Onside vs Focus Stacks
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Onside
Organize your calendar events into projects to manage complex tasks and goals. Visualize progress, prioritize events, and track completion trends with intuitive project management tools.
- Organize events into projects
- Visualize project progress and trends
- Prioritize events with custom settings
- Track event status (Open, In-Progress, Completed)
- Categorize events by 'Today' and 'Upcoming'
- Add checkmarks for event completion
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We use Calendar everyday to keep our things together. But sometimes, calendar makes it more harder. Numerous events are in progress, hundreds of events are waiting for us in face of chaos. So we spend more time to manage those events effectively with many productivity system which deteriorated into productivity for productivity. What we really need is a simplest unit of ‘Project’ to use a calendar! Add Onside to your calendar. Onside does not change your calendar. It changes your life. - YOUR EVENTS IN PROJECT Project is where you can keep your events in one place. Project order all events that you’ve added to the project in time, and let you know what you should do, what you will do and how well you are doing at a glance. Creating a project at Onside is super easy and after making one, all you need to do is check and make progress. All the events in a project are ordered with time and categorized with project duration and event status information(Open, Preparing, In-Progress, Pending, Completed). You can instantly recognize what to do and what is coming up, because Onside categorize your events by “Today” and “Upcoming”. Prioritize events are essential. Onside visualize the priority of your event right next to the title. Hard to not noticing! Visualization of project at Onside is mind blowing. Onside uses the informations of events in a project and the ratio of completion to form a simple trend report for you. - BEAUTIFUL OPTIONS Onside offers beautiful options to allow you to define the event. Priority, Status, Checkmark and Cost. With these options you are now able to make your events more clear and easy to manage. - Status: There are 5 stage of status. Open, Preparing, In-Progress, Pending and Completed. With these, you can precisely manage the status of your event! - Priority: Previously, time was a mean to prioritize the event on your calendar. Which is quite complex, and even more if you have to consider other things. But from now on, set a Priority of your event. That’s it! - Checkmark: If you are seeking for perfect replacement for Reminders or other To-do apps, here is Checkmark. With Onside, every single event in your calendar can use a completion feature. The events that you “Checkmarked” will be used with other informations to inform you how well your projects are going, and what to do next. With Status and Priority, Checkmark is the most beautiful feature that Onside offers to you. FEATURES: - Project • Create project with Calendar events for your big goal. • Ability to analysis Project Progress, Duration and Working Trend Information • Ability to add new calendar event and existing events to project • Ability to analysis Event Creation Trend and Event Completion Trend • Ability to organize project items using “Today”, “Upcoming”, “Open”, “Preparing”, “In-Progress”, “Pending”, “Completed”. • An Intuitive Projects Grid view • Support tags for Project (Tag Browser will be supported in Version 1.1) - Calendar • An Intuitive Event Timeline View with Day, Month, Project and Year views • Support 7-day weather forecast in Timeline View • Create and edit events, calendar in Calendar • Ability to set Status, Priority information to calendar events • Support event completion functionality with the “Checkmark” feature • Support Filter and Search Events in Timeline View • Ability to add/update Project, Status, Priority, Use “Checkmark” by Drag and Drop • Video calls integration - Other • Widgets: Home Screen and Lock Screen widgets for Events, Projects • Works with built-in iOS Calendar • Syncing with iCloud, Google, Outlook Calendar, etc. via built-in iOS Calendar • Support iCloud Sync Terms of Use: https://t.ly/EFTMI Privacy Policy: https://t.ly/mdO81 Onside is available in a monthly or an annual subscription plan with a free trial. The subscription provides access to all the fantastic features of Onside for iOS, along with regular app updates and improvements.
Focus Stacks
Organize your tasks and ideas with a visually appealing, card-based system. Capture everything, customize with colors, add detailed notes, and sync across devices. Never let a task or idea slip away again.
- Capture every task easily
- Customize lists with colors
- Attach detailed notes to tasks
- Automatic iCloud syncing
- Card-based design
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Unleash the power of your productivity and never let another brilliant idea or must-do task slip through the cracks again! Imagine a world where every movie you've been dying to watch, every spark of inspiration for your next groundbreaking project, and every little to-do is neatly organized, not just in your mind, but right at your fingertips. Our app is crafted for the list-makers, the planners, the doers — those who thrive on keeping life seamlessly organized both at work and at home. Dive into a digital oasis of calm with our card-based design, where clutter is banished and your tasks come to life in a visually stunning, easy-to-navigate space. Say goodbye to mental overload and hello to clear, focused stacks that are as satisfying to use as they are effective. Here's what makes Focus Stacks a must-have: • Capture every task with ease, ensuring nothing important gets forgotten. • Customize your lists with a rainbow of colors to make your productivity system not only efficient but also uniquely yours. • Attach detailed notes to your tasks, from vital phone numbers to extended thoughts, making sure every piece of information is just a tap away. • With automatic, secure syncing with iCloud, your Stacks are always up-to-date across all your devices, safeguarding your progress and ideas wherever you go.
Screenshots
Verdict
The clearest difference is price: Onside at Free against Focus Stacks's $4.99. Focus Stacks's advantage is in-app purchases (none vs 2). On rating, ratings volume, update cadence and ads 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
Onside is free to download; Focus Stacks costs $4.99 up front. Onside sells 2 in-app purchases, starting at $1.49 per month. Focus Stacks asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Onside against 5.0 for Focus Stacks. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 19, 2026 and October 7, 2026 respectively.
| Parameter | Onside | Focus Stacks |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Number of ratings | 2 — better | 1 |
| Update frequency | Weekly | Weekly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium — better | Paid |
| Devices | iPhone | iPhone, Vision Pro — better |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 17 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | YoungHo Kim | Andrew Despres |
Customer experience
Onside
Focus Stacks
In-app purchases
Onside
- Monthly Subscription7 Days trial$1.491 Month
- Yearly Subscription7 Days trial$14.991 Year
Focus Stacks
No in-app purchases









