Comparison

Fasty vs KetoBM

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

Head to head
About

Fasty

This app offers a straightforward and privacy-focused way to track intermittent fasting. It provides tools for timing fasts, monitoring weight and BMI, and maintaining progress streaks without requiring sign-up or displaying ads.

Highlights
  • One-tap fasting timer
  • Multiple fasting programs
  • Custom fast durations
  • Weight tracking
  • BMI tracking
  • Progress and streak tracking
  • Ad-free experience
Features
Read full description

Fasty – The Simplest Way to Track Your Fast No ads. No sign up. Just fasting. Fasty is the most minimal, privacy-friendly intermittent fasting tracker on the App Store. Whether you’re just getting started or deep into your fasting journey, Fasty helps you stay consistent—without distractions or data collection. No accounts. No emails. No tracking—except your fasts (and your weight, if you want). What You’ll Get: - One-tap fasting timer - Tons of different fasting programs - Custom Fast Durations - Simple weight tracking - Easy BMI Tracking - Streaks & progress tracking - Clean, distraction-free design - Absolutely no ads Whether you’re doing a 16:8 fast, OMAD, or something custom, Fasty makes it easy to stay on track with your health goals—without giving up your privacy. Fasting doesn’t have to be complicated. Download Fasty and keep it simple. Our app uses the accepted BMI formula of BMI = kg/m2 more info can be found here: https://www.heartfoundation.org.au/bmi-calculator Terms Of Use can be found at: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://www.termsfeed.com/live/05dde8a0-027e-412a-91ba-690f48580523

About

KetoBM

This app works with a connected device to precisely track and analyze your blood glucose and ketone levels. It offers seamless integration, real-time measurements, and clear data visualization to help you understand your metabolic health and make informed decisions.

Highlights
  • Seamless device integration via Bluetooth
  • Accurate real-time glucose & ketone readings
  • Detailed trend and history analysis
  • Comprehensive metabolic statistics
  • Easy-to-use logbook for biomarker data
  • Clean and intuitive user interface
Features
Read full description

Medical Disclaimer: The information provided through the KetoBM app is not intended to replace a qualified medical professional. Seek a doctor’s advice before making any medical decisions. Jurisdiction Statement: The medical hardware used by this app has regulatory clearance from the FDA. KetoBM is a smart and reliable companion app designed to work seamlessly with the KetoBM device, helping you track and understand your blood glucose and ketone levels with precision. Whether you are following a ketogenic diet, managing your metabolic health, or simply monitoring your daily biomarkers, KetoBM provides the insights you need to stay informed and in control. With fast device pairing, clean data visualization, and detailed trend analytics, KetoBM transforms your measurements into meaningful information that supports healthier decisions every day. Key Features • Seamless Device Integration Connect your KetoBM meter via Bluetooth and automatically sync your blood glucose and ketone readings. No manual input required. • Accurate Real-Time Measurements View instant test results on your phone as soon as they are recorded by the device. • Glucose & Ketone Tracking Measure two essential metabolic markers to understand your energy state, diet effectiveness, and overall metabolic flexibility. • Trends & History Analyze your progress with intuitive charts and historical logs. Track daily, weekly, and monthly changes to see patterns and long-term improvement. • Comprehensive Statistics Access averages, ranges, and trends to better understand how your routine, meals, fasting periods, and activity influence your metabolic state. • Easy Logbook All measurements are stored securely, providing a clear and organized timeline of your health data. • Clean and Simple Interface Designed for clarity and ease of use, KetoBM makes health monitoring intuitive—even for first-time users. Ideal for: Users following a ketogenic or low-carb diet Individuals monitoring glucose and ketone levels People interested in metabolic health, fasting, or weight management Anyone needing convenient tracking of biomarker data Why KetoBM? KetoBM combines medical-grade device accuracy with an easy-to-use mobile experience. The app turns measurements into actionable insights, helping you make informed lifestyle choices and stay aligned with your health goals. To access and use the application, a KetoBM device is required

Screenshots

Fasty3 screens
KetoBM4 screens

Verdict

The call

The clearest difference is in-app purchases: KetoBM at none against Fasty's 3. KetoBM also leads on update cadence (fortnightly vs every 9 months) and rating (5.0 vs 4.7). Fasty's advantage is ratings volume (1.6K vs 2). On price, ads, device support and iOS requirement 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. Fasty sells 3 in-app purchases, starting at $9.99 per 7 days. KetoBM asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

KetoBM holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Fasty has 1.6K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Fasty ships an update every 9 months, KetoBM fortnightly. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
Fasty versus KetoBM: the parameters behind the verdict, then further details
ParameterFastyKetoBM
PriceFreeFree
Rating4.7 (1.6K ratings)5.0 (2 ratings) — better
Positive reviews7.7% of reviews—
Number of ratings1.6K — better2
Update frequencyEvery 9 monthsFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.515.1 — better
Further details — not scored
Size5 MB69 MB
Age rating4+12+
DeveloperGabe RogersKetoBM

In-app purchases

3 purchases

Fasty

Subscriptions3
  • Weekly$9.997 Days
  • Monthly$24.991 Month
  • Annual7 Days trial$34.991 Year
None

KetoBM

No in-app purchases

Questions

Is Fasty free?
Fasty is free to download, with in-app purchases available.
Is KetoBM free?
KetoBM is free to download, with no in-app purchases.
Which has better reviews, Fasty or KetoBM?
KetoBM is rated higher. Fasty averages 4.7 out of 5 from 1.6K ratings, while KetoBM averages 5.0 from 2 ratings.
Do Fasty or KetoBM have ads?
Neither Fasty nor KetoBM shows ads.
Which is updated more often, Fasty or KetoBM?
Fasty ships an update every 9 months, and KetoBM fortnightly. Most recently, Fasty was updated on November 5, 2026 and KetoBM on October 30, 2026.

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