By jaesung Lee
Report updated May 9, 2026
Red Calendar 2026
For users seeking a streamlined, low-friction calendar interface for basic event management and holiday viewing.
Overview · Full Intel report in progress
Red Calendar 2026 is an established productivity app that is completely free. With a 4.7/5 rating from 607 reviews, it shows polarized user reception.
What is Red Calendar 2026?
Current Momentum
v9.3
No release notes available.
Competition
Rivals identification in progress
7-Day Rank Pulse 🇺🇸
ProductivityNo ranking data
Rating Pulse 🇺🇸
What makes this app unique?
What Does It Look Like?
How Is The App's Momentum Right Now?
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What Are The Key Features?
Allows users to save events or memos with a single tap or long-press for recurring and continuous entries.
Provides visibility into public holidays across various countries within an annual calendar view.
Supports personalized background images and the ability to export the calendar as an image for use as a phone wallpaper.
Includes native support for dark mode and home screen widgets for improved accessibility.
How much does it cost?
Who Built It?
jaesung Lee
Providing minimalist productivity and utility tools for users seeking streamlined, low-friction mobile experiences.
Portfolio
12
Apps
Who is jaesung Lee?
The publisher maintains a fragmented portfolio that prioritizes utility-focused, single-purpose tools over integrated ecosystems. By focusing on niche productivity and developer-centric utilities, they avoid direct competition with feature-heavy enterprise suites. The strategic tension lies in the lack of a unified brand identity, as the portfolio spans disparate categories from calendar management to technical interview preparation, suggesting an experimental approach to product-market fit.
Who is jaesung Lee for?
- Individual users
- Developers seeking minimalist
- Single-function solutions for daily task management
- Technical study
Portfolio momentum
Released 3 updates across 12 apps in the last 6 months, indicating a maintenance-heavy development cycle.
What other apps does jaesung Lee make?
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
Analysis in progress, available soon
What is the competitive landscape for Red Calendar 2026?
How's The Productivity Market?
Market outlook for this category
Available very soon
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for Red Calendar 2026
Key Takeaways
The app focuses exclusively on speed and simplicity, stripping away complex notification and time-tracking features to provide a frictionless logging experience.
Where Is It Heading?
Trend analysis
Available very soon