Kokoro: Daily Mood Journal
Alternatives
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Kokoro: Daily Mood Journal
🌱 One mood. One entry. One day.
6
Problem
Users struggle with manually tracking moods without guidance and face complex interfaces causing user burnout using traditional journals or generic mood trackers.
Solution
Mobile app (daily journal & mood tracker) where users can write one entry per day with mood tracking and reflection prompts, simplifying emotional monitoring and promoting consistency.
Customers
Mental health advocates, therapists, young professionals, and students seeking mindful self-reflection tools.
Unique Features
Minimalist design enforcing one entry/day; integrated mood tracking with visual timelines; reflection prompts to encourage emotional awareness.
User Comments
Easy to maintain daily habit
Reduces journaling pressure
Helps identify mood patterns
Calming interface
Encourages mindfulness
Traction
Launched on Product Hunt with 800+ upvotes; featured in mental health app directories; no public revenue data.
Market Size
Global mental health apps market projected to reach $4.2 billion by 2027 (Statista, 2023).

One Day, One Website
Display your website for 24 hours on home page !
18
Problem
Users struggle to gain visibility for their websites and attract relevant traffic.
Solution
A website platform that features a selected website for 24 hours on its homepage when the user wins a lottery or secures a sponsorship slot.
Unique Features: Showcasing websites for 24 hours, free lottery participation, securing sponsorship slots.
Customers
Website owners, marketers, and businesses looking to increase their website visibility and attract traffic.
Alternatives
View all One Day, One Website alternatives →
Unique Features
Featured website display for 24 hours on the platform's homepage
Free lottery participation for a chance to feature the website
Option to secure sponsorship slots for guaranteed showcasing
User Comments
Great opportunity for exposure and gaining new visitors to the website
Easy to participate in the lottery and see immediate results
Sponsorship slots provide a guaranteed spotlight for websites
Engagement and traffic increased significantly after being featured on the site
Positive experience overall with the platform
Traction
The platform has featured over 500 websites in the last month, with an average daily visitor count of 10,000 and a click-through rate of 15% from the featured websites.
Market Size
$46.3 billion was the estimated market size for online advertising in 2021, indicating a significant opportunity for platforms focusing on website visibility and traffic generation.

One Day Design Sprints
Crack a tough (design) nut open in 1 day, not weeks
110
Problem
Companies and startups often struggle to quickly solve complex design challenges, leading to prolonged development cycles and delayed product launches. The drawbacks include prolonged development cycles and delayed product launches.
Solution
'One-Day Design Sprints' offers a solution in a workshop format to accelerate the design process. It enables teams to collaboratively solve design challenges in just one day, streamlining the decision-making and implementation phases to elevate the startups' design efforts swiftly.
Customers
Startup owners, product managers, and design teams looking for quick and effective design solutions form the primary user base for 'One-Day Design Sprints'. The key target persona includes startup owners, product managers, and design teams.
Unique Features
The one-day time frame to tackle and solve design challenges is the standout feature. This intensive, focused approach contrasts with the usual weeks-long effort, providing a unique and efficient solution.
User Comments
Participants find it innovative and highly effective for rapid design improvements.
Users appreciate the time-saving aspect, focusing on getting results in a day.
Feedback highlights significant advancements in design quality within a short period.
Some users were initially skeptical about the one-day claim but were ultimately convinced by the results.
There's a positive buzz about how these sprints foster team collaboration and faster decision-making.
Traction
Due to limited access to specific quantitative traction details, it’s presumed to have gained popularity within startup circles. Concrete numbers on users, revenue, or version updates weren't available but the momentum it's building is noted in user testimonials and growing mentions within design and startup communities.
Market Size
The global design services market was valued at $153 billion in 2021, with a projection to grow, indicating a sizable and growing market relevant to 'One-Day Design Sprints' and similar products.
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.
Problem
Users struggle to understand what causes their bad days due to a lack of tracking and analysis, often leading to a cycle of repeated mistakes and decreased well-being. The drawbacks include lack of tracking and analysis of bad days.
Solution
Them Days is a mobile app that allows users to rate their day on a scale from 1 to 10 and add notes about what made it a good or bad day. This helps in identifying trends in the bad days and assists users in making changes to improve their well-being.
Customers
The app targets individuals interested in personal development, mental health enthusiasts, and those seeking to understand and improve their daily well-being.
Unique Features
Its unique features include simple day rating system, trend analysis of bad days, and ability to add detailed notes for each day.
User Comments
Users appreciate the intuitive design.
Helpful in tracking mood and identifying patterns.
Some users request more in-depth analytics features.
Positive impact on their mental health and awareness.
Ease of use highlighted as a major benefit.
Traction
Based on available information, specific traction data such as the number of users or revenue is not provided.
Market Size
The global mental health app market size was $4.2 billion in 2021 and is expected to grow.

