Unique Days vs Stacked
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unique Days
Easily track and countdown to important dates with a user-friendly interface and customizable widgets. Visualize upcoming events with a calendar view and enjoy local data storage for privacy and offline access.
- Home screen widgets
- Countdown timers
- Event reminders
- Customizable backgrounds
- Calendar view
- Local data storage
- Intuitive interface
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[Widget Feature] Use the widget to display important days directly on your iPhone’s home screen, making it easy to view and never forget those key moments. [Countdown Timer] A clean and simple design that makes it easy to record and view important dates, with support for event reminders and customizable background images. [Calendar View] A calendar view that helps you easily visualize upcoming important days, making it effortless to plan for special occasions. [Local Data Storage] All countdown data is stored locally, so you can access and manage your important dates without needing an internet connection. Your data is kept safe, ensuring that your memories are private and known only to you. [Simple & Easy to Use] With an intuitive and user-friendly interface, adding and managing important dates is a breeze. Whether you’re setting countdowns or checking your calendar, everything is quick and easy to do.
Stacked
Build powerful daily routines and track habits with this all-in-one task manager. Combine tasks and habits into customized routines, receive step-by-step guidance, and monitor progress. Offers free and premium features to enhance productivity and time management.
- Create customizable routines
- Step-by-step routine guidance
- Track habits and tasks together
- Flexible task types (free/premium)
- Progress tracking and statistics
- Custom notifications and reminders
- Habit stacking technique integration
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Transform Your Productivity with Stacked – Free and Premium Features Available! Stay on track and build powerful daily routines with Stacked, the all-in-one habit tracker and task manager designed to help you achieve your goals. Whether you’re focusing on self-improvement, establishing new habits, or organizing your to-do list, Stacked provides the structure and motivation you need. Key Features 1. Create Routines with Ease • Combine tasks and habits into customized routines, perfect for morning rituals, fitness plans, study sessions, or healthy lifestyle changes. 2. Step-by-Step Guidance • Start your routine with a single tap. Let Stacked guide you through each step with clear instructions and timed tasks to keep you on schedule. 3. Habits & Tasks in One App • Track everything in one place—daily chores, recurring habits, personal growth goals, or work deadlines. Stay organized and never miss a thing. 4. Flexible Task Types • Free: Add simple tasks to boost concentration. • Premium: Unlock timed tasks to enhance focus and prevent procrastination. (Available through in-app purchases) 5. Powerful Progress Tracking • Free: Access basic progress tracking to monitor your daily achievements. • Premium: Unlock detailed statistics and advanced progress reports to analyze your habits. (Available through in-app purchases) 6. Custom Notifications & Reminders • Free: Receive standard reminders for your routines. • Premium: Set personalized notifications and advanced reminders to stay effortlessly on track. (Available through in-app purchases) 7. Built-in Habit Stacking Technique • Apply the proven habit stacking method: link new habits to existing routines and watch consistency become second nature. 8. User-Friendly Interface • Intuitive design makes it easy for anyone to get started. Seamless navigation helps you organize routines with zero hassle. Why Choose Stacked? • Boost Productivity: Focus on what matters most by creating structured routines. • Enhance Time Management: Timed tasks help you stay on track and meet goals. (Premium Feature) • Foster Healthy Habits: Track progress in real-time and watch your success grow. • Stay Motivated: In-app reminders and progress tracking keep you moving forward. Free vs. Premium Free Version Includes: • Up to 5 routine sessions • Basic statistics • Limited color schemes • Basic routine scheduling options Upgrade to Premium to Unlock: • Unlimited routine sessions • Advanced and detailed statistics • Additional color schemes for customization • Enhanced routine scheduling options • Timed tasks and personalized notifications Download Stacked for free today and take the first step toward a more productive, balanced, and fulfilling life! Upgrade to Premium anytime to unlock all features and maximize your productivity. Privacy Policy: https://heystacked.app/privacy Terms of service: https://heystacked.app/terms
Screenshots
Verdict
The clearest difference is review sentiment: Unique Days at 100% against Stacked's 67%. Unique Days also leads on update cadence (monthly vs every 7 months) and rating (5.0 vs 4.6). Stacked's advantage is ratings volume (13 vs 2). On price, ads, in-app purchases and monetization model 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
Both are free to download. Unique Days sells 1 one-off in-app purchase and Stacked sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Unique Days holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Stacked has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Unique Days's written reviews are positive against 67% of Stacked's.
Unique Days ships an update monthly, Stacked every 7 months. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.
| Parameter | Unique Days | Stacked |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.6 (13 ratings) |
| Positive reviews | 100.0% of reviews — better | 66.7% of reviews |
| Number of ratings | 2 | 13 — better |
| Update frequency | Monthly — better | Every 7 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 61 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | 培钦 康 | Tip Tap Apps |
Customer experience
Unique Days
Stacked
In-app purchases
Unique Days
- 终身会员$0.99
Stacked
- Stacked Prime Monthly$3.991 Month
- Stacked Prime Yearly$17.991 Year
- Stacked Prime Lifetime$39.99








