Comparison

Libre Fasting vs Fasting Timer

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

Head to head
About

Libre Fasting

This app helps you track your fasting periods with customizable durations and common protocols. It offers real-time progress, optional reminders, and a history of your fasting sessions. Your data is kept private on your device.

Highlights
  • Customizable fast types and durations
  • Real-time timer and progress ring
  • Optional reminders and notifications
  • Fasting history and completion details
  • Export fasting history to CSV
  • Fasting stages timeline
  • Light/dark themes
Features
Read full description

Libre Fasting is a free, open-source fasting tracker built for clarity and privacy. No ads, no accounts, no subscriptions. Your data stays on your device. Start a fast in seconds with common protocols (16:8, 18:6, 20:4, OMAD, 24-72 hours) or set a custom duration. See real-time progress, edit or end a fast anytime, and optionally log weight and body fat at start/end. Features: - Quick start with your default fast type - Flexible fast types and custom durations - Real-time timer and progress ring - Optional reminders and notifications - History with completion details and repeat fasts - Export your fasting history to CSV - Fasting stages timeline and curated learning resources - Light/dark themes and accent colors Libre Fasting does not provide medical advice. Consult a qualified professional before making health decisions.

About

Fasting Timer

Features
Read full description

Fasting Timer - SLOX is a lightweight intermittent-fasting countdown timer designed to keep tracking simple. Features: • Preset protocols: 16:8, 18:6, 20:4 — plus a fully custom protocol • Live countdown showing time elapsed and time remaining • Past-fast history with completion status • Quick-start and one-tap stop • Sound & haptic toggles • 7 languages supported (English / 한국어 / 日本語 / 简体中文 / 繁體中文 / Español / Português) NOT a medical device. The timer simply counts down the duration you choose. It does not measure metabolic state, glucose, or any biomarker, and it does not diagnose any condition. Intermittent fasting may not be safe for everyone (pregnant or breastfeeding individuals, people with diabetes, eating disorders, or other medical conditions). Consult a healthcare professional before starting any fasting routine.

Screenshots

Libre Fasting4 screens
Fasting Timer3 screens

Verdict

The call

The clearest difference is ads: Libre Fasting at none against Fasting Timer's shown. Fasting Timer's advantage is update cadence (every 2 days vs every 3 months) and iOS requirement (13.0 vs 15.1). On price, 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Libre Fasting ships an update every 3 months, Fasting Timer every 2 days. The most recent releases landed on October 1, 2026 and September 20, 2026 respectively.

Scorecard3 real differences · 6 level
Libre Fasting versus Fasting Timer: the parameters behind the verdict, then further details
ParameterLibre FastingFasting Timer
PriceFreeFree
Rating4.5 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 3 monthsEvery 2 days — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.113.0 — better
Further details — not scored
Size46 MB23 MB
Age rating12+4+
DeveloperLibre By DesignSEOKWON YANG

In-app purchases

None

Libre Fasting

No in-app purchases

None

Fasting Timer

No in-app purchases

Questions

Is Libre Fasting free?
Libre Fasting is free to download, with no in-app purchases.
Is Fasting Timer free?
Fasting Timer is free to download, with no in-app purchases.
Do Libre Fasting or Fasting Timer have ads?
Fasting Timer shows ads; Libre Fasting does not.
Which is updated more often, Libre Fasting or Fasting Timer?
Libre Fasting ships an update every 3 months, and Fasting Timer every 2 days. Most recently, Libre Fasting was updated on October 1, 2026 and Fasting Timer on September 20, 2026.

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