Best Project Deduce Apps

208+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

Every iPhone needs a few good project deduce apps. We benchmark 208+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Project Deduce

Quit smoking for good - Kwit#2

Quit smoking for good - Kwit by KWIT

A life without cigarettes!
Strong Contender
💪 Health & Fitness
4.7😊(2.8K ratings)
FreeIn-App Purchases
Quit smoking for good - Kwit screenshot 1
Quit smoking for good - Kwit screenshot 2
Quit smoking for good - Kwit screenshot 3
Quit smoking for good - Kwit screenshot 4
Quit smoking for good - Kwit screenshot 5
Quit smoking for good - Kwit screenshot 6

Transform your life by quitting smoking with a scientifically designed app that offers personalized progress tracking, expert articles, support groups, and motivational cards. Take control of your journey to a smoke-free life with Kwit and join millions who have successfully quit smoking. Download now to start your healthier, tobacco-free life today!

What We Love

  • 👍 Helpful for quitting smoking
  • 💰 Tracks money saved
  • 🎉 Motivating achievements
  • 🌟 Great app overall

Room to Improve

  • 💰 Expensive subscription
  • 🔒 Too many features locked behind paywall
  • 🤯 Frustrating when app resets progress
QuitNow!#3

QuitNow! by Fewlaps SL

Quit smoking for good
Worth Considering
💪 Health & Fitness
4.7😊(13K ratings)
FreeAdsIn-App Purchases
QuitNow! screenshot 1
QuitNow! screenshot 2
QuitNow! screenshot 3
QuitNow! screenshot 4
QuitNow! screenshot 5
QuitNow! screenshot 6

Quit smoking for good with an engaging app that tracks your progress, offers achievements, a supportive community chat, health indicators, and helpful resources to help you stay smoke-free. Download now and take the first step towards a healthier life.

What We Love

  • 👍 Helpful for quitting smoking
  • 💰 Tracks money saved
  • ⏱️ Tracks time since last cigarette
  • 🎉 Motivating achievements and milestones

Room to Improve

  • 💰 Paid features are required for full functionality
  • 🗣️ Lack of moderation in community chat
  • 🔄 Issues with resetting quit date

More Project Deduce apps to explore

4
QuitSure Quit Smoking & Vaping
QuitSure Quit Smoking & Vaping
QuitSure Quit Smoking & Vaping
Clinically proven. 95% success
Free

An innovative quit smoking program that helps you quit smoking easily and permanently in just 6 days with no cravings or side effects. Download today to start your journey towards a smoke-free life with QuitSure.

💪 Health & Fitness
(1.5K)
5
My Last Cigarette
My Last Cigarette
My Last Cigarette
Stop Smoking, Stay Quit!
Free

Quit smoking and stay quit with an iOS app that tracks your progress, showing expected improvements in health, savings, and more. With real-time statistics, motivational messages, and personalized readouts, this tool is a proven aid to help you resist restarting smoking. Join the thousands of successful users who have said goodbye to cigarettes.

💪 Health & Fitness
(1.9K)
6
Days Since: Quit Habit Tracker
Days Since: Quit Habit Tracker
Days Since: Quit Habit Tracker
Sober Time Clean Day Counter
Free

Track and break bad habits with a personalized counter. Stay motivated by seeing how long it has been since you last engaged in the habit you want to quit. Visit the website for more information.

💪 Health & Fitness
(18K)
7
Puff Count: Quit Vaping Now
Puff Count: Quit Vaping Now
Puff Count: Quit Vaping Now
Track Puffs and Quit Vaping
Free

Track your vaping habit, set daily limits, visualize your progress, and quit with friends using this proven app. Join over 375,000 users on their journey to a healthier lifestyle now!

🌟 Lifestyle
(565)
8
Quit Smoking --~ Smoke Free
Quit Smoking --~ Smoke Free
Quit Smoking --~ Smoke Free
Stop cigarettes now !
Free

An app designed to help users quit smoking by offering a 100-day program, daily tasks, cravings help, awards for milestones, savings goals tracker, and a list of 100 reasons to not smoke. It provides Pro support through one-time purchases or subscriptions with a 3-day free trial available. Take control of your journey to a smoke-free life today!

💪 Health & Fitness
(11K)
9
Grounded: Quit Weed Smoking
Grounded: Quit Weed Smoking
Grounded: Quit Weed Smoking
Vape, smoke free STOP cannabis
Free

Tracking app designed to help users quit cannabis use and take tolerance breaks, offering support and progress monitoring. Ready to start your journey towards a smoke-free life?

