Comparison

Intermittent Fasting Flow vs Simple Fasting Timer FastClear

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

Head to head
About

Intermittent Fasting Flow

Track your fasting periods with a clean, ad-free timer. Choose from various fasting plans and monitor your progress with live widgets. Sync data with Apple Health and use Siri shortcuts for hands-free control.

Highlights
  • Ad-free fasting timer
  • Lock screen and home screen widgets
  • Multiple fasting plan durations
  • Customizable start times
  • Streak tracking and milestone badges
  • Apple Health integration
  • Siri shortcuts
Features
Read full description

Ad-Free. Always. Intermittent Fasting Flow is a clean, distraction-free fasting tracker built for people serious about their health. Choose your fasting plan, track your hydration, and learn the science behind every fast — all in one beautiful app. FASTING TIMER Choose from 12, 14, 16, 18, or 20-hour plans. Live progress ring, streak tracking, and milestone badges keep you motivated every step of the way. HYDRATION TRACKING Stay hydrated during your fast. Set a daily water goal and log intake with one tap — small cup, glass, bottle, or custom amount. LEARN Curated articles from trusted sources on intermittent fasting science, tips, and protocols. Know what's happening in your body while you fast. WIDGETS & LIVE PROGRESS Lock screen and home screen widgets keep your fasting and hydration status visible all day — without opening the app. APPLE HEALTH & SIRI Sync fasting sessions to Apple Health as mindful minutes. Use Siri shortcuts to start or end a fast hands-free. COMPLETELY AD-FREE No ads. No popups. No distractions. The 16:8 plan is free, forever. Unlock all plans and Pro features with a subscription.

About

Simple Fasting Timer FastClear

Features
Read full description

FastClear is a simple fasting timer that follows your real rhythm: correct the start time, go past your goal, and see your eating window counted down. Everyone forgets to start the timer sometimes. Just say when you last ate: your fast starts from that moment. THE FULL CYCLE • Fast, goal, time past the goal, then the eating window and your next fast • 16:8, 18:6, 20:4, OMAD or a custom goal from 12 to 72 hours • The goal is a milestone: your fast keeps going until you end it ON YOUR LOCK SCREEN • Live Activity and Dynamic Island, free • Interactive widgets: start and end without opening the app • Control Center control, Siri, Shortcuts and the Action button A HISTORY THAT FITS YOUR LIFE • Edit a fast, or add the one you forgot to time • Weekly list and monthly calendar • Streaks, fasts completed this month, average duration AT THE END OF EVERY FAST • A timeline of your fast, to share as an image if you like HONEST • Milestones (fat burning, ketosis, autophagy) are shown as estimates, with their sources • No weight-loss promises FREE, FOR REAL Every protocol, the Live Activity, 30 days of history and the export of your data are free, with no time limit. Premium adds your full history, in-depth statistics and the widgets: as a monthly or yearly subscription (7-day free trial on the yearly plan, Family Sharing included), or as a one-time lifetime purchase. PRIVACY No tracking. No ads. No account. Your data stays on your device. App Store privacy label: Data Not Collected. FastClear is not medical advice. Ask a health professional before fasting if you are pregnant, diabetic, have a history of eating disorders or take medication. — Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://suiteforge.app/fastclear/privacy/

Screenshots

Intermittent Fasting Flow4 screens
Simple Fasting Timer FastClear4 screens

Verdict

The call

The clearest difference is update cadence: Intermittent Fasting Flow at every 4 days against Simple Fasting Timer FastClear's every 3 months. 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. Intermittent Fasting Flow sells 2 in-app purchases, starting at $1.99 per month and Simple Fasting Timer FastClear sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Intermittent Fasting Flow ships an update every 4 days, Simple Fasting Timer FastClear every 3 months. The most recent releases landed on October 31, 2026 and November 13, 2026 respectively.

Scorecard1 real difference · 9 level
Intermittent Fasting Flow versus Simple Fasting Timer FastClear: the parameters behind the verdict, then further details
ParameterIntermittent Fasting FlowSimple Fasting Timer FastClear
PriceFreeFree
Rating5.0 (7 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 4 days — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.617.6
Further details — not scored
Size6 MB2 MB
Age rating4+4+
DeveloperIVAYLO PLAMENOV VACHKOVNicolas Dojcilovic

In-app purchases

2 purchases

Intermittent Fasting Flow

Subscriptions2
  • Monthly7 Days trial$1.991 Month
  • Yearly7 Days trial$19.991 Year
3 purchases

Simple Fasting Timer FastClear

Subscriptions2
  • FastClear Pro Monthly$0.991 Month
  • FastClear Pro Yearly7 Days trial$5.991 Year
One-time1
  • Lifetime Premium$9.99

Questions

Is Intermittent Fasting Flow free?
Intermittent Fasting Flow is free to download, with in-app purchases available.
Is Simple Fasting Timer FastClear free?
Simple Fasting Timer FastClear is free to download, with in-app purchases available.
Do Intermittent Fasting Flow or Simple Fasting Timer FastClear have ads?
Neither Intermittent Fasting Flow nor Simple Fasting Timer FastClear shows ads.
Which is updated more often, Intermittent Fasting Flow or Simple Fasting Timer FastClear?
Intermittent Fasting Flow ships an update every 4 days, and Simple Fasting Timer FastClear every 3 months. Most recently, Intermittent Fasting Flow was updated on October 31, 2026 and Simple Fasting Timer FastClear on November 13, 2026.

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