Fasting Clock vs Intermittent Fasting Flow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fasting Clock
Read full descriptionHide full description
Simple Fasting Clock is a clean, easy intermittent fasting timer that helps you stay consistent—without complicated setup. Start your fast, watch the progress ring, and see exactly how much time is left. During your fast, you’ll also get simple fasting phase insights (Fed → Fat Burning → Deep Ketosis) to stay motivated. FEATURES • One-tap fasting timer with auto-complete • Presets: 16:8, 18:6, 20:4 (Warrior), 23:1 (OMAD) • Custom fasting duration from 1 to 72 hours • Live progress ring with time left and percentage • Fasting phase guide with clear explanations • History log for every fast (completed or ended early) • Stats: completed fasts, total hours fasted, average duration, and day streak • Achievements to celebrate milestones • Daily quote + daily tip for motivation • Designed for iPhone and iPad • No account required DISCLAIMER This app is for informational purposes only and is not medical advice. If you have a medical condition, are pregnant, or are under 18, consult a healthcare professional before fasting. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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.
- 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
Read full descriptionHide 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.
Screenshots
Verdict
The clearest difference is ads: Intermittent Fasting Flow at none against Fasting Clock's shown. Intermittent Fasting Flow also leads on update cadence (every 4 days vs every 5 months). Fasting Clock's advantage is iOS requirement (13.0 vs 17.6). On price, 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
Both are free to download. Fasting Clock sells 3 in-app purchases, starting at $0.99 per 7 days and Intermittent Fasting Flow sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
Fasting Clock ships an update every 5 months, Intermittent Fasting Flow every 4 days. The most recent releases landed on September 14, 2026 and September 22, 2026 respectively.
| Parameter | Fasting Clock | Intermittent Fasting Flow |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (7 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 7 — better |
| Update frequency | Every 5 months | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 23 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Afriwan Ahda | IVAYLO PLAMENOV VACHKOV |
In-app purchases
Fasting Clock
- Weekly Premium Access$0.997 Days
- Monthly Premium Access$2.991 Month
- Yearly Premium Access$17.991 Year
Intermittent Fasting Flow
- Monthly7 Days trial$1.991 Month
- Yearly7 Days trial$19.991 Year
Questions
Is Fasting Clock free?
Is Intermittent Fasting Flow free?
Do Fasting Clock or Intermittent Fasting Flow have ads?
Which is updated more often, Fasting Clock or Intermittent Fasting Flow?
Other comparisons















