Sisyphus Tasks vs Stack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sisyphus Tasks
This app helps you manage your tasks and events in one place, offering quick ways to add, edit, and organize your schedule. It provides customizable alerts and powerful search to ensure you never forget important items.
- Drag and drop event management
- Quick event creation
- Duplicate events for schedules
- Contextual actions for common tasks
- Automatic task sorting
- Customizable alerts
- Powerful search functionality
Read full descriptionHide full description
Never forget anything again! Sisyphus keeps all your tasks and events in one place and gives you full control over your day. All you need to do is write it down and Sisyphus remembers it for you. Manage your agenda faster and without friction. Not only can you add new items quickly, but you can also edit them in seconds: • Move items by simply dragging them to a date or list. • Tap and hold any day in the timeline or month view to create a new entry. • Enter your shift or class schedule in record time by duplicating events. Common actions are no longer a chore. Join a meeting with a tap or quickly skip a recurring to-do with additional useful context actions available everywhere. TASK MANAGER: All of your tasks are automatically sorted for you. Planning your open tasks is easy when you can see them at a glance. ORGANIZER: Choose colors and icons for your work or school calendars and grocery or project lists. Drag and drop them into any order you like. CONTACTS: Birthdays and anniversaries are shown right in your agenda and new contacts can be easily added. ALARM CLOCK: Get reminded before or after an event, at a date or at a location with highly customizable alerts. From your contacts' birthdays to your daily medication, Sisyphus can notify you about anything you want to remember. JOURNAL: The powerful search lets you find the date of any past event or when you completed a task, no matter how long ago it was.
Stack
Organize your tasks, meetings, and events efficiently with this powerful time management tool. Set priorities, track progress, and receive customizable reminders to ensure you never miss a deadline. Boost productivity for both work and personal life.
- Quickly add and organize tasks
- Set priorities and deadlines
- Customizable reminders
- Monitor task completion
- Plan recurring events
- Unlimited task creation (premium)
Read full descriptionHide full description
Know what to do next. Turn your to-do list into a plan for the day. Give each task a time, see what fits, and focus on one thing at a time. PLAN YOUR DAY See your tasks on a timeline, with clear start and end times. Drag to reschedule and spot the free time between tasks. KEEP YOUR PLANS IN VIEW Check your day from your Home Screen with widgets. Follow your current focus session with Live Activities, without returning to the app. FOCUS ON ONE TASK Start a focus timer for the task in front of you. Pause when you need to, adjust the time, and mark it done when you finish. ADD TASKS IN SECONDS Choose a time and duration, add a note, and set a reminder. See your other tasks as you plan, so you can avoid overlapping schedules. PLAN ONCE, REPEAT AS NEEDED Set recurring tasks for your regular commitments. Change one day or update future repeats without rebuilding your schedule. From your first task to your last, know what’s planned, what’s done, and what comes next. A paid subscription is required to access all features. Subscriptions renew automatically at the end of the selected subscription period unless canceled. You can manage or cancel your subscription in your Apple Account settings.
Screenshots
Verdict
The clearest difference is in-app purchases: Sisyphus Tasks at none against Stack's 12. Stack's advantage is review sentiment (100% vs 75%) and update cadence (every 3 weeks vs every 2 months). On price, ads and device support 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. Stack sells 12 in-app purchases, starting at $2.99 per 7 days. Sisyphus Tasks asks for nothing beyond the download.
Sisyphus Tasks ships an update every 2 months, Stack every 3 weeks. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.
| Parameter | Sisyphus Tasks | Stack |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) — better | — |
| Positive reviews | 75.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 6 — better | — |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.0 | 16.2 — better |
| Further details — not scored | ||
| Size | 30 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | Gregor Hermanowski | MAPPVATE YAZILIM LIMITED SIRKETI |
Customer experience
Sisyphus Tasks
Stack
In-app purchases
Sisyphus Tasks
No in-app purchases
Stack
- Weekly Premium3 Days trial$2.997 Days
- Weekly Membership3 Days trial$4.997 Days
- Weekly Premium$4.997 Days
Show 9 moreShow fewer
- Monthly Premium3 Days trial$5.991 Month
- Weekly Plan$7.997 Days
- Monthly Membership3 Days trial$9.991 Month
- Monthly Premium$9.991 Month
- Monthly Plan$14.991 Month
- Annual Premium3 Days trial$19.991 Year
- Annual Premium$19.991 Year
- Yearly Plan$49.991 Year
- Yearly Membership3 Days trial$59.991 Year
Questions
Is Sisyphus Tasks free?
Is Stack free?
Do Sisyphus Tasks or Stack have ads?
Which is updated more often, Sisyphus Tasks or Stack?
Other comparisons















