# FastFlow - Fasting Tracker — Track Fasting & Weight

> Track Fasting & Weight (iPhone/iPad app by Shin Katayama.)

- Source: https://appshunter.io/ios/app/fastflow/id6756208094 (this page in markdown: same URL + `.md`)
- Developer: [Shin Katayama](https://appshunter.io/developer/1841174043)
- Category: Health & Fitness, Lifestyle
- Price: Free
- Age rating: 12+
- Requires: iOS 15.1 · 34 MB
- Languages: English
- Released: 2025-12-10
- Data updated: 2026-05-13
- User reviews in markdown: https://appshunter.io/ios/app/fastflow/id6756208094/reviews.md

## What is FastFlow?

【Who Is This For?】
• Starting 16:8 intermittent fasting
• Want easy fasting time management
• Track and visualize weight changes
• Achieve autophagy benefits for healthy weight loss

【Key Features】

■ Beautiful Circular Timer
Intuitive display showing remaining fasting or eating time. Elegant design with clear progress visualization.

■ Flexible Fasting Patterns
• 16:8 (16-hour fast / 8-hour eating window)
• 18:6 (18-hour fast / 6-hour eating window)
• 14:10 (14-hour fast / 10-hour eating window)
• Custom schedules

■ Weight Progress Graph
Record daily weight and visualize changes with line graphs. See your fasting results clearly.

■ Meal Log
Document meals with photos. Review what you've eaten anytime.

■ Smart Notifications
Get push notifications for fasting start and end times. Build lasting habits effortlessly.

■ Cloud Sync
Securely backup your data to the cloud. Transfer seamlessly when switching devices.

【Benefits of Intermittent Fasting】
• Activate autophagy for cellular renewal
• Improve insulin sensitivity
• Enhance fat burning
• Boost focus and mental clarity

【Why FastFlow?】
• 100% free with all features unlocked
• Simple, intuitive interface
• Privacy-focused design
• Clean, distraction-free experience

Download now and start your healthy fasting journey!


## Version history (last 2 releases)

### 1.2.0 — 2026-04-15

Fixed ad display issues and minor bugs.

### 1.1.0 — 2025-12-10

No release notes.

## More apps by Shin Katayama

- [HIIT Timer - Simple Timer](https://appshunter.io/ios/app/hiit-timer/id6752818078)
- [anxijournal](https://appshunter.io/ios/app/anxijournal/id6755478437)
- [BlurMe｜人物自動認識ぼかしアプリ](https://appshunter.io/ios/app/blurme/id6755762589)
- [Blacksmith Merge](https://appshunter.io/ios/app/blacksmith-merge/id6756599742)
- [Neon Jelly Puzzle](https://appshunter.io/ios/app/neon-jelly-puzzle/id6766546627)

All apps by Shin Katayama: https://appshunter.io/developer/1841174043

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-13.*