InnerFast - Fasting Companion

S Boersma · Health & Fitness

4.3 3 ratings Free

Chart standing · US

Not currently charting in this storefront.

What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Aug 26, 2026
Rating ★ 5 → 4.33

Price & rating history · US

Reconstructed from the listing changes AppTracker has observed in this storefront, so each line starts at the first change on record.

Average rating history over the observed period. 4.5 4.75 5 Aug 26 18:34 Aug 27 07:09 Aug 27 19:45 Aug 28 08:20 Aug 28 20:55

Average rating

Ratings breakdown · US

The star breakdown behind this app's rating in this storefront.

5★ 67% 2
4★ 0% 0
3★ 33% 1
2★ 0% 0
1★ 0% 0

Screenshots

About

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.

What's new · 1.2.3

Bug fixes

Details

DeveloperS Boersma
ReleasedJan 2026
UpdatedJan 2026
Version1.2.3
Size4.7 MB
RequiresiOS 17.0 or later
Age rating4+
LanguagesEnglish
PriceFree
Categories Health & FitnessLifestyle
Bundle IDnl.sboersma.FastBuddy