Fastii: Intermittent Fasting

16:8 timer, streak & window

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

Spanish-first fasting clock. 16:8 and streak. 24-hour peek, then Fastii Plus. JURISDICTION STATEMENT: Fastii does not use, require, or connect to medical hardware in any country. The iPhone does not measure a fast or prescribe a diet. No 510(k), CE medical-device, or storefront restriction applies. Fastii is a private intermittent-fasting timer for iPhone, written Spanish-first. Start and end a fast in one tap. Pick 16:8, 18:6, 14:10, 20:4, OMAD, or a custom split. Keep a streak, see hour marks on the clock, log water, and optionally log weight. This is an informational log. Fastii does not diagnose, treat, prevent, or cure any condition. It does not prescribe a diet. WHY PEOPLE KEEP IT • Circular clock with hours, minutes, and seconds • 16:8, 18:6, 14:10, 20:4, OMAD, and custom protocols • Eating window with a start time • History and calendar of completed fasts • Current and best streak • 4h, 8h, 12h, and goal marks on the clock • Water glasses during a fast • How the fast felt when you end it • Weekly hours and optional weight • Local alerts when the window opens or closes • No account. No ads. Data stays on the iPhone. FASTII PLUS After setup you get a 24-hour free peek of the timer, history, and streaks. Fastii Plus (auto-renewing) unlocks them ongoing. Price is shown on the paywall before purchase. Restore purchases if you already subscribed. There is no forever-free diary. — Fastii Plus is an auto-renewing subscription: • Yearly — billed once a year • Monthly — billed once a month Payment is charged to your Apple ID at purchase confirmation. Subscriptions renew unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your Apple ID subscription settings. Privacy Policy: https://devloggic.com/fastii/privacy Terms of Use (EULA): https://devloggic.com/fastii/terms

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New: home screen widget and Apple Watch app. Set the real start time of a fast. Trend chart for weight and waist. Optional alerts at each clock mark and a water reminder.

Version 1.1.0

The developer, DEVLOGGIC S.A.S., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Purchases

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
DEVLOGGIC S.A.S.
Size
52.3 MB
Category
Health & Fitness
Compatibility
Requires iOS 16.4 or later.
  • iPhone
    Requires iOS 16.4 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
  • Apple Watch
    Requires watchOS 10.0 or later.
Languages
English and Spanish
Age Rating
13+
  • 13+
  • Learn More
  • Infrequent
    Medical Treatment information

    Contains
    Health or Wellness Topics
In-App Purchases
Yes
  • Fastii Plus Monthly $9.99
  • Fastii Plus Yearly $39.99
  • Learn More
Copyright
© 2026 DEVLOGGIC S.A.S.
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Some in-app purchases and subscriptions may be shareable with your family group when Family Sharing is enabled. Learn More

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