Comparison

Intermittent vs TimeFast

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

Head to head
About

Intermittent

Easily track your intermittent fasting with a visual timeline and preset or custom plans. Integrate with Apple Health for a holistic view of your wellness. Stay updated with widgets and Apple Watch support.

Highlights
  • Fasting timer
  • Visual stage timeline
  • Preset and custom plans
  • Apple Health integration
  • Apple Watch app
  • Widgets and Live Activities
Features
Read full description

100% FREE — NO SUBSCRIPTION, NO PAYWALL, NO IN-APP PURCHASES. BetterFasting is a simple, powerful intermittent fasting timer and tracker for your daily routine. Pick a plan, start your fast, and watch your progress build day after day. Every feature is unlocked from the very first tap. The app is supported by ads, so the tools stay open and free for everyone. POPULAR FASTING PLANS, OR YOUR OWN Fast with 16:8, 18:6, 20:4, OMAD, 5:2, or build a custom fasting window that fits your life. Start, stop, and edit fasts whenever you need to, so the timer always matches your real day. KNOW EXACTLY WHERE YOU ARE Follow live fasting stages as your body moves through your fast, with a clear timer ring and progress at a glance. Set smart reminders so you never miss the start or end of a window. TRACK WHAT MATTERS Log water and mood through the day, record your weight over time, and build streaks and badges that keep you motivated. Review your full fasting history with simple charts that show your trends week over week. ALWAYS WITHIN REACH Add home screen and lock screen widgets, keep your timer front and center with Live Activities and the Dynamic Island, and check your fast right from your wrist with the Apple Watch app. Apple Health sync keeps your data connected, and iCloud sync keeps everything safe across your devices. FAST TOGETHER Add friends, join groups, take on challenges, and cheer each other on in the activity feed. Staying accountable is easier when you are not doing it alone. SPEAKS YOUR LANGUAGE Available in 45 languages, including full right-to-left support. WHY BETTERFASTING? - 100% free: no subscription, no paywall, no in-app purchases. - Every plan and tool unlocked from day one. - Clean, fast, and easy to use every single day. - Ad-supported so the core experience stays open to all. Many fasting apps hide basic tools behind a subscription. BetterFasting is different. Start free, track your routine, stay accountable with friends, and keep the habit going. Fasting is a personal wellness routine, not medical advice. If you have a medical condition, are pregnant, or are unsure whether fasting is right for you, talk to a qualified health professional before you begin. Download BetterFasting and start your first fast today.

About

TimeFast

Features
Read full description

TimeFast is the intermittent fasting timer that respects your privacy. Start your fast with one tap, watch a beautiful progress ring track every minute, and see exactly which fasting phase you're in. No account needed, no subscription, no data ever leaves your device. Whether you follow 16:8, OMAD, or your own schedule — TimeFast adapts to you, not the other way around. FASTING PROTOCOLS FOR EVERY GOAL - 6 proven protocols: 12:12, 14:10, 16:8, 18:6, 20:4, and OMAD (23:1) - Create custom fasting plans with any duration from 1 to 72 hours - Difficulty indicators from beginner to expert to help you progress REAL-TIME FASTING TRACKER - Animated progress ring showing elapsed and remaining time - Live countdown timer with hours, minutes, and optional seconds - Fasting phase timeline shows your body's stages: fat burning (12h), ketosis (16h), autophagy (24h) - Percentage-based progress at a glance - Forgot to start? Adjust your start time retroactively FASTING JOURNAL & SESSION DETAILS - Detailed breakdown for every completed fast - See which metabolic phases you reached - Add personal notes and reflections to any session - Track your achieved percentage and duration STREAKS, HISTORY & STATISTICS - Daily streak counter to build your fasting habit - Full session history with interactive calendar view - Success rate, average fasting duration, and total hours tracked - Visual streak badge to keep your motivation high HOME SCREEN & LOCK SCREEN WIDGETS - Small and medium Home Screen widgets for at-a-glance status - Circular and rectangular Lock Screen widgets for quick checks - Live progress updates while fasting - Streak display when you're in your eating window SMART REMINDERS - Get notified when your fast is complete — even while the app is open - Set a daily reminder to start your fast at the time that works for you DESIGNED WITH LIQUID GLASS - Built natively for iOS 26 with Apple's Liquid Glass design - Refined dark-mode interface with translucent glass surfaces - No account required — works immediately out of the box - One-time purchase — no subscription, yours forever PRIVACY BY DESIGN TimeFast stores all data exclusively on your device. No data is collected, transmitted, or shared with anyone. Zero analytics, zero third-party SDKs, zero server connections. Your fasting data belongs to you alone. Available in English and German. All interface elements adapt to your system language.

Screenshots

Intermittent4 screens
TimeFast4 screens

Verdict

The call

The clearest difference is price: Intermittent at Free against TimeFast's $6.99. Intermittent also leads on device support (3 vs 1) and iOS requirement (17.6 vs 26.2). TimeFast's advantage is in-app purchases (none vs 4) and update cadence (daily vs every 4 days). On ads 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

Intermittent is free to download; TimeFast costs $6.99 up front. Intermittent sells 4 in-app purchases, starting at $4.99 per month. TimeFast asks for nothing beyond the download.

UpkeepUpdate frequency

Intermittent ships an update every 4 days, TimeFast daily. The most recent releases landed on August 20, 2026 and September 11, 2026 respectively.

Scorecard5 real differences · 5 level
Intermittent versus TimeFast: the parameters behind the verdict, then further details
ParameterIntermittentTimeFast
PriceFree — better$6.99
Rating5.0 (9 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings9 — better—
Update frequencyEvery 4 daysDaily — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS17.6 — better26.2
Further details — not scored
Size33 MB1 MB
Age rating12+17+
DeveloperBARBAROS SELIM BUYUKELCIKilowatt Media

In-app purchases

4 purchases

Intermittent

Subscriptions4
  • Monthly Premium3 Days trial$4.991 Month
  • 3 Months Premium3 Days trial$9.993 Months
  • 6 Months Premium3 Days trial$24.996 Months
Show 1 more
  • Yearly Premium3 Days trial$34.991 Year
None

TimeFast

No in-app purchases

Questions

Is Intermittent free?
Intermittent is free to download, with in-app purchases available.
Is TimeFast free?
TimeFast costs $6.99, with no in-app purchases.
Do Intermittent or TimeFast have ads?
Neither Intermittent nor TimeFast shows ads.
Which is updated more often, Intermittent or TimeFast?
Intermittent ships an update every 4 days, and TimeFast daily. Most recently, Intermittent was updated on August 20, 2026 and TimeFast on September 11, 2026.

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