Comparison

Lumifaste vs Simple Fasting Timer

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

Head to head
About

Lumifaste

Features
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Your fasting timer, live on your Lock Screen. Lumifaste puts your fasting timer right on your Lock Screen and Dynamic Island โ€” see your timer, current stage, and progress without ever opening the app. Built with zero ads and zero data collection โ€” your data stays private, synced only to your own iCloud. Start a fast with one tap. Watch your progress on a beautiful circular timer. Understand what's happening in your body as you move through five scientifically-backed fasting stages โ€” from digestion to fat burning, ketosis, and autophagy. LIVE ACTIVITY & DYNAMIC ISLAND See your fasting timer right on your Lock Screen and Dynamic Island. Glance at your progress, current stage, and time remaining โ€” all without unlocking your phone. FASTING STAGES โ€” REAL-TIME SCIENCE Your body goes through distinct metabolic phases during a fast. Lumifaste tracks them live: - Fed State (0โ€“4h) โ€” Digesting food, insulin elevated - Early Fasting (4โ€“12h) โ€” Blood sugar dropping, glycogen depleting - Fat Burning (12โ€“18h) โ€” Stored fat being used for energy - Ketosis (18โ€“24h) โ€” Ketone production, mental clarity - Autophagy (24h+) โ€” Cellular cleanup and renewal Premium unlocks detailed stage science with references and actionable tips. 9 FASTING PLANS (INCLUDING CUSTOM) - 12:12, 14:10, 16:8, 18:6, 20:4, OMAD (23:1), 5:2, Circadian, and Custom - Circadian Rhythm fast: align eating with daylight for metabolic benefits - Custom plans from 1โ€“48 hours for experienced fasters - Adjust your start time retroactively โ€” forgot to start? No problem SIRI SHORTCUTS & APP INTENTS "Hey Siri, start my fast." Hands-free fasting control from anywhere with full Siri Shortcuts integration. TRACK MORE THAN FASTING - Hydration tracker with daily goal and progress ring - Mood tracking after each fast - Personal journal notes on completed fasts - Weight logging with trend chart and Apple Health sync - 20 fasting-friendly recipes with nutrition info - Meal logging with emoji categories Hydration, mood, and journaling โ€” all in one place. INSIGHTS & STREAKS - Streak heatmap โ€” 90-day fasting calendar - Weekly charts and month-at-a-glance view - Time pattern analysis โ€” discover your best fasting days - Consistency score and week-over-week comparison - Export your data as CSV anytime CHALLENGES & ACHIEVEMENTS Daily, weekly, and monthly challenges with XP points. 13 achievements from your first fast to 30-day streaks, 100 total hours, and reaching autophagy. SMART NOTIFICATIONS Milestone alerts, stage transitions, streak protection, weekly summary, inactivity nudge, and eating window reminders. Quiet hours respect your sleep. 8 COLOR THEMES Forest, Ocean, Mono, Sunset, Nebula, Aurora, Rose Gold, Midnight. Light, dark, and system modes. HONEST PRICING โ€” NO ADS, EVER All preset plans, the timer, fasting stages, basic notifications, 12 recipes, and your last 7 fasts are free. No account required. No ads. No tricks. Premium unlocks unlimited history, streak tracking, full charts, stage science, custom plans, smart notifications, weight tracking, all 13 achievements, all 20 recipes, all 8 themes, and CSV export. - Monthly: $3.99/month - Yearly: $29.99/year (save 37%) - 7-day free trial included YOUR DATA STAYS YOURS All data is stored locally and synced via iCloud only to your own devices. We never collect, store, or sell your personal information. No analytics on your health data. No third-party trackers. Lumifaste is not medical advice. Consult a healthcare professional before starting any fasting program. Privacy Policy: https://theknack2020-sketch.github.io/lumifaste/privacy Terms of Use: https://theknack2020-sketch.github.io/lumifaste/terms

About

Simple Fasting Timer

Read full description

Just a fasting timer. No account, no coaching, no subscription traps. One-time purchase unlocks everything, forever. Simple Fasting Timer helps you start and track intermittent fasting windows. Free includes 16:8 and 18:6. Pro adds 20:4, OMAD, and custom fasting windows. Open the app, choose a window, start fasting, and come back anytime. What you get: - Clean fasting timer with progress ring - Live Activity and Dynamic Island support - Home Screen widget with remaining time - Local goal notification - Local fasting history and streak - Weekly fasting schedule - No account required - Works offline Pro is a one-time purchase. It unlocks advanced and custom fasting protocols, complete history and CSV export, weekly schedules, milestone reminders, all themes, and iCloud backup and restore. No subscriptions. Simple Fasting Timer is for personal wellness tracking only and is not medical advice.

Screenshots

Lumifaste4 screens
Simple Fasting Timer3 screens

Verdict

The call

The clearest difference is update cadence: Simple Fasting Timer at daily against Lumifaste's every 11 days. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Lumifaste sells 2 in-app purchases, starting at $3.99 per month and Simple Fasting Timer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Lumifaste ships an update every 11 days, Simple Fasting Timer daily. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

Scorecard1 real difference ยท 5 level
Lumifaste versus Simple Fasting Timer: the parameters behind the verdict, then further details
ParameterLumifasteSimple Fasting Timer
PriceFreeFree
Update frequencyEvery 11 daysDaily โ€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 โ€” better17.6
Further details โ€” not scored
Size10 MB2 MB
Age rating4+4+
DeveloperUFUK OZDEMIRSerghei Eschin

In-app purchases

2 purchases

Lumifaste

Subscriptions2
  • Monthly Premium7 Days trial$3.991 Month
  • Yearly Premium7 Days trial$29.991 Year
1 purchases

Simple Fasting Timer

One-time1
  • Pro Lifetime$6.99

Questions

Is Lumifaste free?
Lumifaste is free to download, with in-app purchases available.
Is Simple Fasting Timer free?
Simple Fasting Timer is free to download, with in-app purchases available.
Do Lumifaste or Simple Fasting Timer have ads?
Neither Lumifaste nor Simple Fasting Timer shows ads.
Which is updated more often, Lumifaste or Simple Fasting Timer?
Lumifaste ships an update every 11 days, and Simple Fasting Timer daily. Most recently, Lumifaste was updated on October 13, 2026 and Simple Fasting Timer on October 15, 2026.

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