---
title: "FastZen - Fasting Tracker — App Overview"
url: https://marlvel.ai/intel-report/health-fitness/fastzen-fasting-tracker
category: Health & Fitness
developer: Benjamin Dupin
platforms: ios
rating: N/A (0 ratings)
pricing: free
report_level: overview
generated: 2026-05-09
last_verified: "2026-05-09T09:29:51.985Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** FastZen is a privacy-centric fasting tracker that prioritizes local data storage and visual progress monitoring for various fasting protocols.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Health & Fitness |
| Rating | N/A ★ (0) |
| Pricing | free |
| Platforms | iOS |
| Latest Version (iOS) | 1.0.3 |
| Developer | Benjamin Dupin |

<!-- SECTION: Summary -->
## What is FastZen - Fasting Tracker?

FastZen is an intermittent fasting tracker that provides real-time metabolic phase monitoring and customizable fasting schedules. The app emphasizes user privacy by storing all data locally on the device.

<!-- SECTION: Key Features -->
## Key Features

- **Fasting Timer**: A one-tap interface featuring a circular progress ring that displays elapsed time, remaining time, and current metabolic zones.
- **Fasting Zones**: Educational tracking that maps physiological changes across five stages, ranging from Fed to Deep Ketosis.
- **Flexible Plans**: Supports various fasting protocols including 16:8, 18:6, 20:4, OMAD, and custom durations.
- **Progress Tracking**: Allows users to review their fasting history and consistency through completion percentage metrics.

<!-- SECTION: Target Audience -->
## Who is it for?

Individuals seeking a privacy-focused tool to track intermittent fasting schedules and metabolic progress.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/fastzen-fasting-tracker/id6761484595?uo=4)
- [Full Intelligence Report](https://marlvel.ai/intel-report/health-fitness/fastzen-fasting-tracker)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/health-fitness/fastzen-fasting-tracker).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*