--- title: "four seven eight — App Overview" url: https://marlvel.ai/apps/four-seven-eight category: Health & Fitness developer: crtd labs, inc platforms: ios rating: 5.0 (6 ratings) pricing: free report_level: overview generated: 2026-04-28 last_verified: "2026-04-28T12:46:49.320Z" --- > **Key Insight:** This app provides a privacy-focused, offline utility for practicing structured breathing techniques without ads or subscriptions. | Metric | Value | |--------|-------| | Category | Health & Fitness | | Rating | 5.0 ★ (6) | | Pricing | free | | Platforms | iOS | | Latest Version (iOS) | 1.0.4 | | Developer | crtd labs, inc | ## What is four seven eight? four seven eight is a health and fitness tool designed to guide users through the 4-7-8 breathing technique to promote relaxation and sleep. The app features a distraction-free interface that functions entirely offline without requiring user accounts or data tracking. ## Key Features - **Visual Breathing Guide**: Provides guided animations to help users synchronize their breathing with the 4-7-8 timing pattern. - **Progress Tracking Calendar**: Allows users to monitor their consistency and build a daily mindfulness habit. - **Offline Functionality**: Operates without an internet connection and requires no account creation or data collection. - **Minimalist Interface**: Offers a clean, distraction-free design that initiates a session with a single tap. ## Who is it for? Individuals seeking a simple, habit-forming tool for stress relief, anxiety management, and improved sleep hygiene. ## Links - [App Store](https://apps.apple.com/us/app/four-seven-eight/id6749875998?uo=4) - [Full Intelligence Report](https://marlvel.ai/apps/four-seven-eight) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/four-seven-eight).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*