Software Alternatives, Accelerators & Startups

Simple Calendar VS Margin.computer

Compare Simple Calendar VS Margin.computer and see what are their differences

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Simple Calendar logo Simple Calendar

A simple calendar with events (optional recurring and reminders), week numbers and a customizable...

Margin.computer logo Margin.computer

Free Chrome extension that pulls your Canvas assignments and due dates into one calm view of the week ahead, with optional send to Todoist.
  • Simple Calendar Landing page
    Landing page //
    2023-01-20
  • Margin.computer Landing page
    Landing page //
    2026-08-04

Margin is a calm semester planner for college students on Canvas LMS. It reads your Canvas courses in your browser and collects your assignments and due dates into one clean view - everything due, nothing else - so you stop clicking through six course pages to find out what's coming.

How it works

  • Install the Chrome extension and open your school's Canvas as usual; Margin reads your own signed-in session.
  • Your assignments and due dates appear in one calm, notebook-styled list.
  • Overdue work stays visible instead of quietly dropping off (Canvas's own to-do feed only shows a narrow window).
  • Standard iCal calendar feeds can appear alongside Canvas in the same view.
  • If you use Todoist, send assignments across as tasks in a project of your choosing. The connection is opt-in; the view works without it.

Pricing

  • Free tier, permanent: keeps the week ahead current. No card, no trial clock.
  • Margin Pass: $9.99 for one semester, one-time, does not auto-renew. Extends the view to the whole term.

Built by a student who needed it. A companion e-paper desk display is in development.

Simple Calendar features and specs

  • Open Source
    Simple Calendar is open source, meaning the source code is publicly accessible. This transparency allows users to verify the security of the app and contribute to its development.
  • Privacy-Focused
    The app does not collect or share user data, which ensures a high level of privacy for users.
  • Ad-Free Experience
    Simple Calendar does not display ads, providing a cleaner and more user-friendly experience.
  • Offline Functionality
    The app can function fully offline, making it useful for users without consistent internet access.
  • Customizable
    Users can customize the look and feel of the calendar, including themes and colors, to suit their preferences.
  • Lightweight
    Simple Calendar is lightweight and does not consume significant device resources, ensuring smooth performance on a wide range of devices.
  • Integration with Other Simple Mobile Tools Apps
    It integrates well with other apps from Simple Mobile Tools, like Simple Contacts and Simple Notes, creating a more cohesive user experience.

Possible disadvantages of Simple Calendar

  • Limited Advanced Features
    Compared to some paid calendar apps, Simple Calendar lacks advanced features such as task management, event templates, and detailed recurring event options.
  • No Cloud Sync
    Simple Calendar does not offer built-in cloud synchronization across devices, which may be a drawback for users who want to access their calendar from multiple devices.
  • Lack of Integration with Popular Calendar Services
    The app does not offer seamless integration with popular calendar services like Google Calendar or Microsoft Outlook by default.
  • Learning Curve for Customization
    While the app is customizable, the process to set it up according to personal preferences can be confusing and time-consuming for some users.
  • Basic User Interface
    The user interface is simple and functional but may appear too basic and less aesthetically pleasing to users accustomed to more polished apps.

Margin.computer features and specs

  • Canvas sync
    Reads your Canvas courses in your own browser session and collects assignments and due dates into one calm view. Overdue items stay visible.
  • Todoist send
    Optional: send assignments to Todoist as tasks in a project you choose. Opt-in; the view works without it.
  • Calendar feeds
    Standard iCal feeds from your school or other tools appear alongside Canvas in the same view.
  • Free tier
    Permanent, no card: keeps the week ahead current. The Margin Pass ($9.99 per semester, one-time, non-renewing) extends the view to the whole term.
  • Calm by design
    Notebook-styled interface. No streaks, no gamification, no attention-seeking notifications - open it, see what is due, get back to work.

Analysis of Simple Calendar

Overall verdict

  • Yes, Simple Calendar by Simple Mobile Tools is generally considered a good app.

Why this product is good

  • Open Source: It is an open-source application, which means the code is available for anyone to inspect, providing more transparency and security.
  • Privacy-Focused: Simple Calendar doesn't require unnecessary permissions or internet access, ensuring user privacy.
  • No Ads: The app is ad-free, providing a cleaner user experience.
  • User-Friendly: Designed to be straightforward, it's easy to navigate and use.
  • Customizable: Offers various customization options such as themes and widgets.

Recommended for

  • Users who value privacy and want a calendar app without data tracking.
  • Individuals looking for an ad-free scheduling experience.
  • Those who prefer customizable features to tailor the app to their liking.
  • Open-source enthusiasts who support community-driven projects.

