Simple Calendar vs Rizno
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple Calendar
Easily manage your events and tasks with a visually appealing calendar. Sync with Google Calendar, add color-coded events, and view weather forecasts. Includes widgets and traditional calendar support.
- Event and task creation
- Google Calendar sync
- Color-coded events
- Customizable widgets
- Weekly weather display
- Recurrence patterns
- Multiple view options
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A new event begins the moment you tap a date. It helps you create events and tasks quickly and easily, and ensures that you remember them. Decorate your home screen beautifully with the neat looking transparent widget. Key Features of Calendar Plus • Manage all your schedules at a glance by adding various Calendars, including Google Calendar. • Assign color codes to events in each calendar. • Provides various options to display including year, month, week, day and task views. • Display weekly weather information. • Set a pattern of recurrence and the time zone when you create an event. • Choose from several types of widgets with adjustable transparency. • Switch from one day, week, month or year to the next with a simple horizontal swipe. • Set up variety notifications for an event. • Holidays list of 2025 • Country wise holidays Productivity: • Different ways to view your calendar : Quickly switch between month, week and day view. • To-do : Use Reminders to create and view to-dos alongside your events. Go Traditional! • Now you can follow Panchang and Hijri calendar dates in your calendar. Sync all your calendars: • All your calendars in one place - Google Calendar works with all calendars on your phone, including Exchange. • Events from Gmail - Flight, hotel, concert, restaurant reservations and more gets added to your calendar automatically. Menstruation: • No need to download multiple applications to track your periods now you can do it with your own Calendar. Daily feeds: • Stay updated and enjoy a daily feed of jokes, horoscope, cricket schedule and weather. Get ready for your trips! • Now track upcoming long weekends and holidays to travel or do that thing you were finding time for. This app include Subscribe Calendar Plus Monthly at $1.99 and Calendar Plus Yearly at $9.99 to use ads free versions of the app for a Month and user can cancel it anytime. – Privacy Policy: https://sites.google.com/view/liam-sammy-pp – Terms of Use: https://sites.google.com/view/liam-sammy-tos Like us and stay connected!
Rizno
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Stay organized like never before - your ultimate to-do calendar app! Plan smarter, live better. Whether you're managing personal goals, school assignments, or team tasks, our powerful to-do calendar app helps you stay on track with simplicity and style. Smart Task Creation - Add tasks with a title and description - Set tasks to repeat daily or on specific weekdays, for as long as you need - Organize tasks by categories and browse a full category list Quick Add with Voice - Use speech-to-text to instantly create tasks - Automatically detects title, start and end times, and date from your voice - Customize the main add button to switch between text or voice input Calendar Sync & Event Integration - Sync all your calendars in one place — including your Apple Calendar and work and personal calendars from your email accounts — birthday events from your contacts automatically appear in the calendar. - You can choose which calendar sources appear in the app and easily hide any source from App Settings while keeping others visible. - Customize calendar source names and colors inside the app without affecting the original calendar settings. - Events are view-only inside the app. - Convert any event into an editable app task and move it to any category you choose. Bilingual Support - Fully supports English and Arabic Search and Smart Timetable - Easily search for any task by title or category - Visual timetable view - tap a time slot to add a task instantly - Show or hide the timetable as you prefer - Navigate easily through months and years Never Miss a Task - Set reminders at the task time or up to 24 hours before - Incomplete tasks are always shown on the homepage so you never miss a thing Widget and Sharing - Home screen widget shows today's tasks at a glance - Share tasks as images with your team, classmates, family, or friends Flexible Task Management - Duplicate tasks and assign different times or dates - Mark tasks complete with your own custom strikethrough style - Change task status and track your progress iCloud Sync - Your tasks are safely backed up and synced across all your Apple devices * By using this app, you agree to our Terms of Use, which can be found at the link below: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Simple Calendar at every 2 weeks against Rizno's every 2 months. Simple Calendar also leads on iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases 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. Simple Calendar sells 3 in-app purchases, starting at $1.99 per month and Rizno sells 2 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Simple Calendar ships an update every 2 weeks, Rizno every 2 months. The most recent releases landed on October 22, 2026 and October 28, 2026 respectively.
| Parameter | Simple Calendar | Rizno |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 44 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Liam Sammy | Asmaa Almarrikhi |
In-app purchases
Simple Calendar
- Calendar Plus Monthly$1.991 Month
- Calendar Plus Yearly$9.991 Year
- Calendar Universe Lifetime$19.99
Rizno
- Weekly Plan - $0.99/week7 Days trial$0.997 Days
- Monthly Plan - $2.99/mo7 Days trial$2.991 Month









