Nistis: Fasting Timer
Simple 16:8 & OMAD Tracker
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
Pay once, keep it forever — Pro lifetime is $29.99. No subscription required for the timer. It's free, always. No ads, no account, ever.
A fasting timer. That's it. Free to use, no account, no ads, no AI coach, no
subscription required — upgrade once and keep it forever. Fix a forgotten fast
in two taps. Your data stays on your device and exports any time.
THE TIMER
Pick a preset — 16:8, 18:6, 20:4, OMAD, 5:2 — or set a custom fast. One big
ring shows elapsed, remaining, or percent; tap to switch. Started fasting
before you opened the app? Adjust the start time mid-fast. Ending early or
late? The end time is editable too. No lectures either way.
YOUR HISTORY IS YOURS TO EDIT
Every fasting app makes logging mistakes. Nistis is the one that lets you fix
them: any fast, any field, any time — including days you forgot entirely. Tap
an empty day, add the fast, done. Streaks and stats recompute instantly. No
punishment screens.
STAGES, NOT SERMONS
A simple timeline shows the stages commonly associated with fasting — digesting,
fat burning, ketosis ramp — with honest, hedged language and no medical claims.
FREE MEANS FREE
The timer, every preset, unlimited history with full editing, streaks, stats,
notifications, and a home-screen widget. Free forever — in writing. Whatever
ships free stays free. Available in 34 languages.
NISTIS PRO — PAY ONCE IF YOU WANT MORE
• Apple Watch app with complications — start and end from your wrist
• Live Activity and Dynamic Island — your fast on the lock screen
• Every widget style, including lock-screen widgets
• Apple Health sync for weight and water
• Advanced stats: trends, completion rate, weight overlay
• Import from other fasting apps (first import free) and export any time
$2.99/month, $14.99/year, or $29.99 once — yours for life. Other fasting apps
charge $69.99 every year for less.
PRIVATE BY ARCHITECTURE
No account. No ads. No tracking SDKs. Works completely offline; optional
iCloud sync uses your private iCloud, which we can't read. The only thing the
app ever phones is Apple's purchase system. Check our App Store privacy label
against any other fasting app — that's the whole pitch.
Nistis — Greek νήστις, "the one who fasts." Pronounced NISS-tis.
Not medical advice. Consult a doctor before changing your eating pattern.
Privacy policy: https://nistis.com/privacy
Terms of use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
Nistis 1.1 — now in 34 languages.
• The whole app — timer, history, editing, stats, settings, widgets, watch — translated into 34 languages
• Translations are new. If something reads wrong in your language, tell us at nistis.com and we will fix it in the next release
• No new permissions, no new network calls — same private, offline-first app
Real release notes every release. Reviewers notice; so do we.
The developer, Little Theta LLC, 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
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Little Theta LLC
- Size
- 19.3 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 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.
- iPhone
- Languages
English and 32 more
- English, Arabic, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Slovak, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Pro Lifetime $29.99
- Pro Annual $14.99
- Pro Monthly $2.99
- Copyright
- © 2026 Nick Hirras