Comparison

Fasting interval 16 vs Fasting Timer

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

Fasting Timer

Effortlessly track intermittent fasting with this powerful app. Monitor fasting phases, including fat-burning and autophagy, and build healthy habits with various fasting plans. Start your journey in seconds with no account required.

Highlights
  • Circular countdown timer
  • Real-time fasting phase tracking
  • Multiple IF protocols
  • Streak tracking
  • Body Map visualization
  • Home Screen Widget
  • Zone notifications
Features
Read full description

Fasting Timer is a simple intermittent fasting tracker. Start a fast with one tap, see which stage you are in, and look back on every fast. No account, no quiz: open the app and start. FREE • 14:10 and 16:8 timer with a stage ring and countdown • Live Activity on the Lock Screen and in the Dynamic Island while you fast (supported iPhones) • History calendar for the last 7 days: edit start and end times, delete a fast or add one you forgot • End-of-fast summary with mood and a short note • Streaks, a weekly progress chart and badges • Water tracker • Reminders: fast complete, time to start, streak at risk • Dark and light themes PREMIUM • All plans: 18:6, 20:4, OMAD (23:1), 5:2 (mark your two low-calorie days), 36 h, 48 h, 72 h and custom fasts up to 168 hours • "In your body now" cards for each stage of your fast, with sources from peer-reviewed research • Learn library of short articles (a few are open to everyone, including "Who shouldn't fast") • Full history and detailed progress: longest fast, average, completion rate and a monthly heat map • Weight log in kg or lb, with a chart • Apple Health: read and save your weight, and optionally save water • Home Screen and Lock Screen widgets • Extra reminders: one hour before your goal, eating window closing, stage milestones • No ads PRIVATE BY DESIGN No account or sign-up. Your fasts, notes and weight are stored on your device. The free version shows ads; Premium removes them. NOT MEDICAL ADVICE Fasting Timer is a tracking tool, not medical advice. Talk to your doctor before fasting, especially before longer fasts or if you are pregnant or breastfeeding, have diabetes or another medical condition, or have a history of eating disorders. SUBSCRIPTION Premium is an auto-renewing subscription. The price and any free trial are shown in the app before you buy. Payment is charged to your Apple Account when you confirm the purchase. The subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period. You can manage or cancel it in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ralf9090.github.io/fasting-timer/privacy.html

Screenshots

Fasting interval 164 screens
Fasting Timer4 screens

Verdict

The call

The clearest difference is review sentiment: Fasting interval 16 at 50% against Fasting Timer's 0%. Fasting interval 16 also leads on in-app purchases (none vs 2) and ads (none vs shown). Fasting Timer's advantage is update cadence (every 3 days vs weekly). On price 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. Fasting Timer sells 2 in-app purchases, starting at $1.99 per month. Fasting interval 16 asks for nothing beyond the download.

UpkeepUpdate frequency

Fasting interval 16 ships an update weekly, Fasting Timer every 3 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard6 real differences · 4 level
Fasting interval 16 versus Fasting Timer: the parameters behind the verdict, then further details
ParameterFasting interval 16Fasting Timer
PriceFreeFree
Rating—3.0 (2 ratings) — better
Positive reviews50.0% of reviews — better0.0% of reviews
Number of ratings—2 — better
Update frequencyWeeklyEvery 3 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better16.0
Further details — not scored
Size25 MB51 MB
Age rating12+4+
DeveloperDirk StorjohannBatuhan Senavci

Customer experience

Fasting interval 16

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

Fasting Timer

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Fasting interval 16

No in-app purchases

2 purchases

Fasting Timer

Subscriptions2
  • Premium Monthly3 Days trial$1.991 Month
  • Premium Yearly$14.991 Year

Questions

Is Fasting interval 16 free?
Fasting interval 16 is free to download, with no in-app purchases.
Is Fasting Timer free?
Fasting Timer is free to download, with in-app purchases available.
Do Fasting interval 16 or Fasting Timer have ads?
Fasting Timer shows ads; Fasting interval 16 does not.
Which is updated more often, Fasting interval 16 or Fasting Timer?
Fasting interval 16 ships an update weekly, and Fasting Timer every 3 days. Most recently, Fasting interval 16 was updated on November 3, 2026 and Fasting Timer on October 31, 2026.

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