Report updated May 5, 2026
Fenster
For individuals seeking a simple, privacy-conscious tool to manage intermittent fasting schedules.
Overview · Full Intel report in progress
Fenster is an established health & fitness app that is free with in-app purchases.
What is Fenster?
Current Momentum
v1.0
No release notes available.
Competition
Rivals identification in progress
7-Day Rank Pulse 🇺🇸
Health & FitnessNo ranking data
Rating Pulse 🇺🇸
Gathering signals...
What makes this app unique?
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What Are The Key Features?
Supports multiple fasting windows including 16:8, 12:12, 14:10, 18:6, 20:4, and custom intervals.
Visualizes fasting stages such as fat burn and autophagy alongside a history log with calendar and session cards.
Operates without cloud accounts, ensuring all user data remains stored locally on the device.
Provides daily reminders to start fasts, with optional milestone and follow-up notifications available via Premium.
How much does it cost?
Who Built It?
Rajesh Budhiraja
Building minimalist tools for personal organization, mindfulness, and creative expression. Helping users cultivate intentional habits through focused, aesthetic digital experiences.
Portfolio
8
Apps
What other apps does Rajesh Budhiraja make?
Explore the full Rajesh Budhiraja report
Portfolio breakdown, audience, momentum, and every app published by Rajesh Budhiraja.
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 Fenster?
How's The Health & Fitness Market?
Market outlook for this category
Available very soon
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for Fenster
Key Takeaways
Fenster differentiates itself by prioritizing user privacy and local data storage in a market typically dominated by cloud-synced health apps.
Where Is It Heading?
Trend analysis
Available very soon