--- title: "Pi-Anniversary — App Overview" url: https://marlvel.ai/intel-report/lifestyle/pi-anniversary category: Lifestyle developer: Sestra Studio platforms: ios rating: 5.0 (2 ratings) pricing: free report_level: overview generated: 2026-05-11 last_verified: "2026-05-11T07:22:27.430Z" --- > **Key Insight:** Pi-Anniversary is a niche event-tracking tool that differentiates itself by offering highly technical and customizable interval calculations for personal milestones. | Metric | Value | |--------|-------| | Category | Lifestyle | | Rating | 5.0 ★ (2) | | Pricing | free | | Platforms | iOS | | Latest Version (iOS) | 4.5 | | Developer | Sestra Studio | ## What is Pi-Anniversary? Pi-Anniversary is a lifestyle utility designed to track and commemorate personal events using unconventional time intervals. The app allows users to monitor dates based on mathematical constants, hexadecimal values, and historical calendar systems. ## Key Features - **Custom Anniversary Parameters**: Users can create personalized event triggers to track dates based on specific mathematical or custom criteria. - **Mathematical Interval Tracking**: The app supports tracking events using specific units such as Pi * 10^3 days or 0x77777 seconds. - **Alternative Calendar Support**: Includes options to measure time and age according to specialized systems like the Mayan calendar. ## Who is it for? Individuals interested in tracking personal milestones through unique, mathematically-themed time intervals. ## Links - [App Store](https://apps.apple.com/us/app/pi-anniversary/id566743904?uo=4) - [Full Intelligence Report](https://marlvel.ai/intel-report/lifestyle/pi-anniversary) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/lifestyle/pi-anniversary).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*