Comparison

Onside vs VaultSage

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
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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.

About

VaultSage

Features
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Leverage individual files as a knowledge generation source through AI, opening new possibilities for work efficiency. Privacy policy & Terms of service https://vaultsage.ai/privacy-terms

Screenshots

Onside4 screens
VaultSage4 screens

Verdict

The call

The clearest difference is update cadence: Onside at weekly against VaultSage's fortnightly. VaultSage's advantage is device support (4 vs 1). On price, ads, in-app purchases and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Onside sells 2 in-app purchases, starting at $1.49 per month and VaultSage sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Onside ships an update weekly, VaultSage fortnightly. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

Scorecard2 real differences · 7 level
Onside versus VaultSage: the parameters behind the verdict, then further details
ParameterOnsideVaultSage
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyWeekly — betterFortnightly
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhoneiPhone, iPad, iPod, Mac — better
Requires iOS16.015.5 — better
Further details — not scored
Size17 MB32 MB
Age rating4+4+
DeveloperYoungHo KimNURIE AI

In-app purchases

2 purchases

Onside

Subscriptions2
  • Monthly Subscription7 Days trial$1.491 Month
  • Yearly Subscription7 Days trial$14.991 Year
2 purchases

VaultSage

Subscriptions2
  • Individual Monthly$12.991 Month
  • Individual Yearly$127.991 Year

Questions

Is Onside free?
Onside is free to download, with in-app purchases available.
Is VaultSage free?
VaultSage is free to download, with in-app purchases available.
Do Onside or VaultSage have ads?
Neither Onside nor VaultSage shows ads.
Which is updated more often, Onside or VaultSage?
Onside ships an update weekly, and VaultSage fortnightly. Most recently, Onside was updated on November 3, 2026 and VaultSage on November 8, 2026.

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