Comparison

SimpleFast vs ByteFast

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SimpleFast

Features
Read full description

SimpleFast: Fasting Tracker A clean and simple way to track your fasting windows, eating windows, and daily habits - all in one place. SimpleFast is designed to help you stay consistent without distractions. Whether you’re just starting or following a structured plan like 16:8, it keeps everything clear, calm, and easy to use. - 100% Free. No ads. No distractions. SimpleFast is completely free to use, with no ads and no subscriptions. Focus on your fasting routine without interruptions. - Track your fast, effortlessly Start a fasting session with one tap and let SimpleFast handle the rest - even when the app is closed. Choose from popular fasting styles: * 16:8 Intermittent Fasting * Overnight Fasting * Alternate Day Fasting * Custom durations - Flexible eating windows After your fast, start an eating window and adjust it to match your real schedule. * Set custom start time * Adjust window length * Track fasting and eating cycles - See your progress * Daily streak tracking * Total fasting time * Longest fast * Weekly overview - Reflect and stay consistent * Mood tracking * Hunger level * Notes after each fast - Helpful reminders * Fast complete alerts * Eating window reminders * Window ending alerts - Private by design Your data stays on your device. No account required. No tracking. - Disclaimer SimpleFast is a fasting tracker for personal use. It does not provide medical advice.

About

ByteFast

Features
Read full description

ByteFast is a premium, minimal fasting companion designed to help you reach your metabolic health goals with precision and style. Whether you're a beginner or an experienced faster, ByteFast provides the tools you need to stay consistent and informed. Key Features: Proactive Fasting Coach: Real-time insights into your body's metabolic phases—from feeding and transition to fat burning and autophagy. Live Activities & Dynamic Island: Track your progress directly from your Lock Screen or Dynamic Island without ever opening the app. Interactive Home Screen Widgets: Stay motivated with beautiful ring views and a 14-day activity heatmap that visualizes your consistency. Seamless iCloud Sync: Your fasting data is securely backed up and synced across all your devices automatically. Flexible Scheduling: Choose from proven presets like 16:8 and OMAD, or create custom fasting windows that fit your lifestyle. Premium Haptics: Feel your progress with carefully tuned haptic feedback for milestones and goal completion. Take control of your health with ByteFast—the fast, smart, and beautiful way to track your intermittent fasting journey.

Screenshots

SimpleFast4 screens
ByteFast4 screens

Verdict

The call

The clearest difference is iOS requirement: ByteFast at 18.0 against SimpleFast's 26.2. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 5 level
SimpleFast versus ByteFast: the parameters behind the verdict, then further details
ParameterSimpleFastByteFast
PriceFreeFree
Update frequency—Every 2 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, Apple Watch — better
Requires iOS26.218.0 — better
Further details — not scored
Size6 MB11 MB
Age rating4+4+
DeveloperKhitdhikhun KlinsangByteSeed

In-app purchases

None

SimpleFast

No in-app purchases

None

ByteFast

No in-app purchases

Questions

Is SimpleFast free?
SimpleFast is free to download, with no in-app purchases.
Is ByteFast free?
ByteFast is free to download, with no in-app purchases.
Do SimpleFast or ByteFast have ads?
Neither SimpleFast nor ByteFast shows ads.

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