Comparison

Fasting interval 16 vs Intermittent Fasting Tracker

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

Head to head
About

Fasting interval 16

This app helps you track your intermittent fasting schedule. Simply input your fasting start time, and it will monitor your progress and notify you when your fasting interval concludes. It's designed to support your intermittent fasting journey.

Highlights
  • Intermittent fasting tracking
  • Fasting start time input
  • Fasting interval end notification
  • Supports 16:8 fasting schedule
  • Proven effectiveness support
Features
Read full description

Intermittent fasting is not a new trend. In fact, interval fasting has been well researched and its effectiveness is proven. With this app we would like to support you. Just enter the start time and the app will tell you exactly how long you've been fasting and when your fasting interval ends.

About

Intermittent Fasting Tracker

This app offers a straightforward and private way to track intermittent fasting. It supports iPhone and Apple Watch, providing essential features like widgets, notifications, and progress charts without any advertisements. Ideal for both beginners and experienced fasters, it focuses on a simple user interface to support health and wellness goals.

Highlights
  • Interactive Widgets
  • Notifications
  • Streaks & Badges
  • Charts & Trends
  • Fasting Zones
  • iCloud Sync
  • Dark Mode
Features
Read full description

Track fasting periods with Fasty. No account or sign-up required. Start and stop a fasting timer, set a goal, and review your recorded fasts. Edit entries to correct start and end times and keep a record of your fasting history. Features - Fasting timer: see elapsed time and the time remaining until your chosen goal. - Widgets and Live Activities: check your timer from your Home Screen, Lock Screen, and Dynamic Island on supported devices. - Apple Watch: start and finish fasts, change your goal, and check your current fasting status from your wrist, included for free. - Fasting history: add, edit, and review your recorded fasts. - Charts and trends: explore fasting durations, totals, and averages over time. - Notifications: choose reminders and alerts for your timer and eating window. - Siri and Shortcuts: start and finish fasts and check your current fasting status. - CSV import and export: import existing records or export your data for use outside the app. - Dark Mode: use a light or dark appearance to suit your preference. - Streaks and badges: view summaries and milestones based on your recorded fasts. Additional paid features are available through one-time purchases and auto-renewable subscriptions. Available options, included features, and prices are shown in the app before purchase. Subscriptions renew automatically unless canceled. You can manage or cancel them in your App Store account settings. Health information Fasty is a utility for people who want to track their fasting. It does not recommend fasting or a specific fasting plan and does not provide medical advice. Consult a doctor, registered dietitian, or another qualified healthcare professional about whether and how to fast. Privacy Policy: https://fastyfasting.com/#privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Fasting interval 164 screens
Intermittent Fasting Tracker4 screens

Verdict

The call

The clearest difference is review sentiment: Intermittent Fasting Tracker at 97% against Fasting interval 16's 50%. Fasting interval 16's advantage is in-app purchases (none vs 20) and iOS requirement (11.0 vs 17.0). On price, update cadence, ads 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. Intermittent Fasting Tracker sells 17 in-app purchases, starting at $0.99 per month. Fasting interval 16 asks for nothing beyond the download.

UpkeepUpdate frequency

Fasting interval 16 ships an update weekly, Intermittent Fasting Tracker every 10 days. The most recent releases landed on June 1, 2026 and September 29, 2026 respectively.

Scorecard4 real differences · 6 level
Fasting interval 16 versus Intermittent Fasting Tracker: the parameters behind the verdict, then further details
ParameterFasting interval 16Intermittent Fasting Tracker
PriceFreeFree
Rating—4.9 (51K ratings) — better
Positive reviews50.0% of reviews96.8% of reviews — better
Number of ratings—51K — better
Update frequencyWeekly — betterEvery 10 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS11.0 — better17.0
Further details — not scored
Size25 MB109 MB
Age rating12+12+
DeveloperDirk StorjohannKai Oelfke

Customer experience

Fasting interval 16

Written reviews6 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Intermittent Fasting Tracker

All ratings51,132 ratings
Positive97.8%
Neutral1.5%
Negative0.7%
Written reviews2,857 reviews
Positive96.8%
Neutral1.7%
Negative1.5%

Bugs and requests

Fasting interval 16

Not enough reviews yet to summarise bugs or requests.

Intermittent Fasting Tracker

Reported bugs

2 issues
  • Overlapping fasting/eating windows reported
  • Inconsistencies in fasting time calculations

Requested features

4 requests
  • Ability to schedule and set reminders for fasts
  • Option to manually log ketosis levels
  • Export or share fasting data
  • More detailed fasting stage information

In-app purchases

None

Fasting interval 16

No in-app purchases

17 purchases

Intermittent Fasting Tracker

Subscriptions9
  • Fasty Monthly Donation$0.991 Month
  • Fasty Basic Monthly$0.991 Month
  • Fasty Monthly Donation$1.991 Month
Show 6 more
  • Fasty Basic Monthly$1.991 Month
  • Fasty Monthly Donation$2.991 Month
  • Fasty Basic Yearly$4.991 Year
  • Fasty Basic Yearly$6.691 Year
  • Fasty Pro Monthly2 variants$6.991 Month
  • Fasty Pro Yearly2 variants$19.991 Year
One-time8
  • One Time Donation$4.99
  • Fasty Basic One Time$9.99
  • One Time Donation$9.99
Show 5 more
  • One Time Donation$14.99
  • One Time Donation$24.99
  • One Time Donation$34.99
  • Fasty Pro One Time2 variants$49.99
  • One Time Donation$49.99

Questions

Is Fasting interval 16 free?
Fasting interval 16 is free to download, with no in-app purchases.
Is Intermittent Fasting Tracker free?
Intermittent Fasting Tracker is free to download, with in-app purchases available.
Do Fasting interval 16 or Intermittent Fasting Tracker have ads?
Neither Fasting interval 16 nor Intermittent Fasting Tracker shows ads.
Which is updated more often, Fasting interval 16 or Intermittent Fasting Tracker?
Fasting interval 16 ships an update weekly, and Intermittent Fasting Tracker every 10 days. Most recently, Fasting interval 16 was updated on June 1, 2026 and Intermittent Fasting Tracker on September 29, 2026.

Other comparisons