# Fasting Timer: Kufukun — 16:8 Intermittent Fasting

> 16:8 Intermittent Fasting (iPhone/iPad app by Kenta Nagato.)

- Source: https://appshunter.io/ios/app/fasting-timer-kufukun/id6787313477 (this page in markdown: same URL + `.md`)
- Developer: [Kenta Nagato](https://appshunter.io/developer/6781150799)
- Category: Health & Fitness, Lifestyle
- Price: Free with in-app purchases
- Age rating: 12+
- Requires: iOS 16.4 · 41 MB
- Languages: American English, Japanese
- Released: 2026-07-07
- Data updated: 2026-08-25
- User reviews in markdown: https://appshunter.io/ios/app/fasting-timer-kufukun/id6787313477/reviews.md

## What is Fasting Timer?

A focused intermittent-fasting timer that helps you build a consistent routine. Start a fast in seconds, see your progress at a glance, and review your history over time.

• Simple fasting timer with progress display
• Popular schedules including 16:8
• Start, finish, or cancel a fast anytime
• Review fasting history and streaks
• Track body weight in kg or lb
• Private, on-device data

Kufukun is designed for clarity and consistency without unnecessary complexity.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| プレミアム(買い切り) | $2.99 | one-time |



## Version history (last 2 releases)

### 1.1.0 — 2026-07-12

Added full English support, localized dates and units, and improvements for international use.

### 1.0 — 2026-07-08

No release notes.

## More apps by Kenta Nagato

- [Torelog Strength Log](https://appshunter.io/ios/app/torelog-strength-log/id6781150797)
- [Fukurin: Compound Interest](https://appshunter.io/ios/app/fukurin-compound-interest/id6787171202)
- [Sauna Log: Totonon](https://appshunter.io/ios/app/sauna-log-totonon/id6787370397)
- [Nenpikun: Fuel & MPG Log](https://appshunter.io/ios/app/nenpikun-fuel-and-mpg-log/id6787405602)
- [Otoku: Unit Price Compare](https://appshunter.io/ios/app/otoku-unit-price-compare/id6787867408)

All apps by Kenta Nagato: https://appshunter.io/developer/6781150799

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*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 2026-08-25.*