Comparison

Fast vs OnlyRun

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

Head to head
About

Fast

This app helps you track intermittent fasting routines, monitor progress, and analyze health data. It offers educational content, motivational challenges, and a journal to record your feelings. Connect with friends for support and motivation on your wellness journey.

Highlights
  • Fasting timer and tracker
  • Progress analytics and history
  • Educational 'Know It' section
  • Motivational challenges and trophies
  • Mood tracker and journal
  • Health app integration (steps)
  • Fasting buddy feature
Features
Read full description

Fast: Fasting Tracker & Timer helps you build consistent fasting habits with flexible fasting plans, body weight logging, water intake tracking, reminders, and detailed progress insights. Whether you're new to intermittent fasting or already following a routine, the app provides the tools to stay organized and work toward your personal health and wellness goals. Choose a fasting plan, customize your schedule, and track every fast in one place with an easy-to-use fasting tracker. FASTING PLANS Find a fasting schedule that works for your lifestyle. Choose from 12:12, 13:11, 14:10, 15:9, 16:8, 17:7, 18:6, 19:5, 20:4, 21:3, 22:2, 23:1, MWF, TTS, or create your own custom fasting plan. Whether you're starting intermittent fasting or maintaining an existing routine, you can choose a plan that suits your goals. FASTING TRACKER & TIMER Track active and completed fasts with an intuitive fasting tracker and timer. Review your fasting history and monitor your consistency over time. BODY WEIGHT & WATER TRACKING Log your body weight and monitor changes throughout your fasting routine. Track your daily water intake to stay hydrated and build healthier habits alongside your fasting schedule. SMART REMINDERS Stay on schedule with fasting reminders and water intake reminders. Customize notifications to help you start and end your fasting window on time while maintaining your daily hydration routine. ANALYTICS & HISTORY Review your fasting sessions, body weight, hydration logs, activity, and history with easy-to-understand analytics that help you monitor your progress and stay consistent. INFORMATIVE BLOGS Learn more about intermittent fasting through informative blogs covering healthy habits, wellness topics, and practical guidance to help you better understand your fasting routine. FASTING BUDDIES Stay motivated by fasting together. Invite friends, track each other's progress, and encourage one another throughout your fasting journey with the Buddy feature. ACTIVITY SUPPORT Sync your activity data to keep your fasting progress and daily activity organized in one place for a more complete overview of your routine. Whether you're following a 16:8 fasting schedule, exploring different intermittent fasting plans, or creating a custom fasting routine, Fast: Fasting Tracker & Timer gives you the tools to stay organized and build lasting healthy habits. DISCLAIMER This app is intended for informational and lifestyle purposes only and does not provide medical advice, diagnosis, or treatment. Consult a qualified healthcare professional before starting any fasting routine, especially if you have an existing medical condition, are pregnant, or have specific dietary requirements. PRIVACY POLICY https://maximaapps.com/fasting/privacy_policy.html TERMS OF USE https://maximaapps.com/fasting/terms-of-use.html GET IN TOUCH Have questions, feedback, or suggestions? We'd love to hear from you. Contact us through the app or email us at feedback@maximaapps.com.

About

OnlyRun

Features
Read full description

OnlyRun helps you show up for the runs you intend to do—with a private GPS log, scheduled Sessions, and live encouragement when you want it. Start a run in seconds and keep a clean private history. Join free creator and community Sessions with their own schedule, progress, reminders, and live Run Rooms. When sharing helps, publish a live GPS link so friends can follow and signed-in supporters can cheer while you stay in control. OnlyRun is built for runners who want accountability and real-time support without a noisy fitness feed or a data-selling business model. - Fast GPS run recording - Distance, pace, time, and route history - Personal Log and calendar progress - Free scheduled Sessions with clear goals and dates - Live Run Rooms with a roster, cheers, and moderated messages - Private Session progress and completion recognition - Public race and run-club discovery - Safe live GPS links for selected runs - Signed-in cheers and encouragement messages - Optional read-aloud support while you run - Race check-in and event-ready broadcasts - Privacy controls, reporting, blocking, and account deletion Use OnlyRun for daily runs, consistency challenges, creator-led Sessions, group runs, race prep, public race days, and any run where a little encouragement helps you get out the door and keep going. OnlyRun Plus unlocks optional premium features for runners who want more from live sharing, race broadcasts, saved-run tools, exports, and verified race badges. Core run recording, logs, public discovery, and eligible text support remain available without Plus. Terms: https://onlyrun.app/terms Privacy: https://onlyrun.app/privacy

Screenshots

Fast4 screens
OnlyRun4 screens

Verdict

The call

The clearest difference is update cadence: OnlyRun at every 2 weeks against Fast's every 2 months. OnlyRun also leads on iOS requirement (14.0 vs 18.6). 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. Fast sells 8 in-app purchases, starting at $4.99 per month and OnlyRun sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Fast ships an update every 2 months, OnlyRun every 2 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
Fast versus OnlyRun: the parameters behind the verdict, then further details
ParameterFastOnlyRun
PriceFreeFree
Rating4.7 (3.3K ratings) — better—
Positive reviews74.6% of reviews—
Number of ratings3.3K — better—
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS18.614.0 — better
Further details — not scored
Size116 MB58 MB
Age rating12+4+
DeveloperMaxima AppsBoonwerks

Bugs and requests

Fast

Reported bugs

3 issues
  • Timer not accurately recording fasting times
  • Inability to update weight in app
  • Crashing when trying to view friend's status

Requested features

4 requests
  • Option to edit fasting start/end times
  • More detailed analytics and progress tracking
  • Improved syncing and data saving reliability
  • Expanded customization options

OnlyRun

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Fast

Subscriptions6
  • Fast Premium Monthly$4.991 Month
  • Fasting Monthly$14.991 Month
  • Fasting Annually$19.991 Year
Show 3 more
  • Fasting Premium$27.993 Months
  • Fast Premium Yearly$29.991 Year
  • Fasting Premium Yearly$39.991 Year
One-time2
  • Fasting One Time Special Offer$19.99
  • Fasting Pro$49.99
2 purchases

OnlyRun

Subscriptions2
  • OnlyRun Plus Monthly$5.991 Month
  • OnlyRun Plus Yearly$49.991 Year

Questions

Is Fast free?
Fast is free to download, with in-app purchases available.
Is OnlyRun free?
OnlyRun is free to download, with in-app purchases available.
Do Fast or OnlyRun have ads?
Neither Fast nor OnlyRun shows ads.
Which is updated more often, Fast or OnlyRun?
Fast ships an update every 2 months, and OnlyRun every 2 weeks. Most recently, Fast was updated on November 3, 2026 and OnlyRun on October 31, 2026.

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