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

This app helps you quit smoking using science-backed methods and gamification. Track your progress, manage cravings with CBT tools, and connect with a supportive community. It offers educational content and nicotine replacement tracking to guide your journey to a smoke-free life.

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
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QuitNow! screenshot 5
QuitNow! screenshot 6

This app supports individuals in their journey to quit smoking. It provides tools to track progress, offers a supportive community chat, and includes expert-led sessions and a structured course. Users can monitor health improvements, celebrate milestones, and access AI-powered advice.

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

This app offers a 6-day program to help you quit smoking and vaping without cravings or withdrawal. It uses a science-based approach, including CBT and classical conditioning, to eliminate the desire to smoke. The program includes daily sessions, exercises, and a coach to guide you towards becoming smoke-free.

6-day quit smoking programEliminates cravings and withdrawalPersonalized daily sessions
💪 Health & Fitness
(1.5K)
free with in-app purchases
5
My Last Cigarette
My Last Cigarette
My Last Cigarette
Stop Smoking, Stay Quit!
Free

This app helps users quit smoking by providing real-time statistics on health improvements and financial savings. It offers daily motivational content and detailed readouts to strengthen resolve and resist cravings.

Real-time health statisticsFinancial savings trackerNicotine and carbon monoxide levels
💪 Health & Fitness
(1.9K)
free with in-app purchases
6
Days Since: Quit Habit Tracker
Days Since: Quit Habit Tracker
Days Since: Quit Habit Tracker
Sober Time Clean Day Counter
Free

Break free from bad habits with this tracker. Create custom counters for any vice, like smoking, and visualize your progress. Stay motivated by seeing how long you've gone without giving in, helping you achieve your goals.

Custom habit countersTrack progress visuallyMotivation through tracking
💪 Health & Fitness
(18K)
free with in-app purchases
7
Puff Count: Quit Vaping Now
Puff Count: Quit Vaping Now
Puff Count: Quit Vaping Now
Track Puffs and Quit Vaping
Free

This app helps users reduce and quit vaping by tracking puff counts, nicotine levels, and progress over time. It offers features like custom quit plans, daily limits, and social support to guide users towards a healthier lifestyle.

Track PuffsTrack Mg LevelsVisualize Quit Progress
🌟 Lifestyle
(2.5K)
free with in-app purchases
8
Quit Smoking --~ Smoke Free
Quit Smoking --~ Smoke Free
Quit Smoking --~ Smoke Free
Stop cigarettes now !
Free

This app helps users quit smoking by providing a mix of information, motivation, and participation tools. It tracks progress, offers health insights, and provides daily tasks and craving assistance. Awards and savings goals further support the journey to becoming smoke-free.

Track days smoke-freeMonitor money savedHealth progress tracking
💪 Health & Fitness
(11K)
free with in-app purchases
9
Grounded: Quit Weed Smoking
Grounded: Quit Weed Smoking
Grounded: Quit Weed Smoking
Vape, smoke free STOP cannabis
Free

This app helps users quit cannabis or take a tolerance break. It offers tools to track progress, monitor withdrawal symptoms, and save money. Stay motivated with achievements and gain insights into your cravings and abstinence.

Quit cannabis trackerTolerance break trackerWithdrawal symptom tracking
💪 Health & Fitness
(5.7K)
free with in-app purchases
10
Pelago Health
Pelago Health
Pelago Health
Substance use support
Free

This app offers virtual support for individuals seeking to change their relationship with alcohol, tobacco, or opioids. It provides personalized care plans, 1:1 appointments with professionals, and access to resources like CBT to help users achieve their substance use goals.

Virtual 1:1 appointments with coaches, counselors, physiciansPersonalized care plansGoal setting and progress monitoring
💪 Health & Fitness
(5.2K)
free with in-app purchases
11
Escape the Vape - Quit Vaping
Escape the Vape - Quit Vaping
Escape the Vape - Quit Vaping
Quit vaping for good
Free

This app helps you quit vaping by tracking your progress, celebrating milestones, and connecting you with a supportive community. Monitor days smoke-free, money saved, and learn about your body's recovery. Get motivated and stay accountable on your journey to a healthier life.

