Best FastWindow alternatives: apps like FastWindow: Fasting Timer

9+ similar apps compared and reviewed

4.7 avg rating
9 free apps
Updated October 2026

Whether you want more options like FastWindow or a completely different take on the same concept, our curated list of 9+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to FastWindow

Meridian: Fasting Tracker#2

Meridian: Fasting Tracker by ZACHARY MARK MULLIGAN

Simple Metabolic Health Timer
5.0(1 ratings)
FreeIn-App Purchases
Meridian: Fasting Tracker screenshot 1
Meridian: Fasting Tracker screenshot 2
Meridian: Fasting Tracker screenshot 3
Meridian: Fasting Tracker screenshot 4
Meridian: Fasting Tracker screenshot 5
Meridian: Fasting Tracker screenshot 6

This app offers a straightforward approach to intermittent fasting, focusing on a clean interface and scientific insights into metabolic phases. It allows users to start and stop fasting with ease, track custom schedules, and understand their body's processes without intrusive features or upselling.

More apps like FastWindow

4
Aayu: Intermittent fasting
Aayu: Intermittent fasting
Aayu: Intermittent fasting
Weight Loss & Fat Burn Timer
Free

Track your body's metabolic zones in real-time during fasting to understand progress beyond simple timers. Offers personalized plans, hydration tracking, and curated meal ideas to support your weight loss journey. Advanced features are available through an optional subscription.

Real-time metabolic zone trackingPersonalized fasting plansCurated break-fast meal suggestions
💪 Health & Fitness
(2)
freemium
5
Nistis: Fasting Timer
Nistis: Fasting Timer
Nistis: Fasting Timer
Simple 16:8 & OMAD Tracker
Free

This app helps you track fasting periods with customizable timers and editing capabilities. It offers a free version with core features and an optional one-time purchase for advanced functionalities like Apple Watch integration and health syncing.

Customizable fasting timers (16:8, OMAD, etc.)Editable fasting historyStage timeline with common fasting phases
💪 Health & Fitness
(3)
free with in-app purchases
6
VitaSolace: Fasting tracker
VitaSolace: Fasting tracker
VitaSolace: Fasting tracker
Weight loss & health tracker
Free
💪 Health & Fitness
(0)
7
Super Fasting Tracker
Super Fasting Tracker
Super Fasting Tracker
Intermittent Fasting Tracker
Free
💪 Health & Fitness
(0)
8
EasyFasting: Fasting Tracker
EasyFasting: Fasting Tracker
EasyFasting: Fasting Tracker
Intermittent Fasting Timer
Free

This app simplifies intermittent fasting with a clear, front-and-center timer and guided explanations of your body's fasting phases. It offers customizable plans, weight tracking, and smart reminders to help you build consistent habits. Widgets provide at-a-glance progress updates.

Customizable fasting plansClear fasting window timerFasting phase explanations
💪 Health & Fitness
(5)
freemium
9
SolGlow: Vitamin D Tracker
SolGlow: Vitamin D Tracker
SolGlow: Vitamin D Tracker
Automatic Sunlight & UV Index
Free

This app automatically estimates your daily vitamin D intake based on sunlight exposure, skin type, and location. It provides real-time UV index, burn-safe time remaining, and integrates with Apple Watch for effortless tracking. Features include winter mode, supplement check-ins, and advanced planning tools for Pro users.

Automatic vitamin D estimationLive UV index and IU-per-minute rateBurn-safe time remaining with alerts
💪 Health & Fitness
(3)
freemium