One Tasks vs Calendar Widget
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
One Tasks
Organize your life with a powerful task manager that syncs across devices. Create detailed to-do lists with subtasks, set deadlines, and receive timely reminders. Leverage widgets for quick access and integrate with popular calendar and task services.
- Subtask creation
- Due dates and reminders
- Widget support
- Google Tasks sync
- Outlook/Office 365 sync
- iCloud Reminders sync
- CalDAV provider integration
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Stay on top of every task, anywhere. Seamlessly manage your to-do lists with the app trusted by millions — complete with subtasks, due dates, reminders, and handy widgets. Sync effortlessly with Google Tasks, Outlook, Office 365, iCloud Reminders, and One Calendar. Prefer more control? The app also integrates with any 3rd-party CalDAV providers, giving you full ownership of your data.
Calendar Widget
This app offers a free, user-friendly calendar experience with extensive customization options. It includes widgets for your home screen and allows for detailed event management, including recurring events and notifications. Enjoy a personalized schedule without any registration or syncing requirements.
- Home screen widgets
- No registration required
- Customizable event details
- Recurring event support
- Daily event notifications
- Unlimited calendars
- Dark mode
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It's a simple and easy-to-use calendar app. Widgets are available. All features are completely free to use. Features: - No registration required, no sync with iPhone calendar - Calendar horizontal / vertical scroll - Select calendar start / end year - 24 hour notation - Select calendar start day - Any holiday selection - Getting holidays - Holiday, days off color - Rokuyo support - Event label color - Color selection for event label font only - Event label font size, thickness - Time display on event label - Event time interval selection - Select event length - Default all-day selection - Daily event notification - Daily event number badge display - Select update time for daily notifications - Unlimited number of calendars - Calendar color - Pin the calendar - Notification for each calendar, badge availability selection - Highlight the date of the day on the calendar - Button to return to this month - Any date selection - Tap a date to add an event on that day - Select multiple dates and add events at once - Background color for calendar dates - Batch addition of background color - Event title, memo, color - Event time, all day selection - Event start time / end time - Repeat event (weekly / monthly / yearly) - Automatic save of event addition history, bookmark save - Add an event with one tap from history and bookmarks - Event list display by date - Batch event deletion, color change, sharing, - Move and duplicate events between calendars - Home screen widget support (calendar selection, this month / next month / last month selectable) - Icon badge display (number of events on the day) - Dark mode - Free URL scheme: calendarwidget://
Screenshots
Verdict
The clearest difference is ads: One Tasks at none against Calendar Widget's shown. One Tasks also leads on review sentiment (89% vs 58%) and monetization model (free vs free with in-app purchases). On price, ratings volume 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
One Tasks holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 272 and 236 respectively. Written reviews point the same way: 89% of One Tasks's written reviews are positive against 58% of Calendar Widget's.
One Tasks ships an update every 4 weeks, Calendar Widget every 2 months. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.
| Parameter | One Tasks | Calendar Widget |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (272 ratings) — better | 4.5 (236 ratings) |
| Positive reviews | 88.9% of reviews — better | 58.3% of reviews |
| Number of ratings | 272 — better | 236 |
| Update frequency | Every 4 weeks — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 60 MB | 11 MB |
| Age rating | 12+ | 4+ |
| Developer | Code Spark | FugaPiyo Inc. |
Customer experience
One Tasks
Calendar Widget
In-app purchases
One Tasks
No in-app purchases
Calendar Widget
No in-app purchases
Questions
Is One Tasks free?
Is Calendar Widget free?
Which has better reviews, One Tasks or Calendar Widget?
Do One Tasks or Calendar Widget have ads?
Which is updated more often, One Tasks or Calendar Widget?
Other comparisons
