Comparison

Fasting interval 16 vs Window

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

Window

This intermittent fasting timer helps you build healthy eating habits with real-time progress tracking and motivational animations. View your fasting status on the Lock Screen and Dynamic Island without opening the app. Track your history, streaks, and success rate with local data storage and no ads.

Highlights
  • One-tap fasting start
  • Real-time progress tracking
  • Dynamic Island & Live Activities integration
  • Preset and custom fasting durations
  • Fasting history and statistics
  • Local data storage
Features
Read full description

Window is a beautifully designed intermittent fasting timer that helps you build healthy eating habits effortlessly. 【CORE FEATURES】 • One-tap to start fasting with real-time progress tracking • Stunning progress ring animation showing completion percentage • Preset durations: 12/14/16/18/20/24 hours • Custom duration for flexible fasting plans 【DYNAMIC ISLAND & LIVE ACTIVITIES】 • Real-time fasting progress on Lock Screen and Dynamic Island • Check remaining time without opening the app • Beautiful countdown animations to keep you motivated 【HISTORY & STATISTICS】 • Complete fasting history records • Track total fasts, streak days, and average duration • Monitor your success rate and witness your progress 【PRIVACY FIRST】 • All data stored locally on your device • No personal information collected • No ads, no tracking 【ONE-TIME PURCHASE】 • No subscriptions, no hidden fees • Unlock all features with a single purchase • Support indie development Start your fasting journey today. Window is here to help you achieve a healthier lifestyle!

Screenshots

Fasting interval 164 screens
Window4 screens

Verdict

The call

The clearest difference is review sentiment: Window at 100% against Fasting interval 16's 50%. Fasting interval 16's advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 17.6). On price, update cadence, ads and monetization model 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. Window sells 1 one-off in-app purchase. Fasting interval 16 asks for nothing beyond the download.

UpkeepUpdate frequency

Fasting interval 16 ships an update weekly, Window every 9 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Fasting interval 16 versus Window: the parameters behind the verdict, then further details
ParameterFasting interval 16Window
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings—2 — better
Update frequencyWeekly — betterEvery 9 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better17.6
Further details — not scored
Size25 MB7 MB
Age rating12+12+
DeveloperDirk Storjohann发发 道

Customer experience

Fasting interval 16

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

Window

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Fasting interval 16

No in-app purchases

1 purchases

Window

One-time1
  • Window Pro$0.99

Questions

Is Fasting interval 16 free?
Fasting interval 16 is free to download, with no in-app purchases.
Is Window free?
Window is free to download, with in-app purchases available.
Do Fasting interval 16 or Window have ads?
Neither Fasting interval 16 nor Window shows ads.
Which is updated more often, Fasting interval 16 or Window?
Fasting interval 16 ships an update weekly, and Window every 9 days. Most recently, Fasting interval 16 was updated on November 3, 2026 and Window on October 31, 2026.

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