Track days smoke-freeMonitor money savedUnlock achievement badges
💪 Health & Fitness
(1.8K)
free with in-app purchases
12
Sunflower - Quit Any Addiction
Sunflower - Quit Any Addiction
Sunflower - Quit Any Addiction
Quit alcohol, meth, weed
Free

This app helps users track their sobriety from various addictions through visual progression and motivational tools. It offers an AI sponsor, milestone tracking, and exercises to manage cravings and associate positive activities with reward.

Sober Days Clean TrackerAI Sponsor for 24/7 supportMilestone tracking and celebration
💪 Health & Fitness
(5.1K)
free with in-app purchases
13
Day Counter & Tracker - Since
Day Counter & Tracker - Since
Day Counter & Tracker - Since
Count Date & Time
Free

Track important dates and milestones in your life. Monitor progress on habit formation or breaking bad habits. Visualize your journey with a simple and intuitive interface.

Quit bad habitsTrack happy momentsRemember errands
📊 Productivity
(2.3K)
free with in-app purchases
14
I Am Sober
I Am Sober
I Am Sober
Sobriety tracker for recovery
Free

This app helps you track your sobriety, build new habits, and connect with a supportive community. Visualize your progress, remember your reasons for quitting, and analyze triggers to stay motivated on your recovery journey.

Sober day trackerReasons and photos for quittingDaily pledge and notes
🌟 Lifestyle
(181K)
freemium
15
GetHabit - Easy Habit Tracker
GetHabit - Easy Habit Tracker
GetHabit - Easy Habit Tracker
Habits Tracker for a BetterMe
Free

Cultivate self-improvement by creating and tracking habits for a healthier lifestyle and enhanced well-being. This app offers an intuitive interface, personalized reminders, and insightful progress reports to motivate your personal growth journey.

Comprehensive habit trackerCustomizable goalsPersonalized reminders
📊 Productivity
(6.6K)
freemium
16
IQAir AirVisual | Air Quality
IQAir AirVisual | Air Quality
IQAir AirVisual | Air Quality
Air quality, Wildfire & Pollen
Free

Access real-time and forecasted air quality data for over 500,000 locations worldwide. Understand pollutant levels, receive health recommendations, and track wildfire and pollen information to plan your day safely.

Real-time air quality data7-day air pollution forecastWorld pollution maps
☀️ Weather
(42K)
free with in-app purchases
17
QuitBot: Quit Smoking Coach
QuitBot: Quit Smoking Coach
QuitBot: Quit Smoking Coach
Stop Smoking Chatbot App
Free

This app provides a scientifically designed, chatbot-powered coach to help you quit smoking. It offers personalized guidance, motivation, and tools to manage cravings and triggers, supporting you on your journey to becoming smoke-free.

Step-by-step quit planVirtual coach chatbotCraving management tools
💪 Health & Fitness
(3)
free
18
Habitify: Habit Tracker
Habitify: Habit Tracker
Habitify: Habit Tracker
Build Your Routine & Streaks
Free

Build lasting habits and break bad ones with this comprehensive tracker. It offers smart reminders, detailed insights, and organization tools to help you improve daily. Seamlessly syncs across devices and integrates with health apps.

Track habits, routines, and goalsSmart time and location-based remindersHabit stacking for seamless transitions
💪 Health & Fitness
(7K)
freemium
19
Pivot Journey
Pivot Journey
Pivot Journey
Build healthier habits
Free

This app provides a structured plan and support to help users quit smoking at their own pace. It offers educational resources, skill-building activities, and daily check-ins to manage triggers, cravings, and maintain a smoke-free lifestyle long-term.

Personalized quit planSkill-building activitiesTrigger and craving management
💪 Health & Fitness
(733)
free
20
Life Cycle - Track Your Time
Life Cycle - Track Your Time
Life Cycle - Track Your Time
Time and activities tracker
Free

This app automatically tracks your daily activities, places visited, and social interactions. It provides weekly journals with personalized insights and historical data views to help you understand how you spend your time and make informed decisions about your habits.

Automatic background trackingLow battery consumption (<1%)Weekly journal with insights
💪 Health & Fitness
(39K)
free with in-app purchases