Comparison

Weight Loss Fasting Timer Lyn vs Intermittent Fasting Flow

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

Head to head
About

Weight Loss Fasting Timer Lyn

This app helps you track your intermittent fasting periods with a clean, minimalist interface. It offers customizable timers, timely notifications, and helpful insights into your fasting habits. Widgets and Siri integration provide convenient access to your progress.

Highlights
  • Customizable fasting timer
  • Progress notifications
  • Home and lock screen widgets
  • Fasting pause functionality
  • Vital metrics tracking
  • Siri and Shortcuts integration
Features
Read full description

Lyn is a minimalist intermittent fasting tracker with a clean design and the essential features you need. It fits seamlessly into your routine, makes tracking fasts simple, and proactively provides useful insights. Fasting timer. See clearly how much time remains until you reach your fasting goal or your eating window ends. You can adjust your fasting goal at any time, even during an active fast, if your plans change. Notifications. Lyn notifies you when you reach your goal and when your eating window ends, so you don’t have to keep checking the time. Home Screen and Lock Screen widgets. Keep your progress in view with widgets that show the information that matters most. Fasting pause. Sometimes you need more flexibility in your fasting schedule, such as during holidays or travel. Lyn lets you pause your fasting routine and reminds you to resume it later. Vital metrics. Keep your goal streak for extra motivation and review historical data, including your average eating window length and longest fast. Shortcuts and Siri. Lyn is built exclusively for Apple devices, with deep system integrations. Alongside widgets, you can use Shortcuts to create fasting automations or Siri to start and stop a fast. Privacy policy: https://lyn.software/privacy Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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.

Screenshots

Weight Loss Fasting Timer Lyn4 screens
Intermittent Fasting Flow4 screens

Verdict

The call

The clearest difference is update cadence: Intermittent Fasting Flow at every 4 days against Weight Loss Fasting Timer Lyn's every 2 months. Intermittent Fasting Flow also leads on iOS requirement (17.6 vs 26.0). On price, rating, review sentiment and ratings volume 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. Weight Loss Fasting Timer Lyn sells 2 in-app purchases, starting at $5.99 per year 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.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Weight Loss Fasting Timer Lyn against 5.0 for Intermittent Fasting Flow. Both are backed by a comparable volume of ratings — 3 and 7 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Weight Loss Fasting Timer Lyn ships an update every 2 months, Intermittent Fasting Flow every 4 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
Weight Loss Fasting Timer Lyn versus Intermittent Fasting Flow: the parameters behind the verdict, then further details
ParameterWeight Loss Fasting Timer LynIntermittent Fasting Flow
PriceFreeFree
Rating5.0 (3 ratings)5.0 (7 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings37 — better
Update frequencyEvery 2 monthsEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhoneiPhone, iPad — better
Requires iOS26.017.6 — better
Further details — not scored
Size16 MB6 MB
Age rating12+4+
DeveloperMykola HarmashIVAYLO PLAMENOV VACHKOV

Customer experience

Weight Loss Fasting Timer Lyn

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Intermittent Fasting Flow

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Weight Loss Fasting Timer Lyn

Subscriptions1
  • Lyn Plus Yearly7 Days trial$5.991 Year
One-time1
  • Lyn Plus Lifetime$14.99
2 purchases

Intermittent Fasting Flow

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

Questions

Is Weight Loss Fasting Timer Lyn free?
Weight Loss Fasting Timer Lyn is free to download, with in-app purchases available.
Is Intermittent Fasting Flow free?
Intermittent Fasting Flow is free to download, with in-app purchases available.
Which has better reviews, Weight Loss Fasting Timer Lyn or Intermittent Fasting Flow?
Weight Loss Fasting Timer Lyn and Intermittent Fasting Flow are both rated 5.0 out of 5 on the App Store, from 3 and 7 ratings respectively.
Do Weight Loss Fasting Timer Lyn or Intermittent Fasting Flow have ads?
Neither Weight Loss Fasting Timer Lyn nor Intermittent Fasting Flow shows ads.
Which is updated more often, Weight Loss Fasting Timer Lyn or Intermittent Fasting Flow?
Weight Loss Fasting Timer Lyn ships an update every 2 months, and Intermittent Fasting Flow every 4 days. Most recently, Weight Loss Fasting Timer Lyn was updated on October 30, 2026 and Intermittent Fasting Flow on October 31, 2026.

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