Best Fast & Slim alternatives: apps like Fast & Slim

10+ similar apps compared and reviewed

4.6 avg rating
9 free apps
Updated October 2026
Fast & Slim
Fast & Slim
Sergi Franquet

Fast & Slim is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Fast & Slim

More apps like Fast & Slim

4
168: Fasting Timer & Tracker
168: Fasting Timer & Tracker
168: Fasting Timer & Tracker
by 凌青 张
Free

This app helps you track intermittent fasting with a focus on simplicity and visual progress. It offers scientific dietary advice and integrates seamlessly with dark mode for a comfortable experience.

Minimalist trackingVisual progress ringsWeekly/monthly data insights
💪 Health & Fitness
(1)
free
5
FastZen: Fasting & Autophagy
FastZen: Fasting & Autophagy
FastZen: Fasting & Autophagy
16:8, OMAD & Eating Window
Free
💪 Health & Fitness
(0)
6
极简轻断食
极简轻断食
极简轻断食
by Zhuhai Runsu Information Technology Co.,Ltd.
Free
💪 Health & Fitness
(0)
7
Pedometer: Steps
Pedometer: Steps
Pedometer: Steps
Steps, charts & widgets
Free

Track your daily steps, distance, and active energy using your iPhone and Apple Watch. Visualize your progress with charts and set daily goals. Customize your experience with widgets and color options, with privacy-focused data processing on your device.

Step trackingDistance trackingActive energy monitoring
💪 Health & Fitness
(5)
free with in-app purchases
8
CatNapp - Timer for power naps
CatNapp - Timer for power naps
CatNapp - Timer for power naps
Take power naps to be fit!
$1.49

This app helps you take refreshing power naps with customizable durations and soothing ambient sounds. Wake up gently with sweet alarm tones designed to leave you feeling rejuvenated.

Customizable nap durations up to 120 minutesSelection of gentle ambient soundsSweet and gentle alarm sounds
💪 Health & Fitness
(3)
paid
9
Intermittent Fasting: IF24
Intermittent Fasting: IF24
Intermittent Fasting: IF24
Timer for 16:8, phases & OMAD
Free

Track your intermittent fasting routine with this intuitive app. It offers features for both beginners and experienced fasters to maintain a successful fasting schedule.

Intermittent fasting trackerBeginner-friendly interfaceSupports experienced practitioners
💪 Health & Fitness
(8)
paid
10
Intermittent Fasting Kit
Intermittent Fasting Kit
Intermittent Fasting Kit
Track Eating Windows Easily
Free

This app simplifies time-restricted eating with a calm, beautifully designed interface. It allows users to start and track various fasting windows with gentle notifications and progress rings, focusing on sustainability rather than obsession.

Multiple fasting methods (16:8, OMAD, 5:2, custom)Live progress ring widgets (Home, Lock, StandBy)Live Activity and Dynamic Island countdown
💪 Health & Fitness
(1)
subscription