Comparison

FastFlow vs Fastable

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

Head to head
About

FastFlow

Features
Read full description

FastFlow helps you build a consistent intermittent fasting routine with a clean timer, simple plans, and quick daily check-ins. Whether you’re doing 16:8, 14:10, 18:6, 20:4, or a custom schedule, FastFlow keeps your day clear: start a fast in one tap, see exactly when your eating window begins, and track how you feel so you can learn what works. What you can do with FastFlow - Fasting timer (one tap) - Start, end, or break a fast anytime - Countdown + progress at a glance -Clear labels for fasting vs eating time Plans & schedule - Choose a plan: 14:10, 16:8, 18:6, 20:4, or Custom - Set your eating start time and we calculate the rest - Adjust anytimeβ€”your routine should fit your life Gentle reminders - Notifications for Start fast, End fast, and Hydration - Reminders are optional and can be changed anytime in Settings Daily logs (fast check-in) - Track mood, energy, hunger - Optional weight and notes Insights & trends - Weekly/monthly performance and completion - Wellbeing averages from your logged days Subscription Details: If you choose to purchase FastFlow Premium, payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions auto-renew unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. Privacy Policy: https://sites.google.com/view/fastflow-app/privacy Terms of Service: https://sites.google.com/view/fastflow-app/terms-of-use

About

Fastable

Features
Read full description

UNLOCK THE POWER OF INTERMITTENT FASTING WITH AI Fastable is not just another timer; it’s your personal AI-powered health companion. Whether you want to lose weight, boost energy, or get fit, Fastable guides you through every stage of intermittent fasting with science-backed insights and a beautiful, easy-to-use design. No strict diets. No yo-yo effect. Just proven results. KEY FEATURES: SMART FASTING TIMER β€’ Track your fasts with a single tap. β€’ Supports all popular protocols: 16:8 (Beginner), 18:6, 20:4 (Warrior), and OMAD (One Meal A Day). β€’ Live Activity & Dynamic Island support: See your timer without unlocking your phone. β€’ Beautiful widgets for your Home & Lock Screen. AI COACH "FASTY" β€’ Have questions about hunger, keto, or what to eat? Ask Fasty! β€’ Powered by advanced AI (Gemini), Fasty acts as your 24/7 personal nutritionist and motivation coach. β€’ Get personalized tips tailored to your body metrics. BODY STATUS INSIGHTS β€’ Visualize what’s happening inside your body in real-time. β€’ Track key stages: Blood Sugar Rise, Drop, Ketosis, and Autophagy. β€’ Understand the science behind burning fat. HYDRATION TRACKER β€’ Log your water intake to stay hydrated and speed up metabolism. β€’ Smart reminders ensure you never forget to drink water. WEIGHT & STATS β€’ Sync automatically with Apple Health (HealthKit). β€’ Visualize your weight loss journey with beautiful charts. β€’ Analyze your fasting history and streaks. WHY FASTABLE? Beginner Friendly: Perfect for those new to fasting. Privacy First: Your health data stays private. We don't sell your data. Ad-Free Option: Enjoy a focused, distraction-free experience with Fastable Pro. HEALTH DISCLAIMER: Fastable is intended for wellness purposes only and is not a medical application. Please consult with a healthcare professional before starting any fasting protocol, especially if you have a medical condition. Join thousands of users transforming their lives. Download Fastable now and start your journey to a healthier you! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sites.google.com/view/fastable-privacy-policy

Screenshots

FastFlow4 screens
Fastable4 screens

Verdict

The call

The clearest difference is ads: FastFlow at none against Fastable's shown. FastFlow also leads on update cadence (every 2 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. FastFlow sells 2 in-app purchases, starting at $2.99 per month and Fastable sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

FastFlow ships an update every 2 days, Fastable every 2 weeks. Both last shipped on November 9, 2026.

Scorecard2 real differences Β· 4 level
FastFlow versus Fastable: the parameters behind the verdict, then further details
ParameterFastFlowFastable
PriceFreeFree
Update frequencyEvery 2 days β€” betterEvery 2 weeks
AdsNo β€” betterYes
In-app purchasesYesYes
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS15.114.0 β€” better
Further details β€” not scored
Size35 MB55 MB
Age rating4+4+
DeveloperUprise iX LLCIslambek Abdykarim Uulu

In-app purchases

2 purchases

FastFlow

Subscriptions2
  • Monthly Subscription$2.991 Month
  • Weekly Subscription$8.997 Days
3 purchases

Fastable

Subscriptions2
  • Fastable Pro (1 Month)$2.991 Month
  • Fastable Pro (1 Year)$11.991 Year
One-time1
  • Fastable Pro (Lifetime)$29.99

Questions

Is FastFlow free?
FastFlow is free to download, with in-app purchases available.
Is Fastable free?
Fastable is free to download, with in-app purchases available.
Do FastFlow or Fastable have ads?
Fastable shows ads; FastFlow does not.
Which is updated more often, FastFlow or Fastable?
FastFlow ships an update every 2 days, and Fastable every 2 weeks. Most recently, FastFlow was updated on November 9, 2026 and Fastable on November 9, 2026.

Other comparisons