Comparison

Ninja Intermittent Fasting vs 9toFast

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

Head to head
About

Ninja Intermittent Fasting

This app helps users track intermittent fasting for weight loss and improved health. It offers various fasting plans, a timer, and guidance for beginners and advanced users. It supports integration with other nutrition plans and aims to promote fat burning and detoxification.

Highlights
  • Fasting timer and tracker
  • Variety of fasting plans
  • Suitable for all levels
  • Supports keto, low-carb diets
  • Promotes fat burning
  • Detoxification benefits
Features
Read full description

Ninja Intermittent Fasting: Your Ultimate Fasting Tracker for Weight Loss Embark on a transformative weight loss journey with Ninja Intermittent Fasting, the top-rated fasting tracker app designed to help you achieve your health goals. Whether you follow a keto, calorie counting, or low-carb approach, our powerful intermittent fasting app is here to support you every step of the way! Fasting Timer and Tracker: Stay on track with your fasting schedule using our intuitive fasting timer and tracker. Choose Your Ideal Fasting Plan: Select from a variety of fasting plans that suit your lifestyle and preferences. Perfect for Beginners and Advanced Users: Whether you’re new to intermittent fasting or an experienced practitioner, our app caters to users of all levels. No More Yo-Yo Dieting: Say goodbye to fad diets and embrace a sustainable fasting plan for lasting results. 100% Free with Zero Ads: Start your intermittent fasting journey today without any cost or annoying advertisements. The Ninja Intermittent Fasting app harnesses the power of one of the most ancient eating patterns known to mankind, made popular by renowned celebrities like Beyoncé and Hugh Jackman. Discover the numerous benefits of the intermittent fasting diet with our easy-to-follow and effective weight-loss method. Supercharge Your Health with Ninja Intermittent Fasting: Achieve Your Health Goals: Use the power of intermittent fasting to reach your desired body type and overall well-being. Burn Fat and Build Muscle: Experience simultaneous fat loss and muscle gain as you progress on your health journey. Combine with Nutrition Plans: Seamlessly integrate intermittent fasting with other nutrition plans, including Keto, Paleo, and Low Carb diets. Unlock Your Body’s Strength: Tap into your body’s incredible immune system and self-healing mechanisms. Detoxify Your Body: Experience the regenerative effects of fasting, helping your body eliminate toxins and promote cell regeneration. Anti-Aging and Quality of Life: Enhance your longevity and improve your quality of life through the anti-aging benefits of fasting. Alleviate Allergies and Inflammations: Many users have reported a decrease in allergies and inflammations through intermittent fasting. Improve Your Skin: Rejuvenate your skin and achieve a radiant complexion with the transformative power of fasting. Join thousands of satisfied users who have embraced the Ninja Intermittent Fasting lifestyle. Our app offers popular fasting protocols such as the 16-hour fast (16:8) and the circadian rhythm fasting method. Additionally, you’ll find other widely used plans such as 18:6, 20:4, 14:10, and OMAD (one meal a day). Download Ninja Intermittent Fasting, the ultimate fasting tracker app, and kickstart your weight loss journey today! Terms of use : https://intuitive.studio/minimalist/terms/ Terms of Use (EULA) : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

9toFast

Features
Read full description

9toFast is a clean and intuitive intermittent fasting app designed to help you stay consistent without pressure. Whether you’re fasting for better focus, energy, or health, 9toFast makes it easy to track your progress and feel in control. Stay on track effortlessly • Smart fasting timer: Start, pause, or end your fasts anytime and watch your fasting ring fill in real-time. • Custom fasting plans: Choose from popular plans like 16:8 or 18:6, or set your own window. • Progress dashboard: Visualise your streaks and completion rates at a glance. • Personalised themes: Match your app to your mood with sleek light and dark options. • Simple insights: See how your fasting habits evolve over time with easy-to-read stats. Why users love 9toFast • Minimal design that keeps fasting simple • No clutter, ads, or confusing features • Built for balance, not restriction Perfect for beginners and pros Whether you’re new to fasting or have been doing it for years, 9toFast adapts to your lifestyle. Track your fasts, stay consistent, and celebrate small wins daily. Coming soon • Weight tracking • Calorie Counting • Meal Logging • Health app integrations • Fasting challenges • Custom reminders and streak rewards Start your fasting journey today with 9toFast: the fasting tracker that’s simple, motivating, and built for real life.

Screenshots

Ninja Intermittent Fasting4 screens
9toFast4 screens

Verdict

The call

The clearest difference is update cadence: 9toFast at fortnightly against Ninja Intermittent Fasting's every 12 months. Ninja Intermittent Fasting's advantage is iOS requirement (12.0 vs 15.1). 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. Ninja Intermittent Fasting sells 1 in-app purchase, starting at $2.00 per month and 9toFast sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Ninja Intermittent Fasting ships an update every 12 months, 9toFast fortnightly. The most recent releases landed on October 2, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 8 level
Ninja Intermittent Fasting versus 9toFast: the parameters behind the verdict, then further details
ParameterNinja Intermittent Fasting9toFast
PriceFreeFree
Rating4.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 12 monthsFortnightly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size38 MB47 MB
Age rating17+4+
DeveloperDenis VithaniEsther Yekini

In-app purchases

1 purchases

Ninja Intermittent Fasting

Subscriptions1
  • Access Premium Plan$2.001 Month
3 purchases

9toFast

Subscriptions2
  • Premium Monthly$0.991 Month
  • Premium Yearly$9.991 Year
One-time1
  • Premium Lifetime$19.99

Questions

Is Ninja Intermittent Fasting free?
Ninja Intermittent Fasting is free to download, with in-app purchases available.
Is 9toFast free?
9toFast is free to download, with in-app purchases available.
Do Ninja Intermittent Fasting or 9toFast have ads?
Both Ninja Intermittent Fasting and 9toFast show ads.
Which is updated more often, Ninja Intermittent Fasting or 9toFast?
Ninja Intermittent Fasting ships an update every 12 months, and 9toFast fortnightly. Most recently, Ninja Intermittent Fasting was updated on October 2, 2026 and 9toFast on October 28, 2026.

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