Comparison

66 Days vs Focus Buddy

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

Head to head
About

66 Days

This app helps you build lasting habits by encouraging daily repetition over a 66-day period. Set project-specific goals and track your progress with features like memos, photos, and notifications.

Highlights
  • 66-day habit building system
  • Project-based goal setting
  • Daily progress tracking
  • Memo and photo recording
  • Dark mode support
  • Push notifications
Features
Read full description

According to a landmark study by University College London (UCL), it takes an average of 66 days for a new behavior to become an automatic, lifelong habit. You don't need extreme willpower or superhuman effort. By repeating small, consistent actions every day, your brain naturally transforms them into effortless routines. 66 Days is designed to help you organize your life goals into actionable projects, maintain daily streaks, and conquer the 66-day milestone to transform your lifestyle. [ 66 Days Key Features ] 1. Project-Based Habit Building • Set meaningful goals like 'Lose 10 kg' or 'Read 20 Books' and attach daily micro-actions (e.g., 30 push-ups, read 15 mins). • Completing just one habit action per day keeps your streak alive! 2. Break Bad Habits & Quit Tracker • Track your clean streaks for quitting smoking, junk food, procrastination, or screen time. • Log reflections when overcoming cravings and watch your milestone gauges grow. 3. Insightful Analytics & Milestones • Visualize your consistency with heatmap calendars, weekly trends, and overall statistics. • Reach 66 days to enshrine your achievement in the permanent 'Success Collection' and unlock badges. 4. Personalized Cards & iOS Widgets • Customize each habit card with custom photos, elegant color palettes, and blur themes. • Stay on top of your daily routines directly from your Home Screen with beautiful widgets. 5. Privacy & Biometric Lock • Keep your personal habit journal safe with Face ID and Touch ID biometric locking. 6. Lifetime Access & Premium • Unlock all premium features permanently with a single one-time purchase—no subscription stress. Start today. In 66 days, you will meet a completely new version of yourself! Terms of Use (EULA): https://66days.epipherse.com/terms/ Privacy Policy: https://66days.epipherse.com/privacy/

About

Focus Buddy

Features
Read full description

Focus better. Start small. Keep going. Focus Buddy is your personal ADHD focus companion for turning overwhelming days into small, doable steps. Stay focused with a visual focus timer, build routines that actually stick, organize your tasks, check in with your mood, and get a little encouragement from Pip along the way. YOUR PERSONAL AI COACH Feeling overwhelmed or stuck? Your AI Coach helps you slow things down, break tasks into manageable steps, and choose what to do next. • Get personalized support when you need it • Organize your day • Start a focus session • Check in with your mood • Build a morning or evening routine A FOCUS TIMER MADE FOR ADHD When getting started is the hardest part, Focus Buddy gives you a simple structure to begin. • Visual focus timer • Focus sprints • Built-in breaks • Simple, distraction-free sessions • Progress you can see BUILD ROUTINES THAT STICK Turn everyday habits into simple routines. Create your own steps, choose when to do them, and check them off one by one. From getting started in the morning to winding down at night, make routines feel manageable instead of overwhelming. TASKS WITHOUT THE OVERWHELM Break your to-dos into clear, actionable steps. Set priorities, track what matters, and celebrate each completed task. TRACK YOUR PROGRESS Small wins add up. Earn XP, build streaks, unlock achievements, and watch your progress grow over time. No pressure. No leaderboard. Just you, your goals, and Pip. MEET PIP — YOUR FOCUS BUDDY Pip is here to keep you company, celebrate your wins, and help you keep moving when your motivation runs low. Focus Buddy brings your focus timer, AI coach, routines, tasks, mood tracking, and rewards together in one supportive ADHD productivity app. Start with one small step. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://get.koza-lab.co/focusbuddy/privacy/

Screenshots

66 Days4 screens
Focus Buddy4 screens

Verdict

The call

The clearest difference is update cadence: Focus Buddy at every 2 weeks against 66 Days's every 3 weeks. Focus Buddy also leads on iOS requirement (16.0 vs 18.0). 66 Days's advantage is device support (3 vs 1). On price, ads and in-app purchases 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. 66 Days sells 5 in-app purchases, starting at $1.99 per month and Focus Buddy sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

66 Days ships an update every 3 weeks, Focus Buddy every 2 weeks. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

Scorecard3 real differences · 7 level
66 Days versus Focus Buddy: the parameters behind the verdict, then further details
Parameter66 DaysFocus Buddy
PriceFreeFree
Rating4.1 (9 ratings) — better—
Positive reviews72.9% of reviews—
Number of ratings9 — better—
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS18.016.0 — better
Further details — not scored
Size19 MB31 MB
Age rating4+4+
DeveloperEpiphersePT. KOZA LAB CONSULTING

In-app purchases

5 purchases

66 Days

Subscriptions3
  • Premium 1 Month$1.991 Month
  • Premium 3 Month$4.993 Months
  • Premium 1 Year$9.991 Year
One-time2
  • Project Streak Recovery$2.99
  • Premium Lifetime$22.99
2 purchases

Focus Buddy

Subscriptions2
  • Weekly Premium$3.997 Days
  • Yearly Premium$19.991 Year

Questions

Is 66 Days free?
66 Days is free to download, with in-app purchases available.
Is Focus Buddy free?
Focus Buddy is free to download, with in-app purchases available.
Do 66 Days or Focus Buddy have ads?
Neither 66 Days nor Focus Buddy shows ads.
Which is updated more often, 66 Days or Focus Buddy?
66 Days ships an update every 3 weeks, and Focus Buddy every 2 weeks. Most recently, 66 Days was updated on October 25, 2026 and Focus Buddy on October 9, 2026.

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