90 Day Challenge vs HabitStable
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
90 Day Challenge
Build lasting habits with a personalized 90-day program tailored to your lifestyle and goals. This offline-first app offers custom tasks for sleep, water, exercise, and more, with progressive challenges and visual progress tracking.
- Personalized 90-day habit program
- Customized daily tasks
- Progressive difficulty
- Offline functionality
- Visual progress tracking
- Focus on sleep, water, exercise, and screen time
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Science shows it takes 90 days to form lasting habits. Resettr harnesses this research to deliver a personalized habit-building program designed specifically for your lifestyle and goals. No more generic advice or one-size-fits-all solutions – just a tailored 90-day journey to the life you want. YOUR PERSONALIZED LIFE RESET Answer a few questions about your current habits and select your primary goal. Our intelligent algorithm instantly creates your custom 90-day program targeting key areas: Sleep, Water, Exercise, Mind, Screen Time, and more. Each task is specifically chosen to help you progress steadily toward meaningful change. WORKS ANYWHERE, ANYTIME Unlike other habit apps that require constant internet connectivity, Resettr works completely offline after subscription. Perfect for travel, remote areas, or simply saving your data. Your entire program is stored locally on your device for seamless access whenever you need it. KEY FEATURES • Personalized 90-Day Program: Tailored daily tasks based on your questionnaire responses • Progressive Challenge: Task difficulty increases gradually as your habits strengthen • Progress Tracking: Monitor your journey with visual progress indicators • Complete Offline Access: Full functionality without internet after subscription WHY 90 DAYS? Research found that it takes an average of 90 days for a new behavior to become automatic. Resettr is built on this science, providing the perfect timeframe to transform occasional actions into lifelong habits. AREAS OF IMPROVEMENT: • Sleep quality and routines • Hydration habits • Exercise consistency • Mental wellness practices • Screen time management • Personal hygiene • And more! Start your transformation today with Resettr. Small, consistent changes lead to remarkable results – and your new life is just 90 days away. Privacy First: • 100% offline - all data stays on your device • No account needed • No cloud sync • Your data is yours only. SUBSCRIPTION INFORMATION Full access to all features is only available in the Resettr paid subscription plan (Monthly/Yearly) When you purchase a subscription, please be aware of the following: - Payment will be charged to Apple Account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's App Store Account Settings after purchase Terms of service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://doc-hosting.flycricket.io/resettr-privacy-policy/0980682e-a5f9-4959-9ce7-966ea9f352fa/privacy
HabitStable
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HabitStable helps you build better habits and achieve your goals — one day at a time. Creating lasting habits doesn't have to be complicated. HabitStable gives you a simple, clean, and motivating way to track your daily habits and personal goals. Whether you want to exercise more, read daily, wake up earlier, or improve your productivity, HabitStable keeps you consistent and focused. WHY HABITSTABLE? Most habit trackers are boring checklists. HabitStable transforms habit-building into an engaging journey where your progress is reflected through your horse companion. Miss a day? Your horse notices. Stay consistent? Watch it thrive. KEY FEATURES: • Gamified Habit Tracking: Your horse companion evolves based on your consistency • Smart Streaks: Build momentum with streak tracking and streak shields • Custom Goals: Set daily, weekly, or monthly habits with flexible scheduling • Beautiful Analytics: Visualize your progress with detailed charts and insights • Gentle Reminders: Smart notifications that motivate without overwhelming • Multiple Habits: Track fitness, reading, meditation, water intake, and more • Dark Mode: Easy on the eyes, day and night • Privacy First: Your data stays on your device PERFECT FOR: • Building a morning or evening routine • Tracking health and fitness goals • Developing mindfulness and meditation habits • Staying productive with daily task completion • Anyone who loves the motivation of caring for a virtual companion Start your journey to better habits today. Your horse is waiting! Download HabitStable now and transform the way you build habits.
Screenshots
Verdict
90 Day Challenge and HabitStable are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. 90 Day Challenge sells 5 in-app purchases, starting at $1.99 per month and HabitStable sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
90 Day Challenge ships an update monthly, HabitStable every 2 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | 90 Day Challenge | HabitStable |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (16 ratings) — better | — |
| Number of ratings | 16 — better | — |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 87 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | John Kevin Basco | Gurkan Gul |
In-app purchases
90 Day Challenge
- monthly$1.991 Month
- Yearly - Bonus$4.491 Year
- Monthly Pro$7.991 Month
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- yearly$14.991 Year
- Yearly Pro$29.991 Year
HabitStable
- HabitStable Pro - Monthly$1.991 Month
- HabitStable Pro - Yearly$7.991 Year
Questions
Is 90 Day Challenge free?
Is HabitStable free?
Do 90 Day Challenge or HabitStable have ads?
Which is updated more often, 90 Day Challenge or HabitStable?
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