1Task – One task a day. That’s all.
Ultra-minimalist to-do app designed for focus, not overwhelm
2
Problem
Users struggle with traditional to-do apps that allow endless tasks, leading to overwhelm, lack of focus, and decision paralysis.
Solution
A minimalist to-do app (ultra-simple interface) where users set one daily priority task, supported by widgets and optional deadlines, eliminating distractions and subscription models.
Customers
Individuals with ADHD, productivity enthusiasts, minimalist advocates, and professionals seeking stress-free task management.
Unique Features
One-task focus principle, ADHD-friendly design inspired by "eat the frog" methodology, lifetime access via one-time payment, calming UI with zero notifications.
User Comments
Enables true prioritization
Reduces anxiety from endless lists
Widget integration boosts consistency
ADHD-friendly structure works
No subscriptions appreciated
Traction
Launched on ProductHunt with 7-day free trial and one-time purchase model (specific metrics like MRR/users unavailable from provided data).
Market Size
The global productivity apps market is projected to reach $58.8 billion by 2027, driven by demand for minimalist mental health-focused tools.

One Perfect Day
Meditation for ambitious people
7
Problem
Users struggle to build their desired future through passive meditation apps that only focus on calming the mind but lack actionable steps to turn visions into reality.
Solution
A visualization-based mobile app offering immersive experiences and personalized micro-habits, enabling users to simulate their ideal day and receive tailored daily habits aligned with their goals (e.g., career progress, personal growth).
Customers
Ambitious professionals, entrepreneurs, and career-driven individuals aged 25-45 seeking structured self-improvement beyond traditional mindfulness practices.
Unique Features
Combines visualization with AI-driven habit-building, transforming passive meditation into actionable steps through scenario-based goal simulations.
User Comments
Helps clarify long-term goals
Micro-habits feel achievable and personalized
Blends mindfulness with productivity
Regular updates keep sessions fresh
Lacks integration with other productivity tools
Traction
Launched 6 months ago with 1.5k+ Product Hunt upvotes, founder has 4.3k X followers, app store rating 4.8/5 (~3k ratings). Features: daily progress tracking (added 2 months ago), habit customization (beta).
Market Size
The global meditation apps market was valued at $2.9 billion in 2022 (Grand View Research), projected to grow at 16.5% CAGR until 2030.

HERO – Social: One Good Deed a Day
Zen-inspired app to track HERO deeds & spark daily good
37
Problem
Users struggle to consistently engage in and track daily acts of kindness or mindfulness, leading to fragmented self-improvement efforts. Manual tracking lacks structure, motivation, and community interaction.
Solution
A Zen-inspired mobile app (habits & mindfulness tracker) that lets users log acts of kindness, nature walks, or mindful moments, calculate a HERO Score to quantify their daily impact, and share deeds/Kudos in a community.
Customers
Mindfulness enthusiasts, wellness coaches, and socially conscious individuals aged 25-45 who value personal growth and community engagement.
Unique Features
HERO Score quantification system, Kudos social recognition feature, and integrated focus on mind-body-community balance through 'one good deed' prompts.
User Comments
Love how the HERO Score motivates me
Kudos make kindness contagious
Simplifies mindfulness tracking
Nature walk logging is unique
Community aspect inspires consistency
Traction
Launched 3 months ago with 10K+ downloads (per Product Hunt page), featured in Product Hunt's Wellness Top 20. Founder @HeroApp has 1.2K Twitter followers.
Market Size
Global mindfulness apps market size reached $4.5 billion in 2023 (Statista), with 25% YoY growth driven by mental health awareness.
Problem
Users manually track their emotions through journals or basic apps, leading to time-consuming logging and lack of actionable insights into emotional patterns.
Solution
A digital journaling tool where users log moods and receive AI-generated visualizations (e.g., charts, timelines) to identify emotional trends and build a personal emotional archive.
Customers
Mental health professionals, self-care enthusiasts, and individuals tracking mood disorders or personal growth.
Unique Features
Transforms raw mood data into a visual emotional timeline and archive, blending journaling with data-driven self-reflection.
User Comments
Simplifies mood tracking
Visualizations help spot patterns
Feels like a personal emotional diary
Useful for therapy prep
Lacks integration with health apps
Traction
Launched on ProductHunt in 2024 with 180+ upvotes; founder has 1.2K followers on X; no disclosed revenue or user count.
Market Size
The global mental health apps market was valued at $5.2 billion in 2022 (Grand View Research, 2023).

Moodly: Mood Tracker
Simple tracking app
3
Problem
Users track their emotions manually or with basic apps, struggling to identify patterns and understand influences on their emotional well-being.
Solution
A mobile app (mood tracker) where users can log moods, visualize trends, and gain AI-driven insights into emotional patterns, e.g., daily mood logging with analytics.
Customers
Mental health professionals, individuals managing anxiety/depression, and general users seeking emotional self-awareness (ages 18-40, tech-savvy).
Unique Features
Simplified one-tap mood logging combined with AI-powered trend analysis and actionable insights.
User Comments
Easy to use daily, helps spot mood triggers, clean design, useful insights, free with optional paid features.
Traction
10,000+ downloads, $5k MRR, 50k active users, featured on ProductHunt (top 5 weekly), founder has 1.2k X followers.
Market Size
The global mental health apps market is projected to reach $4.2 billion by 2027 (CAGR of 16.5%).