Comparison

Intermittent Fasting vs Fasti

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

Head to head
About

Intermittent Fasting

This app helps you track your intermittent fasting journey with a simple, private interface. It offers a free tier with essential tracking tools and an optional one-time purchase for advanced features like water and protein tracking, and deeper insights. Your data remains on your device for maximum privacy.

Highlights
  • Intermittent fasting timer
  • Metabolic phase tracking
  • Water and protein tracking
  • Home and Lock Screen widgets
  • Apple Watch integration
  • On-device AI insights
  • Private data storage
Features
Read full description

Fasted is a calm, private intermittent-fasting tracker for iPhone, iPad and Apple Watch. Start a fast in one tap, follow your metabolic phases, and build a streak — no account, no analytics, no ads. Now made for iPad: your timer and your stats side by side, in landscape or portrait, with Split View and keyboard shortcuts. On iPhone, turn it sideways — landscape works too. The fasting basics are free, forever. When you want more, unlock Fasted Pro with a single one-time purchase. Buy once, own forever. No subscription, ever. WHAT'S FREE • Fasting timer — start now, start from your last meal, end, or cancel • All 8 preset plans, plus a custom plan • Metabolic phase tracking • iPhone, iPad and Apple Watch, always in sync • Apple Watch fasting page and complication • Fasting widgets for your Home and Lock Screen • Goal-reached and fasting-window reminders • Current streak, this-week hours, and your recent history • Light, dark, and system themes WHAT FASTED PRO UNLOCKS • Water tracking — goal, one-tap buttons you can customise, pace, reminders, on Watch and widgets • Protein tracking — set a daily goal and quick-add in a tap; rings on iPhone and Watch • Deeper stats — longest streak, 30-day adherence, weekly trends, water and protein streaks, 14-day phase history • On-device AI weekly insight • Phase-transition notifications • Live Activity and Dynamic Island • Siri, Shortcuts, and App Intents Buy once. Own forever. No subscription. ALREADY BOUGHT FASTED? If you previously purchased Fasted, you already own Pro — it unlocks automatically, free, the moment you update. Thank you for being an early supporter. PRIVATE BY DESIGN No account. No analytics. No tracking. Your fasting, water, and protein data stay on your device and sync only through your private iCloud. Optional Apple Health integration for fasts, water and dietary protein, read and write, with your permission. Protein tracking is deliberately simple — a daily goal and quick-add, like the water tracker. No barcode scanning, no calorie or macro counting.

About

Fasti

Features
Read full description

Intermittent fasting made simple. Fasti is a clean, focused fasting tracker for 16:8, 18:6, 20:4, OMAD, and custom fasting schedules. Start your fast in seconds, follow your progress with a live fasting timer, build streaks, review your history, and stay consistent with helpful reminders. No clutter. No complicated setup. No account required. START YOUR FAST IN ONE TAP Choose your fasting schedule, tap start, and Fasti tracks the rest. Use popular fasting plans including: • 16:8 • 18:6 • 20:4 • OMAD • Custom fasting windows Whether you’re new to intermittent fasting or already have an established routine, Fasti adapts to the way you fast. LIVE FASTING TIMER See exactly how long you’ve been fasting and how much time remains. The simple progress ring makes your fasting window easy to understand at a glance, without calculations or unnecessary screens. FASTING STREAKS Stay motivated by building consistent fasting streaks. Track your progress over time and see how regularly you’re completing your fasting goals. FASTING HISTORY Review your completed fasts in one place. Your fasting history helps you see patterns, track consistency, and understand how your routine is developing over time. SMART REMINDERS Stay on schedule without constantly checking the app. Get reminders for important moments in your fasting routine, including when your fast starts, when you’re approaching your goal, and when your eating window begins. SIMPLE BY DESIGN Fasti is built for people who want a fasting tracker without unnecessary complexity. No calorie-counting overload. No complicated coaching system. No account required. No clutter. Just a simple fasting timer and tracker designed to help you stay consistent. PRIVATE BY DESIGN Your fasting routine is personal. Fasti is designed with privacy in mind and does not require an account to start tracking your fasts. FAST YOUR WAY Use Fasti for: • Intermittent fasting • 16:8 fasting • 18:6 fasting • 20:4 fasting • OMAD • Custom fasting schedules • Fasting streak tracking • Fasting reminders • Fasting history and progress Whether you’re starting your first 16:8 fast or refining a long-term fasting routine, Fasti gives you the tools you need without getting in the way.

Screenshots

Intermittent Fasting4 screens
Fasti4 screens

Verdict

The call

The clearest difference is update cadence: Intermittent Fasting at every 3 weeks against Fasti's every 4 months. Fasti's advantage is iOS requirement (16.4 vs 26.0). On price, ads, in-app purchases and device support 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 sells 1 one-off in-app purchase and Fasti sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Intermittent Fasting ships an update every 3 weeks, Fasti every 4 months. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 8 level
Intermittent Fasting versus Fasti: the parameters behind the verdict, then further details
ParameterIntermittent FastingFasti
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, Apple Watch
Requires iOS26.016.4 — better
Further details — not scored
Size7 MB51 MB
Age rating4+4+
DeveloperCliapisGlenn Francis

In-app purchases

1 purchases

Intermittent Fasting

One-time1
  • Fasted Pro$4.99
1 purchases

Fasti

One-time1
  • Pro$9.99

Questions

Is Intermittent Fasting free?
Intermittent Fasting is free to download, with in-app purchases available.
Is Fasti free?
Fasti is free to download, with in-app purchases available.
Do Intermittent Fasting or Fasti have ads?
Neither Intermittent Fasting nor Fasti shows ads.
Which is updated more often, Intermittent Fasting or Fasti?
Intermittent Fasting ships an update every 3 weeks, and Fasti every 4 months. Most recently, Intermittent Fasting was updated on October 24, 2026 and Fasti on October 6, 2026.

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