What is 21Days: Build Habits?
A simple, distraction-free, offline habit builder & tracker with reminders. One-time purchase (€1.99), no subscriptions, no ads.
Problem
Users struggle with maintaining consistency and accountability when building habits using traditional methods like manual journals or generic reminder apps, which lack structured frameworks and progress tracking.
Solution
A habit-tracking mobile app that uses a 21-day framework, reminders, and offline progress tracking to help users build routines. Example: Users set a habit, receive daily reminders, and track streaks visually.
Customers
Busy professionals, students, and self-improvement enthusiasts aged 20-45 who value simplicity, hate subscriptions, and seek quantifiable habit-building progress.
Unique Features
21-day science-backed habit cycle, one-time payment model (€1.99), completely ad-free, and offline functionality for uninterrupted use.
User Comments
Effective for forming routines
Affordable compared to subscription apps
Minimalist design reduces distractions
Reliable reminders
No hidden costs
Traction
One-time purchase model at €1.99 (exact revenue undisclosed), launched on ProductHunt with 180+ upvotes. Founder active on X with 1.2K followers.
Market Size
The global habit-tracking app market is projected to grow at 15.4% CAGR, reaching $1.2 billion by 2027 (Allied Market Research).
