Comparison

DeepFast vs Simple Fasting Timer FastClear

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

Head to head
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/

About

Simple Fasting Timer FastClear

Features
Read full description

FastClear is a simple fasting timer that follows your real rhythm: correct the start time, go past your goal, and see your eating window counted down. Everyone forgets to start the timer sometimes. Just say when you last ate: your fast starts from that moment. THE FULL CYCLE • Fast, goal, time past the goal, then the eating window and your next fast • 16:8, 18:6, 20:4, OMAD or a custom goal from 12 to 72 hours • The goal is a milestone: your fast keeps going until you end it ON YOUR LOCK SCREEN • Live Activity and Dynamic Island, free • Interactive widgets: start and end without opening the app • Control Center control, Siri, Shortcuts and the Action button A HISTORY THAT FITS YOUR LIFE • Edit a fast, or add the one you forgot to time • Weekly list and monthly calendar • Streaks, fasts completed this month, average duration AT THE END OF EVERY FAST • A timeline of your fast, to share as an image if you like HONEST • Milestones (fat burning, ketosis, autophagy) are shown as estimates, with their sources • No weight-loss promises FREE, FOR REAL Every protocol, the Live Activity, 30 days of history and the export of your data are free, with no time limit. Premium adds your full history, in-depth statistics and the widgets: as a monthly or yearly subscription (7-day free trial on the yearly plan, Family Sharing included), or as a one-time lifetime purchase. PRIVACY No tracking. No ads. No account. Your data stays on your device. App Store privacy label: Data Not Collected. FastClear is not medical advice. Ask a health professional before fasting if you are pregnant, diabetic, have a history of eating disorders or take medication. — Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://suiteforge.app/fastclear/privacy/

Screenshots

DeepFast3 screens
Simple Fasting Timer FastClear4 screens

Verdict

The call

The clearest difference is update cadence: DeepFast at every 3 weeks against Simple Fasting Timer FastClear's every 3 months. 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. DeepFast sells 2 in-app purchases, starting at $4.99 per month and Simple Fasting Timer FastClear sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

DeepFast ships an update every 3 weeks, Simple Fasting Timer FastClear every 3 months. The most recent releases landed on November 9, 2026 and November 13, 2026 respectively.

Scorecard1 real difference · 9 level
DeepFast versus Simple Fasting Timer FastClear: the parameters behind the verdict, then further details
ParameterDeepFastSimple Fasting Timer FastClear
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationSubscription—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better17.6
Further details — not scored
Size10 MB2 MB
Age rating4+4+
DeveloperThomas PanasNicolas Dojcilovic

In-app purchases

2 purchases

DeepFast

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

Simple Fasting Timer FastClear

Subscriptions2
  • FastClear Pro Monthly$0.991 Month
  • FastClear Pro Yearly7 Days trial$5.991 Year
One-time1
  • Lifetime Premium$9.99

Questions

Is DeepFast free?
DeepFast is free to download, with in-app purchases available.
Is Simple Fasting Timer FastClear free?
Simple Fasting Timer FastClear is free to download, with in-app purchases available.
Do DeepFast or Simple Fasting Timer FastClear have ads?
Neither DeepFast nor Simple Fasting Timer FastClear shows ads.
Which is updated more often, DeepFast or Simple Fasting Timer FastClear?
DeepFast ships an update every 3 weeks, and Simple Fasting Timer FastClear every 3 months. Most recently, DeepFast was updated on November 9, 2026 and Simple Fasting Timer FastClear on November 13, 2026.

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