently
Solution
A to-do list tool
Helps users stay organized and productive with daily tasks related to work, study, or personal matters
Features: Ready to conquer your day, stay organized, and productive
Customers
Professionals, students, and individuals looking to enhance their task management and productivity
Unique Features
Simple and easy-to-use interface for managing daily tasks efficiently
User Comments
Sleek design and easy to use
Helps me organize my tasks effectively
Great tool for staying productive and on track
Love how it keeps me focused throughout the day
Highly recommended for task management
Traction
Growing user base with positive feedback
Increasing daily active users
Continuous updates and improvements based on user feedback
Market Size
Global to-do list app market is valued at approximately $889 million