Comparison

72Hour Fasting Timer vs DeepFast

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

Head to head
About

72Hour Fasting Timer

This app assists users in tracking extended fasting periods of 24, 48, or 72 hours. It provides progress zones, statistics, and reminders to help users stay focused and motivated during their fasting journey.

Highlights
  • Smart fasting timer
  • Progress zones (fat burning, autophagy)
  • Statistics and history
  • HealthKit sync
  • Notifications and reminders
  • Minimalist design
Features
Read full description

Fasting Timer 72 is your personal companion for extended fasts (24h, 48h, 72h). Whether you're doing intermittent fasting, OMAD, or long-term fasting, this app helps you track progress, stay focused, and stay motivated. Features: - Smart fasting timer - Progress zones (fat burning, autophagy, etc.) - Statistics and history - HealthKit sync (optional) - Notifications and reminders - Minimalist design. No ads. Just fasting — tracked right.

About

DeepFast

This app provides a dedicated timer for extended fasting periods, focusing on tracking metabolic body phases and personal fasting streaks. It offers detailed insights into your fasting journey without calorie counting or social features.

Highlights
  • Animated fasting timer with progress ring
  • Presets for OMAD, Warrior, and extended fasts
  • Metabolic body phase tracking
  • Streak calendar and history
  • Weight tracking with Apple Health sync
  • Smart notifications for phases and milestones
Features
Read full description

DeepFast is the fasting timer built for serious fasters. No calorie counting. No meal plans. No social feeds. Just your fast, your streaks, and your results. FASTING TIMER • Beautiful animated timer ring with real-time progress • Presets for OMAD (23:1), Warrior (20:4), 36h, 48h, 72h, and custom fasts up to 7 days • Timer persists through app close and device restart • Backdate your start time if you forgot to tap start BODY PHASE TRACKING • See exactly where you are metabolically: Fed State → Early Fasting → Fat Burning → Ketosis → Deep Ketosis → Autophagy → Deep Autophagy → Extended • Science-backed descriptions at every phase • Color-coded progress bar and ring STREAK CALENDAR • Monthly calendar view with daily completion status • Current streak, longest streak, total fasts, and total hours • Tap any day to see detailed fast history • Monthly summary with average duration and longest fast WEIGHT TRACKING • Log weight manually or sync from Apple Health • Trend chart with 7-day moving average • Track total change and weekly progress • Supports kg and lbs SMART NOTIFICATIONS • Get notified when you enter each body phase • Milestone alerts at 50% of your goal • Completion celebrations • Optional daily streak reminders PRIVACY FIRST • All data stored locally on your device • No cloud servers, no analytics, no tracking • HealthKit data never leaves your device • No account required to use the app BUILT FOR OMAD & EXTENDED FASTING Most fasting apps are designed for 16:8 beginners. DeepFast is built for the serious faster — OMAD practitioners, Warrior Diet followers, and anyone doing 36-hour to 7-day extended fasts. We track the phases that matter to you: ketosis, deep ketosis, autophagy, and beyond. SUBSCRIPTION DeepFast offers Monthly ($7.99/month) and Annual ($49.99/year) subscriptions. Payment is charged to your Apple ID. Subscriptions auto-renew unless cancelled at least 24 hours before the end of the billing period. Manage subscriptions in Settings > Apple ID > Subscriptions. Privacy Policy: https://deepfast.co/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

72Hour Fasting Timer4 screens
DeepFast3 screens

Verdict

The call

The clearest difference is review sentiment: 72Hour Fasting Timer at 67% against DeepFast's 0%. 72Hour Fasting Timer also leads on rating (4.3 vs 1.0) and in-app purchases (none vs 2). DeepFast's advantage is price (Free vs $1.99) and update cadence (every 3 weeks vs every 7 months). On ads 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

DeepFast is free to download; 72Hour Fasting Timer costs $1.99 up front. DeepFast sells 2 in-app purchases, starting at $4.99 per month. 72Hour Fasting Timer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

72Hour Fasting Timer holds the better App Store score, 4.3 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 67% of 72Hour Fasting Timer's written reviews are positive against 0% of DeepFast's.

UpkeepUpdate frequency

72Hour Fasting Timer ships an update every 7 months, DeepFast every 3 weeks. The most recent releases landed on September 22, 2026 and September 15, 2026 respectively.

Scorecard8 real differences · 2 level
72Hour Fasting Timer versus DeepFast: the parameters behind the verdict, then further details
Parameter72Hour Fasting TimerDeepFast
Price$1.99Free — better
Rating4.3 (3 ratings) — better1.0 (1 ratings)
Positive reviews66.7% of reviews — better0.0% of reviews
Number of ratings3 — better1
Update frequencyEvery 7 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid — betterSubscription
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better16.0
Further details — not scored
Size5 MB10 MB
Age rating17+4+
DeveloperPOWER SATELLITE LLCThomas Panas

Customer experience

72Hour Fasting Timer

All ratings3 ratings
Positive66.7%
Neutral33.3%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

DeepFast

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

In-app purchases

None

72Hour Fasting Timer

No in-app purchases

2 purchases

DeepFast

Subscriptions2
  • Premium Monthly$4.991 Month
  • Premium Annual$29.991 Year

Questions

Is 72Hour Fasting Timer free?
72Hour Fasting Timer costs $1.99, with no in-app purchases.
Is DeepFast free?
DeepFast is free to download, with in-app purchases available.
Which has better reviews, 72Hour Fasting Timer or DeepFast?
72Hour Fasting Timer is rated higher. 72Hour Fasting Timer averages 4.3 out of 5 from 3 ratings, while DeepFast averages 1.0 from 1 ratings.
Do 72Hour Fasting Timer or DeepFast have ads?
Neither 72Hour Fasting Timer nor DeepFast shows ads.
Which is updated more often, 72Hour Fasting Timer or DeepFast?
72Hour Fasting Timer ships an update every 7 months, and DeepFast every 3 weeks. Most recently, 72Hour Fasting Timer was updated on September 22, 2026 and DeepFast on September 15, 2026.

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