💪 Health & Fitness
(5.7K)
10
Pelago Health
Pelago Health
Pelago Health
Substance use support
Free

Pelago Health offers virtual substance use support for tobacco, alcohol, and opioids through employers or benefit providers. With the app, users can access Cognitive Behavior Therapy, schedule appointments, message counselors, track progress, and more. Join 750,000 people taking action towards healthier habits today.

💪 Health & Fitness
(5.2K)
11
Escape the Vape - Quit Vaping
Escape the Vape - Quit Vaping
Escape the Vape - Quit Vaping
Quit vaping for good
Free

Track your smoke-free days and savings after quitting vaping with this app. Say goodbye to pod-based or disposable e-cigarettes like JUUL and start rebuilding a healthier life and wallet. Time to Escape the Vape - are you in?

💪 Health & Fitness
(1.8K)
12
Sunflower - Quit Any Addiction
Sunflower - Quit Any Addiction
Sunflower - Quit Any Addiction
Quit alcohol, meth, weed
Free

Track your progress in quitting drinking, smoking, or any other habit with Sunflower Sober. Say goodbye to your addictions and hello to a healthier lifestyle. Start your journey to sobriety today!

💪 Health & Fitness
(4.8K)
13
Day Counter & Tracker - Since
Day Counter & Tracker - Since
Day Counter & Tracker - Since
Count Date & Time
Free

Track the days remaining until important events with this user-friendly application. Stay organized and never miss an important date again. Download now to simplify your scheduling and planning.

📊 Productivity
(2.3K)
14
I Am Sober
I Am Sober
I Am Sober
Sobriety tracker for recovery
Free

Track your journey to sobriety with this app that offers a day counter, habit-building tools, and a supportive community sharing insights and motivation to stay sober. Pledge daily, track progress, and connect with others striving for the same goal.

🌟 Lifestyle
(180K)
15
GetHabit - Easy Habit Tracker
GetHabit - Easy Habit Tracker
GetHabit - Easy Habit Tracker
Habits Tracker for a BetterMe
Free

Introducing a personalized habit tracker focused on self-improvement and better living. Set and track habits easily, receive personalized reminders, and access progress reports for a healthier lifestyle. Start your journey to better living today with our free app and upgrade for premium features to enhance your experience. For more information, visit our website.

📊 Productivity
(6.6K)
16
IQAir AirVisual | Air Quality
IQAir AirVisual | Air Quality
IQAir AirVisual | Air Quality
Air quality, Wildfire & Pollen
Free

Monitor air quality and receive real-time updates on pollution levels and wildfires in your area with this app. Stay informed and take necessary precautions to protect your health and well-being.

☀️ Weather
(42K)
17
QuitBot: Quit Smoking Coach
QuitBot: Quit Smoking Coach
QuitBot: Quit Smoking Coach
Stop Smoking Chatbot App
Free

This scientifically-designed app helps you quit smoking for good with the support of a personalized virtual coach, offering guidance, motivation, and practical tools to manage cravings and stay focused on your goals. Download the app to start your smoke-free journey today and take the first step toward a healthier life.

💪 Health & Fitness
(3)
18
Habitify: Habit Tracker
Habitify: Habit Tracker
Habitify: Habit Tracker
Build Your Routine & Streaks
Free

Keep track of your daily habits with ease using this intuitive habit tracking app. Set goals, create custom routines, and stay motivated with progress reports and reminders. Download now to start building a better daily routine!

💪 Health & Fitness
(7K)
19
Pivot Journey
Pivot Journey
Pivot Journey
Build healthier habits
Free

Build healthier habits with our app that supports you on your journey to become smoke-free. From personalized plans to daily check-ins and expert coaching, we are here to help you quit smoking your way. Start your Pivot Journey today.

💪 Health & Fitness
(733)
20
Life Cycle - Track Your Time
Life Cycle - Track Your Time
Life Cycle - Track Your Time
Time and activities tracker
Free

Track your time and activities effortlessly with an app that automatically organizes your daily life into insightful slices, offering personalized weekly reflections and integrating with Apple Health and Sleep Cycle for a comprehensive view. Enjoy free automatic tracking with minimal battery usage or opt for premium features like backup, detailed graphs, trend comparisons, and Sleep Cycle connection for enhanced analysis and data insights. Start making the most of your time today!

💪 Health & Fitness
(39K)