Simple Calendar videos

Simple Calendar Android App Review (Widget)

More videos:

  • Review - Simple Calendar Pro Promo Video

Margin.computer videos

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Category Popularity

0-100% (relative to Simple Calendar and Margin.computer)
Calendar
100 100%
0% 0
Weekly Planner
0 0%
100% 100
Appointments and Scheduling
Student Information System

Questions & Answers

As answered by people managing Simple Calendar and Margin.computer.

Why should a person choose your product over its competitors?

Margin.computer's answer:

Classic student planners like My Study Life or myHomework are good at manual entry - you type each assignment in yourself. Margin removes that step for Canvas schools: it reads your courses and fills the list for you. Compared with extensions that restyle the whole Canvas interface, Margin does one job - everything due, in one calm view. The free tier is genuinely permanent (it keeps your week ahead current, no card), and the Margin Pass is a one-time $9.99 per semester that does not auto-renew, which is rare in a subscription-heavy category.

What makes your product unique?

Margin.computer's answer:

Most student planners make you type every assignment in by hand. Margin fills itself: it reads your Canvas courses in your browser and keeps your assignments and due dates in one calm view - everything due, nothing else. Two details set it apart. Overdue work stays visible instead of quietly dropping off the list (Canvas's own to-do feed only shows a narrow window, which is how deadlines get missed). And calm is treated as a feature: no streaks, no gamification, no notifications begging for attention. Assignments can optionally be sent to Todoist.

How would you describe the primary audience of your product?

Margin.computer's answer:

College students at schools that run Canvas LMS - anyone juggling four to six courses who is tired of clicking into each one to find out what is due. It suits students who want a quiet list rather than another productivity system to maintain: open it, see what is coming, get back to work. Students who already live in Todoist can send assignments across; everyone else needs nothing beyond the extension.

What's the story behind your product?

Margin.computer's answer:

Margin started as a personal tool. A college student kept finding out about deadlines later than he should have, even though they were technically in Canvas the whole time - just spread across course pages and a to-do feed that only shows a narrow window. He built the single view he wanted, and it grew into a proper extension. The notebook look - cream paper, one red margin line - is deliberate: a planner should lower your pulse, not raise it. It shipped on the Chrome Web Store in July 2026, with a small e-paper desk display for the same calm list in development alongside it.

Which are the primary technologies used for building your product?

Margin.computer's answer:

A Chrome extension on Manifest V3, built in plain JavaScript with no heavyweight framework - it reads Canvas through the student's own signed-in browser session. The optional Todoist connection uses the Todoist API. The companion desk display in development runs on e-paper. The guiding constraint throughout is smallness: a quiet tool that does one job.

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Simple Calendar and Margin.computer

Simple Calendar Reviews

The best third-party file managers for Android
Keep it simple with Simple File Manager Pro. Like Solid Explorer, the app is designed within the Material Design schematic, including using one floating action button to add a new file or folder. Simple File Manager Pro only works with localized files, however, and though it doesn't offer access to exterior cloud accounts, you can navigate root files, SD cards, and USB files...
The 13 best calendar apps for Android and iOS help you organize a chaotic day
Simple might be as simple does, but that doesnโ€™t always have to be an insult. In the case of Simple Calendar, it wears its simplicity on its sleeve, proud for the world to see it in all its glory. Simple Calendar is exactly that โ€” a simple way for you to see all of your upcoming appointments, meetings, or tasks on a simple calendar interface. Where Simple Calendar differs...

Margin.computer Reviews

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Social recommendations and mentions

Based on our record, Simple Calendar seems to be more popular. It has been mentiond 100 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Simple Calendar mentions (100)

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Margin.computer mentions (0)

We have not tracked any mentions of Margin.computer yet. Tracking of Margin.computer recommendations started around Aug 2026.

What are some alternatives?

When comparing Simple Calendar and Margin.computer, you can also consider the following products

Google Calendar - Spend less time managing your day & more time enjoying it

Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.

Morgen.so - All-in-one Calendar, Tasks & Scheduler. Morgen is the single hub for everything that revolves around time management.

My Study Life - A free cross platform planner app for students, teachers and lecturers designed to make your study life easier to manage.

Calendar Lock PEA - Calendar Lock PEA is an encrypted desktop calendar with a day, week and month view. The shown calendars are never stored unencrypted on your disk, but exist only in the RAM. Platform-independent, Open Source, no installation or registration required.

MyHomework - myHomework is an app where students can manage their school life.