Comparison

Fasting Tracker vs Life Sage

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

Head to head
About

Fasting Tracker

This app helps you track intermittent fasting with a live timer and preset plans like 16:8. It shows your progress, weight trends, and offers notifications to keep you on track. Unlock advanced insights and features with a premium subscription.

Highlights
  • Live intermittent fasting timer
  • Preset and custom fasting plans
  • Fasting zone explanations
  • Progress tracking and stats
  • Weight logging and goal setting
  • Achievements and streaks
  • Apple Watch integration
Features
Read full description

FastRight is a clear, focused intermittent fasting tracker. Start a fast in seconds, watch the live timer move through each fasting zone, and see your weight trend toward your goal. Whether you follow 16:8, 18:6, 20:4 or one meal a day, FastRight keeps your fasting routine simple and your progress easy to see. FAST YOUR WAY Pick a plan that fits your day: Circadian Rhythm (13h), 16:8, 18:6, 20:4 or OMAD (23:1). With Premium, set any custom duration, from a few hours to multi-day fasts. KNOW WHAT YOUR BODY IS DOING The timer shows which fasting zone you are in right now: Anabolic, Catabolic, Fat Burning, Ketosis and Deep Ketosis. Short explanations tell you what each phase means. STAY ON TRACK Get a notification when you are halfway, when one hour is left, when you enter a new zone and when you reach your goal. Build a fasting streak, check in daily and unlock 20 achievements along the way. SEE YOUR PROGRESS Your stats show total fasts, total fasting time, average and longest fast. Browse every fast in your history and on the calendar. TRACK YOUR WEIGHT Log your weight in lb or kg, set a goal weight and follow your current weight, 30-day trend and the estimated time to reach your goal. GO DEEPER WITH PREMIUM Unlock advanced insights: streaks and consistency, your preferred plan, success rate, best start time, weekday vs. weekend patterns and month-to-month comparisons. Add the weight chart, edit any past log, and back up or move your data with export and import. ON YOUR WRIST Follow your active fast on Apple Watch: elapsed time, target, progress and current zone, and end your fast right from your wrist. Light and dark mode are both supported. Start your next fast today and let FastRight keep the count. FREE FEATURES • Fasting timer with a live progress ring • Preset plans: Circadian, 16:8, 18:6, 20:4 and OMAD • Fasting zones with simple explanations • Halfway, one-hour-left, zone and goal notifications • Fasting stats: total, average and longest fast • Fasting history and calendar • Weight log with goal, trend and time-to-goal estimate • Fasting streaks, daily check-in and 20 achievements • Apple Watch app to follow and end your fast PREMIUM FEATURES • Custom fasting durations, including multi-day fasts • Personalized insights: streaks, consistency and patterns • Monthly progress and month-to-month comparisons • Weight chart to see your progress over time • Edit any previous fasting or weight log • Export and import your data • No ads Privacy Policy: https://www.metko.org/fastright/privacy.html Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Life Sage

This advanced health platform consolidates your health data from various sources, offering intelligent insights and medication safety alerts. It provides a comprehensive 360° view of your well-being, empowering informed decisions and seamless sharing with healthcare providers.

Highlights
  • Integrates data from Apple Health, Google Fit, Fitbit, Garmin
  • AI-driven health data analysis
  • Medication interaction detection
  • Personalized health risk monitoring
  • 360° health view
  • Shareable health reports
Features
Read full description

LifeSage is an advanced health management platform that helps you take full control of your health data while providing intelligent insights and medication safety support. Unlike traditional apps that only store information, LifeSage combines data from Apple Health, Google Fit, Fitbit, Garmin, and other sources into one secure place, allowing you to maintain a complete, lifelong health record that you can access, export, and share anytime. With powerful AI-driven analysis, LifeSage transforms your health data into meaningful insights by identifying trends in vitals, labs, medications, and daily habits, helping you better understand your body and make informed decisions. The app also enhances safety by detecting potential medication interactions, monitoring risks based on your personal health profile, and providing clear, easy-to-understand alerts. By bringing together heart rate, activity, sleep, lab results, medical history, and lifestyle data into a unified 360° view, LifeSage gives you a complete picture of your health. You can easily generate reports and share your health information with doctors, ensuring better communication and care. Built with strong privacy and security standards, LifeSage uses encryption and never sells or shares your data, giving you full ownership and control. Whether you are managing medications, tracking chronic conditions, or simply aiming to improve your overall well-being, LifeSage empowers you with the tools and insights needed to stay informed, proactive, and in control of your health.

Screenshots

Fasting Tracker4 screens
Life Sage4 screens

Verdict

The call

The clearest difference is in-app purchases: Life Sage at none against Fasting Tracker's 4. Life Sage also leads on ads (none vs shown) and rating (5.0 vs 4.7). Fasting Tracker's advantage is update cadence (every 3 days vs every 5 weeks) and ratings volume (428 vs 1). On price 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. Fasting Tracker sells 4 in-app purchases, starting at $6.99 per 7 days. Life Sage asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Life Sage holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Fasting Tracker has 428 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Fasting Tracker ships an update every 3 days, Life Sage every 5 weeks. The most recent releases landed on October 30, 2026 and October 10, 2026 respectively.

Scorecard7 real differences · 3 level
Fasting Tracker versus Life Sage: the parameters behind the verdict, then further details
ParameterFasting TrackerLife Sage
PriceFreeFree
Rating4.7 (428 ratings)5.0 (1 ratings) — better
Positive reviews60.9% of reviews—
Number of ratings428 — better1
Update frequencyEvery 3 days — betterEvery 5 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS17.013.0 — better
Further details — not scored
Size48 MB39 MB
Age rating4+17+
DeveloperMETKO LABS BILISIM ITHALAT VE IHRACAT TICARET LIMITED SIRKETILifeSage, Inc

In-app purchases

4 purchases

Fasting Tracker

Subscriptions4
  • Intermittent Fasting Tracker$6.997 Days
  • Intermittent Fasting Tracker$14.991 Month
  • Intermittent Fasting Tracker$29.991 Year
Show 1 more
  • Intermittent Fasting Tracker$39.991 Year
None

Life Sage

No in-app purchases

Questions

Is Fasting Tracker free?
Fasting Tracker is free to download, with in-app purchases available.
Is Life Sage free?
Life Sage is free to download, with no in-app purchases.
Which has better reviews, Fasting Tracker or Life Sage?
Life Sage is rated higher. Fasting Tracker averages 4.7 out of 5 from 428 ratings, while Life Sage averages 5.0 from 1 ratings.
Do Fasting Tracker or Life Sage have ads?
Fasting Tracker shows ads; Life Sage does not.
Which is updated more often, Fasting Tracker or Life Sage?
Fasting Tracker ships an update every 3 days, and Life Sage every 5 weeks. Most recently, Fasting Tracker was updated on October 30, 2026 and Life Sage on October 10, 2026.

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