# InnerFast - Fasting Companion — Track Your Fasting Journey

> Elegant intermittent and extended fasting tracker with visual progress and stage monitoring. (iPhone/iPad app by S Boersma.)

- Source: https://appshunter.io/ios/app/innerfast-fasting-companion/id6757077907 (this page in markdown: same URL + `.md`)
- Developer: [S Boersma](https://appshunter.io/developer/830543951)
- Category: Health & Fitness, Lifestyle
- Price: Free
- Rating: 4.30/5 from 3 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.0 · 5 MB
- Languages: American English
- Released: 2026-01-08
- Data updated: 2026-08-29
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/innerfast-fasting-companion/id6757077907/reviews.md

## What is InnerFast?

Transform Your Fasting Journey

InnerFast is your elegant companion for intermittent fasting and extended fasts. With beautiful visual progress tracking and intelligent stage monitoring, reaching your fasting goals has never been more intuitive.

Visual Progress Tracking
Watch your fast unfold with stunning activity rings that show your progression through each fasting stage. From the initial anabolic phase to deep ketosis, see exactly where you are in your journey at a glance.

Smart Goal Setting
Set personalized fasting goals from 16 hours to multiple days, or track without limits. Choose preset durations or pick a custom end time that fits your schedule. The app automatically adjusts your progress visualization based on your goals.

Five Fasting Stages
 - Anabolic (0-4h): Post-meal nutrient processing
 - Catabolic (4-16h): Glycogen depletion begins
 - Fat Burning (16-24h): Ketone production starts
 - Ketosis (24-72h): Deep fat adaptation
 - Deep Ketosis (72h+): Maximum metabolic benefits

Comprehensive History
Every fast is saved with detailed information including duration, stages reached, and timestamps. Review your progress, identify patterns, and celebrate your achievements.

Flexible Notifications
 - Stage change alerts at key milestones
 - Motivational messages to keep you inspired
 - Choose from 8 different motivational styles
 - Customize frequency to match your needs

Beautiful Design
Crafted with care, InnerFast features a premium interface with smooth animations and an elegant color palette. Dark mode optimized for comfortable viewing any time of day.

Key Features
 - Interactive activity rings for each fasting stage
 - Toggle between time elapsed and time remaining
 - Real-time percentage tracking
 - Detailed stage information and descriptions
 - Complete fasting history
 - Edit start times if needed
 - Statistics and progress insights
 - No subscription required

Privacy Focused
Your fasting data stays on your device. No account required, no data collection, complete privacy.

Whether you're practicing 16:8 intermittent fasting, doing OMAD (One Meal A Day), or exploring extended fasts for deeper health benefits, InnerFast provides the clarity and motivation you need to succeed.

Download InnerFast today and make every fast count.

## Key features

- Visual progress tracking with activity rings
- Smart goal setting for custom durations
- Monitoring of five distinct fasting stages
- Comprehensive fasting history and insights
- Flexible stage change and motivational notifications
- Premium, dark mode optimized design
- Privacy-focused with no account required

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/innerfast-fasting-companion/id6757077907/reviews.md

### 3/5 — Please Add 18 hours fast

*2026-08-05*

Please Add 18 hours fast

## Frequently asked questions about InnerFast

### What are the fasting stages InnerFast tracks?

InnerFast tracks five distinct fasting stages: Anabolic (0-4h), Catabolic (4-16h), Fat Burning (16-24h), Ketosis (24-72h), and Deep Ketosis (72h+). Each stage is explained within the app to help you understand your body's metabolic state.

### Can I customize my fasting goals in InnerFast?

Yes, InnerFast allows for smart goal setting. You can choose preset durations or set a custom end time for your fasts, ranging from 16 hours to multiple days. The app automatically adjusts progress visualization based on your set goals.

### Does InnerFast require an account or collect user data?

No, InnerFast is privacy-focused and does not require an account or collect any user data. Your fasting data stays securely on your device, ensuring complete privacy.

### How does InnerFast notify users about their fasting progress?

InnerFast offers flexible notifications, including alerts for stage changes at key milestones and motivational messages. You can choose from 8 different motivational styles and customize the frequency to suit your needs.

### What devices does InnerFast support?

Currently, InnerFast supports iPhone devices. It features a premium interface with dark mode optimization for comfortable viewing at any time of day.

### How often is InnerFast updated?

InnerFast was last updated on January 30, 2026, with version 1.2.3. This indicates a recent update, suggesting ongoing development and support for the application.

### What is the user rating for InnerFast?

InnerFast has a strong user rating of 4.3 stars based on 3 ratings. This suggests a positive reception from its current user base.

### Is InnerFast free to use?

Yes, InnerFast is completely free to use and does not require a subscription. The app is available at no cost to users.

## Version history (last 5 releases)

### 1.2.3 — 2026-01-30

Bug fixes

### 1.2.2 — 2026-01-28

Bug fixes

### 1.2.1 — 2026-01-27

Bug fixes

### 1.2 — 2026-01-24

New UI and Icon and several bug fixes

### 1.1 — 2026-01-22

Updated UI and added Water Intake Tracker

## Apps similar to InnerFast

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Fasten - Fasting Tracker](https://appshunter.io/ios/app/fasten-fasting-tracker/id6760921042) | — | Free | Health & Fitness |
| [Fasting Tracker Pro - IF](https://appshunter.io/ios/app/fasting-tracker-pro-if/id6761078928) | — | Free | Health & Fitness |
| [Faslo - Simple Fasting Tracker](https://appshunter.io/ios/app/faslo-simple-fasting-tracker/id6764678539) | — | Free | Health & Fitness |
| [Fasting Timer: Nova Fast](https://appshunter.io/ios/app/fasting-timer-nova-fast/id6761011600) | 4.5 (2) | Free | Health & Fitness |
| [GlowFasting](https://appshunter.io/ios/app/glowfasting/id6748253345) | — | Free | Health & Fitness |
| [Meridian: Fasting Tracker](https://appshunter.io/ios/app/meridian-fasting-tracker/id6759932374) | — | Free | Health & Fitness |

## More apps by S Boersma

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All apps by S Boersma: https://appshunter.io/developer/830543951

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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 2026-08-29.*