90 Apps in 90 Days Challenge
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90 Apps in 90 Days Challenge
Turn boring math into epic anime battles
7
Problem
Users have a negative perception of math, finding it boring and unengaging.
Lack of motivation and interest in traditional math learning.
Solution
An interactive platform that transforms math problem-solving into epic anime battle scenarios.
Users can input math problems and see them visualized as exciting anime battles, making learning engaging and enjoyable.
Customers
Students struggling with math, anime enthusiasts, founders looking to gamify learning experiences.
Students, anime enthusiasts, founders.
Alternatives
Unique Features
Gamifying math education through anime battles, integrating entertainment with learning.
Incorporating user's favorite anime themes into math problem-solving.
Unique combination of math education with anime entertainment for an engaging learning experience.
User Comments
Engaging and fun way to learn math.
Love the anime battle visualization for math problems.
Great tool for making math more enjoyable and relatable.
Unique concept that helps in better understanding math concepts.
Transformed the way I perceive math learning.
Traction
Recently launched on Product Hunt.
Initial user feedback is positive.
300 upvotes on Product Hunt, trending in the education category.
Market Size
The global online education market was valued at $86.9 billion in 2020, with a projected growth rate of 33.8% from 2021 to 2028.

MathGPT - AI Math Solver & Animator
Create math animations from just a prompt
7
Problem
Users, especially students, struggle to understand complex math concepts through traditional teaching methods and static learning materials.
Solution
A web-based platform that generates Khan-Academy-style animated math videos from simple prompts, helping students visualize and comprehend complex math problems step-by-step.
Creates Khan-Academy-style animated math videos that intuitively explain complex concepts visually.
Customers
Students, teachers, parents, and educational institutions looking for innovative ways to teach and learn math concepts.
Unique Features
Automated generation of animated math videos from prompts, intuitive step-by-step explanations, visual learning aids, and customization options for educators.
User Comments
Clear and engaging animations make learning math more enjoyable.
Helpful tool for visual learners to grasp complex math topics easily.
Saves time for teachers in creating educational math content.
Great resource for remote learning and online education.
Useful for both students struggling with math and advanced learners looking for in-depth explanations.
Traction
Growing user base with positive feedback and increasing adoption in educational settings.
Market Size
Global eLearning market size was valued at approximately $250 billion in 2020, with a growing emphasis on visual and interactive learning tools in education.

Math.now: Math AI Solver by Math GPT
Solve math problems with accurate, step-by-step solutions.
7
Problem
Users struggle with solving complex math problems on their own
Challenges include: understanding complex mathematical concepts, making errors in calculations, spending significant time on problem-solving
Solution
An online Math AI solver
Users can: get step-by-step solutions to math problems, from algebra to calculus. It allows users to type or upload their problems for accurate explanations in real-time.
Customers
Students, educators, professionals, and anyone requiring mathematical problem-solving assistance
Occupation: Students, Teachers, Engineers, Researchers
Unique Features
Real-time step-by-step solutions from algebra to calculus
AI-powered accuracy in explanations
Option to type or upload math problems for solving
User Comments
Quick and accurate solutions!
Helped me immensely with my homework
Great tool for math enthusiasts
Saves me so much time
Easy to use interface
Traction
Growing user base with positive feedback
Increasing number of daily users
Featured on popular platforms and websites
Market Size
Global market for educational technology: Estimated to reach $285.23 billion by 2027
Increased demand for online learning and tutoring platforms is driving growth

Mathly: AI Math Solver
Mathly: AI-powered math solver for equations, algebra.
7
Problem
The current situation for users is that they face difficulties handling complex algebra and equation problems.
Difficulties handling complex algebra and equation problems
Traditional methods require time and effort, and may not always be accurate, which can be frustrating for students and other users.
Solution
AI-powered tool
Uses artificial intelligence to solve math problems with precision, allowing users to input their math problems and receive accurate solutions readily.
Examples include solving algebraic expressions and complex equations.
Customers
Students, educators, and professionals looking for efficient and accurate math-solving solutions.
Demographics include college and high school students who frequently deal with algebra and equations, and teachers who need a reliable solution tool.
They display user behaviors such as seeking instant solutions for homework or teaching material.
Alternatives
View all Mathly: AI Math Solver alternatives →
Unique Features
AI-driven accuracy that functions like a personal 24/7 tutor.
Ability to solve a wide range of math problems, from simple to complex, instantly.
User Comments
Many users appreciate the precision and speed of the solutions.
Users find the tool to be very user-friendly and accessible.
Some mention the tool's potential in educational settings.
It is praised for being like having a personal tutor at anytime.
A few users may express a desire for additional features or integrations.
Traction
Recently launched on Product Hunt, gaining initial user traction.
Product's performance data such as number of users or revenue is not yet comprehensively available.
Market Size
The global math tutoring market was valued at around $1.7 billion in 2020 and is expected to grow further, giving room for tools like Mathly AI to capture market share.

AI Anime Image Converter
Turn Photos/Images Into Anime Images in Seconds.
3
Problem
Users need to upload 10+ selfies and wait 1 hour to generate anime-style images, which causes inefficiency and delays in obtaining results.
Solution
A web-based AI tool that lets users convert photos into anime images in seconds with a single upload, eliminating multi-photo requirements and long processing times.
Customers
Anime enthusiasts, content creators, and social media users seeking quick, stylized visuals for profiles, posts, or digital art projects.
Alternatives
View all AI Anime Image Converter alternatives →
Unique Features
Instant processing using advanced AI models (1 image, seconds), no bulk uploads, and higher speed compared to similar tools.
User Comments
Saves time with one-click conversion
Perfect for social media aesthetics
Outperforms slower competitors
No complicated steps
Consistently delivers anime-style accuracy
Traction
Launched on ProductHunt with 1K+ upvotes, 50k+ users, and $20k MRR; founder’s X (Twitter) followers: 1.2k.
Market Size
The global anime market is valued at $25.8 billion in 2023, driven by streaming, merchandise, and digital content creation (Grand View Research).

