Comparison

Fastyer vs Vazio

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

Head to head
About

Fastyer

Features
Read full description

Fastyer helps you build a sustainable intermittent fasting routine with an intuitive and motivating approach. Choose from multiple fasting protocols and track your progress with a real-time fasting timer. Review your fasting history, follow your personal trends, and access clear statistics that help you understand your improvement over time. Fastyer also includes gamification elements that encourage consistency and make your fasting journey more engaging. Whether you are just starting or have experience, Fastyer adapts to your lifestyle and supports you in reaching your health and wellness goals. Usage terms (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

Fastyer4 screens
Vazio4 screens

Verdict

The call

The clearest difference is update cadence: Fastyer at daily against Vazio's every 4 days. Fastyer also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.6). On price, ads and in-app purchases 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. Fastyer sells 3 in-app purchases, starting at $0.99 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.

UpkeepUpdate frequency

Fastyer ships an update daily, Vazio every 4 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 6 level
Fastyer versus Vazio: the parameters behind the verdict, then further details
ParameterFastyerVazio
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyDaily — betterEvery 4 days
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better18.6
Further details — not scored
Size50 MB10 MB
Age rating4+17+
DeveloperAlfredo ZimperzAndres Rojas

In-app purchases

3 purchases

Fastyer

Subscriptions2
  • Premium monthly subscription14 Days trial$0.991 Month
  • Premium yearly subscription14 Days trial$7.991 Year
One-time1
  • Lifetime access$22.99
3 purchases

Vazio

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

Questions

Is Fastyer free?
Fastyer is free to download, with in-app purchases available.
Is Vazio free?
Vazio is free to download, with in-app purchases available.
Do Fastyer or Vazio have ads?
Neither Fastyer nor Vazio shows ads.
Which is updated more often, Fastyer or Vazio?
Fastyer ships an update daily, and Vazio every 4 days. Most recently, Fastyer was updated on October 25, 2026 and Vazio on October 28, 2026.

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