Comparison

Intermittent Fasting Timer IF vs Vazio

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

Head to head
About

Intermittent Fasting Timer IF

This app helps you track intermittent fasting by visualizing metabolic states, managing fasting and eating windows, and providing smart notifications. It offers features like live lock screen updates and HealthKit integration to support your wellness journey.

Highlights
  • Metabolic zone visualization
  • Live Activity and Dynamic Island integration
  • Multiple fasting type options
  • Intelligent timer and scheduling
  • Fasting history and statistics
  • HealthKit integration
  • Achievement system
Features
Read full description

Transform Your Health with Smart Intermittent Fasting Fasting revolutionizes your health journey with intelligent tracking, personalized insights, and seamless automation. FASTING ZONES - TRACK YOUR METABOLIC STATE Visualize your body's metabolic phases as you fast: • Fed State (0-4h) - Digestion and nutrient absorption • Catabolic (4-8h) - Blood sugar normalizes, fat mobilization begins • Fat Burning (8-12h) - Body switches to burning stored fat • Ketosis (12-18h) - Ketone production increases for energy • Deep Ketosis (18-24h) - Enhanced fat burning and mental clarity • Autophagy (24h+) - Cellular cleanup and renewal LIVE ACTIVITIES AND DYNAMIC ISLAND • Live Activity on your lock screen shows elapsed time • Dynamic Island displays your fasting progress at a glance • See your current metabolic zone without opening the app SMART FASTING SYSTEM • Multiple Fasting Types - 16:8, 18:6, 20:4, OMAD, 24h, 36h, and custom • Intelligent Timer - Tracks fasting and eating windows precisely • Calendar Integration - Smart scheduling based on your events • Achievement System - Unlock milestones and build lasting habits POWERFUL TRACKING • Real-time fasting timer with visual progress rings • Detailed fasting history and statistics • Weekly and monthly analytics dashboards • Streak tracking and weight trends SEAMLESS AUTOMATION • Smart Notifications for fasting start/end times • iCloud Sync across all your devices • Widget Support for quick status checks • Background Tracking continues when app is closed PERSONALIZED EXPERIENCE • Interactive Tutorial to learn how the app works • Custom Fasting Plans that fit your lifestyle • Health Integration with HealthKit FREE FEATURES: • Up to 3 active fasting sessions • Basic fasting types (16:8, 18:6) • Timer and notifications • iCloud sync PREMIUM FEATURES (Additional Purchase): • Unlimited sessions and history • Advanced fasting types • Advanced analytics • Weight tracking and trends • Data export Perfect for beginners and experienced fasters alike. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Vazio

This app offers a minimalist approach to intermittent fasting with a focus on privacy and a clean interface. It provides tools to track fasting periods, understand metabolic stages, and view progress directly on your device's lock screen.

Highlights
  • Live Activities for Dynamic Island and Lock Screen
  • Flexible fasting presets (16:8, 18:6, 20:4, OMAD)
  • Metabolic stage tracking (Sugar Burning, Ketosis, Autophagy)
  • Privacy-focused data storage on-device/iCloud
  • Home Screen widgets for quick start/stop
  • Dark Zen interface
Features
Read full description

Vazio is a private, ad-free intermittent fasting timer for people who want a calmer way to follow their routine. Start a 16:8, 18:6, 20:4, OMAD, or custom fast and see the time that matters at a glance. Stay in rhythm with daily reminders, Home Screen widgets, and a clean native iPhone experience designed for focus—not clutter. FAST WITH CLARITY • Flexible Timer: Choose 16:8, 18:6, 20:4, OMAD, or a custom fasting window. • Daily Reminders: Keep your preferred start time on track and begin a fast from the notification. • Widgets: Start or stop a fast quickly from your Home Screen. • History That Fits Real Life: Log a missed fast or edit a session when plans change. • Metabolic Timeline: Explore the stages of your fasting timeline as it progresses. VAZIO PRO Unlock Live Activities for your Lock Screen and Dynamic Island, unlimited history, advanced progress insights, Health app weight trends, and custom themes. Vazio is free to download. Optional annual Vazio Pro subscriptions unlock premium features and can be managed or canceled in your Apple ID account settings. Your privacy matters. Review Vazio's App Privacy details and Privacy Policy in the App Store for the current data-handling information. Details are available in the Terms of Service, available here: https://vazio.app/legal/terms/

Screenshots

Intermittent Fasting Timer IF4 screens
Vazio4 screens

Verdict

The call

The clearest difference is update cadence: Vazio at every 4 days against Intermittent Fasting Timer IF's every 3 months. On price, rating, ratings volume and ads 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 Timer IF sells 3 in-app purchases, starting at $2.99 per month and Vazio sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Intermittent Fasting Timer IF against 5.0 for Vazio. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Intermittent Fasting Timer IF ships an update every 3 months, Vazio every 4 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

Scorecard1 real difference · 9 level
Intermittent Fasting Timer IF versus Vazio: the parameters behind the verdict, then further details
ParameterIntermittent Fasting Timer IFVazio
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews0.0% of reviews—
Number of ratings11
Update frequencyEvery 3 monthsEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhoneiPhone
Requires iOS18.0 — better18.6
Further details — not scored
Size18 MB10 MB
Age rating4+17+
DeveloperJeff CedillaAndres Rojas

Customer experience

Intermittent Fasting Timer IF

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Vazio

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Intermittent Fasting Timer IF

Subscriptions2
  • Monthly$2.991 Month
  • Yearly$6.991 Year
One-time1
  • Lifetime$9.99
3 purchases

Vazio

Subscriptions3
  • Weekly Plan$0.997 Days
  • Monthly Plan$1.991 Month
  • Annual Plan7 Days trial$12.991 Year

Questions

Is Intermittent Fasting Timer IF free?
Intermittent Fasting Timer IF is free to download, with in-app purchases available.
Is Vazio free?
Vazio is free to download, with in-app purchases available.
Which has better reviews, Intermittent Fasting Timer IF or Vazio?
Intermittent Fasting Timer IF and Vazio are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Intermittent Fasting Timer IF or Vazio have ads?
Neither Intermittent Fasting Timer IF nor Vazio shows ads.
Which is updated more often, Intermittent Fasting Timer IF or Vazio?
Intermittent Fasting Timer IF ships an update every 3 months, and Vazio every 4 days. Most recently, Intermittent Fasting Timer IF was updated on October 30, 2026 and Vazio on October 28, 2026.

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