Comparison

Simple Fasting App vs Simple Fasting Calculator

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

Head to head
About

Simple Fasting App

This app simplifies intermittent fasting with a focus on privacy and ease of use. It offers popular fasting schedules, progress tracking, and smart notifications without ads, subscriptions, or data collection.

Highlights
  • Free and private
  • Popular fasting schedules
  • Progress tracking
  • Smart notifications
  • Intuitive design
  • Customizable themes
  • Quick start
Features
Read full description

Track intermittent fasting with a clear timer, flexible plans and a history you can return to. Simple Fasting App is free to use, with every feature included and no ads or subscriptions. Start without creating an account. A PLAN THAT FITS YOUR DAY Choose 12:12, 16:8, 18:6, 20:4 or a 24-hour fast, or set your own duration. Adjust the start time if you forgot to start the timer. Finish whenever you need to; reaching your target does not automatically end your fast. YOUR PROGRESS AT A GLANCE See elapsed time, time remaining and your planned finish time. Set an optional completion reminder. Follow your fast with Home Screen widgets, Live Activities and Dynamic Island on supported iPhones. APPLE WATCH AND SIRI Start and finish a fast from your Apple Watch. Your session syncs with your paired iPhone when connectivity is available. Tap the watch dial to open its controls. Use Siri and Shortcuts to manage your fast, ask about time and history, or change the timer display. You can also choose your next plan through a shortcut while your current fast continues. Siri availability depends on language, device and system settings. A HISTORY THAT MAKES SENSE Review completed fasts, average duration, your longest fast and weekly or monthly patterns. Open a day to see its sessions and timeline. Use the roomier iPad layout in portrait or landscape. LEARN AS YOU GO Explore illustrated fasting-stage guides with source links. The stages are general estimates based on elapsed time, not measurements of your metabolism or guarantees of a health result. PRIVATE AND PERSONAL Your fasting records are stored locally on your devices. The app does not collect or sell your fasting data. Paired iPhone–Watch syncing and optional Siri features use Apple system services; details are in the privacy policy. Choose light or dark appearance and your preferred accent color. Available in English, Turkish, German and Spanish. Simple Fasting App is a personal tracking tool and does not provide medical advice. Choose your plan and start when you are ready.

About

Simple Fasting Calculator

Features
Read full description

Are you intermittent fasting and simply need to be sure when your next meal should be? This free app is for you! Just enter the last time you had a meal, choose how many hours you want to fast, and this little app tells you when you can eat! Simple and to the point.

Screenshots

Simple Fasting App4 screens
Simple Fasting Calculator4 screens

Verdict

The call

The clearest difference is update cadence: Simple Fasting App at every 6 weeks against Simple Fasting Calculator's every 5 months. Simple Fasting Calculator's advantage is iOS requirement (15.0 vs 17.6). 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Simple Fasting App ships an update every 6 weeks, Simple Fasting Calculator every 5 months. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

Scorecard2 real differences · 8 level
Simple Fasting App versus Simple Fasting Calculator: the parameters behind the verdict, then further details
ParameterSimple Fasting AppSimple Fasting Calculator
PriceFreeFree
Rating4.4 (38 ratings) — better—
Positive reviews76.9% of reviews—
Number of ratings38 — better—
Update frequencyEvery 6 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS17.615.0 — better
Further details — not scored
Size6 MB29 MB
Age rating4+4+
DeveloperMehmet Emrah KonyaBitsational

In-app purchases

None

Simple Fasting App

No in-app purchases

None

Simple Fasting Calculator

No in-app purchases

Questions

Is Simple Fasting App free?
Simple Fasting App is free to download, with no in-app purchases.
Is Simple Fasting Calculator free?
Simple Fasting Calculator is free to download, with no in-app purchases.
Do Simple Fasting App or Simple Fasting Calculator have ads?
Neither Simple Fasting App nor Simple Fasting Calculator shows ads.
Which is updated more often, Simple Fasting App or Simple Fasting Calculator?
Simple Fasting App ships an update every 6 weeks, and Simple Fasting Calculator every 5 months. Most recently, Simple Fasting App was updated on October 19, 2026 and Simple Fasting Calculator on October 18, 2026.

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