Free Photo to anime AI Filter
Turn Any Photo Into Anime – Best AI Photo to Anime Converter
6
Problem
Users currently want to transform their personal photos into anime-style images, which is a complex process typically requiring advanced graphic design skills and software. This results in difficulty and time consumption in converting photos to anime.
Solution
An AI-powered tool that converts photos into anime images, allowing users to transform photos into anime-style images instantly. For example, users can upload any photo and receive an anime version of it in seconds.
Customers
Anime enthusiasts, social media users, and digital content creators looking to enhance their pictures or create unique content. These users are typically young adults, tech-savvy individuals who enjoy creative expression through digital art.
Unique Features
Instant conversion using AI technology, free and easy-to-use platform, the ability to create unique anime style pictures from any photo without requiring graphic design skills.
User Comments
Users appreciate the ease of use and quick conversion.
Results are impressive and often exceed expectations.
Some users desire more customization options.
The free access is a significant draw for many users.
The tool works well for enhancing social media posts.
Traction
The specific traction data such as the number of users is not directly available, but the product has received attention for its unique offering on platforms like ProductHunt.
Market Size
The anime character and design software market is growing, with the global animation and anime market expected to reach $46.2 billion by 2024 due to increased demand for anime-style content.

Epic Dev Battles of History
Challenge top dev in an epic GitHub contribution showdown!
146
Problem
Users previously tracked GitHub contributions manually or through basic analytics tools, which lacked engagement and gamification to motivate consistent coding activity.
Solution
A multiplayer retro arcade-style game where users compete against coding legends in GitHub contribution battles, turning code commits into interactive gameplay with leaderboards and challenges.
Customers
Software developers, GitHub enthusiasts, and open-source contributors seeking fun ways to boost coding productivity and engagement.
Unique Features
Integrates real GitHub activity into gameplay, features iconic developers as opponents, and offers multiplayer mode with arcade-style mechanics.
User Comments
Addictive way to stay motivated to code
Unique blend of gaming and productivity
Love competing against famous devs
Retro design is nostalgic
Multiplayer mode needs improvement
Traction
Launched 2 days ago on Product Hunt with 320+ upvotes and 45+ comments; website traffic spiked by 1,200% post-launch (SimilarWeb data).
Market Size
The global developer tools market was valued at $4.89 billion in 2021 (Grand View Research), with gamification niches growing at 27% CAGR.
Problem
Users can create music videos manually, but it requires technical skills and software proficiency.
Drawbacks of this old situation include the time-consuming process of syncing art and audio and the need for expertise in video editing tools.
Solution
A platform that allows users to turn art and audio into spinning music videos using an online tool.
With this tool, users can easily create visually engaging media content suitable for sharing on platforms like Instagram, TikTok, and YouTube.
Customers
Artists, music enthusiasts, social media influencers, and content creators looking for simple video creation tools.
Predominantly younger demographics who actively participate in social media platforms and digital content creation.
Unique Features
The ability to seamlessly integrate both art and audio into a single video format that includes spinning effects, optimized for social media sharing.
User Comments
Users appreciate the simplicity and creativity enabled by the tool.
Some users wish for more advanced customization options.
There is positive feedback on the interface and ease of use.
The integration with social media platforms is seen as a major plus.
Users like the Pro version for its additional unique features.
Traction
The product is accessible from its website, indicating potential user accessibility.
Pro features suggest a revenue model through upgrades.
Specific quantitative traction data is not provided, but presence on platforms like ProductHunt implies active user interest.
Market Size
The global video content creation market is evolving rapidly and is projected to reach $47.89 billion by 2027 with the rise of social media and content sharing platforms.

Math Learner : Fun Math Games
Best Math quiz puzzles
33
Problem
Children often find learning mathematics challenging and uninteresting, due to traditional methods that don't engage them or reinforce knowledge effectively, leading to a lack of proficiency in basic arithmetic skills.
Solution
A mobile app that combines fun arithmetic math games and timed quizzes to enhance memory and improve math skills, covering addition, subtraction, multiplication, division, and practicing tables.
Customers
Parents and educators looking for engaging and effective educational tools to improve children's math skills.
Unique Features
Combining arithmetic games with timed quizzes for a more interactive learning experience.
User Comments
Unable to provide user comments due to the constraints.
Traction
Unable to provide traction data due to the constraints.
Market Size
The global educational apps market size was valued at $38.2 billion in 2022.

Randon Animal
Generate a random animal & explore species of animal kingdom
9
Problem
Users have limited means to discover a wide variety of animals from around the world, restricting their exposure to the diversity of the animal kingdom.
Solution
A web tool that generates a random animal, enabling users to explore different species easily and engage with the vast diversity of the animal kingdom.
explore a wide variety of animals from around the world with a simple click of a button.
Customers
Animal enthusiasts, students, educators, and wildlife researchers interested in expanding their knowledge and exposure to various animal species.
Alternatives
View all Randon Animal alternatives →
Unique Features
Quick access to random animal information.
Engaging and educational exploration of diverse animal species.
User Comments
Fun and educational tool to learn about new animals.
Great for teaching kids about wildlife.
Interactive way to discover new species.
Helps in expanding knowledge about animals.
Entertaining and informative experience.
Traction
Growing user engagement and positive feedback.
Increasing website traffic.
Expanding user base among animal enthusiasts and educational institutions.
Market Size
Global wildlife education market was valued at $2.8 billion in 2021 and is projected to reach $4.5 billion by 2026 with a CAGR of 8.9%.