Comparison

To vs Vertical Calendar

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

Head to head
About

To

This task manager helps you organize your day with colorful, tag-based lists. It offers a simple, efficient interface for managing to-dos, shopping lists, and schedules with features like predictive text and customizable layouts. Turn tasks into accomplishments with a single tap.

Highlights
  • Color-coded tags for organization
  • Predictive text for quick entry
  • Customizable two or three-column layouts
  • One-tap completion and deletion
  • Dark Mode support
  • iCloud backup
Features
Read full description

Welcome to Simple ToDo List — where simplicity meets productivity. Designed for speed and ease, this to-do list app is your trusted daily companion for managing tasks, shopping lists, and schedules with vibrant, color-coded tags. No clutter. Just pure efficiency. View all your tasks and checklists by tag on a single screen — no endless swiping. Mark tasks as done with a single tap and edit your lists effortlessly. Personalize your experience by separating completed tasks, adjusting text sizes, and more. Breeze through repetitive tasks with predictive text, letting you quickly add your most-used to-dos. ● Key Features: ・Two-column layout for clear, efficient task organization ・Color-coded tags for a visually engaging experience ・One-tap deletion of completed tasks ・Editable tags for a personal touch ・Multiple text size options ・Dark Mode for comfortable viewing at night ・Predictive text based on your frequently used to-dos ・Customizable display settings ● What You Can Do: ・Create and manage to-do lists effortlessly ・Organize tasks by tags for a streamlined view ・Review and manage completed items instantly ・Comprehensive tag management: add, edit, delete, and sort ・Toggle between 2 and 3-column layouts ・Share your list via text ・Secure iCloud backup ・Haptic feedback for a satisfying tap response ・Display completed to-dos at the bottom Empower your day — turn tasks into accomplishments with just a tap. Download now and start organizing your life smarter and simpler! ■ About Premium Remove all ads with a one-time purchase — no subscription required. Reinstalling the app or switching devices? Restore your purchase for free by tapping "Restore Purchase Status" in the app. Just make sure you're signed in with your original Apple ID.

About

Vertical Calendar

This productivity app offers a vertical calendar view with customizable holiday colors, notes, and reminder notifications. It supports multiple calendars, bulk operations, and memo search, all accessible through a URL scheme. Enjoy a dark mode and adjustable font sizes for a personalized scheduling experience.

Highlights
  • Vertical calendar view
  • Holiday and day off coloring
  • Notes and color settings
  • Reminder notifications
  • Bulk operations
  • Memo search
  • Dark mode
Read full description

Vertical calendar (widget compatible). All features are completely free to use. - Vertical/multiple calendars - Holiday/day off color - Notes and color settings - Reminder notification - Color tag setting - Various bulk operations - Memo search - Font size setting - Today's event widget - dark mode URL scheme: verticalcalendar://

Screenshots

To4 screens
Vertical Calendar4 screens

Verdict

The call

The clearest difference is in-app purchases: Vertical Calendar at none against To's 1. Vertical Calendar also leads on review sentiment (100% vs 75%) and rating (4.8 vs 4.5). To's advantage is update cadence (every 3 weeks vs every 5 months) and iOS requirement (18.0 vs 26.0). On price, ratings volume, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. To sells 1 one-off in-app purchase. Vertical Calendar asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Vertical Calendar holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 6 and 6 respectively. Written reviews point the same way: 75% of To's written reviews are positive against 100% of Vertical Calendar's.

UpkeepUpdate frequency

To ships an update every 3 weeks, Vertical Calendar every 5 months. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

Scorecard6 real differences · 4 level
To versus Vertical Calendar: the parameters behind the verdict, then further details
ParameterToVertical Calendar
PriceFreeFree
Rating4.5 (6 ratings)4.8 (6 ratings) — better
Positive reviews75.0% of reviews100.0% of reviews — better
Number of ratings66
Update frequencyEvery 3 weeks — betterEvery 5 months
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhoneiPhone, iPad — better
Requires iOS18.0 — better26.0
Further details — not scored
Size15 MB10 MB
Age rating4+4+
DeveloperTyabaAppFugaPiyo Inc.

Customer experience

To

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews24 reviews
Positive75.0%
Neutral12.5%
Negative12.5%

Vertical Calendar

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

To

One-time1
  • Hide Ads$4.99
None

Vertical Calendar

No in-app purchases

Questions

Is To free?
To is free to download, with in-app purchases available.
Is Vertical Calendar free?
Vertical Calendar is free to download, with no in-app purchases.
Which has better reviews, To or Vertical Calendar?
Vertical Calendar is rated higher. To averages 4.5 out of 5 from 6 ratings, while Vertical Calendar averages 4.8 from 6 ratings.
Do To or Vertical Calendar have ads?
Both To and Vertical Calendar show ads.
Which is updated more often, To or Vertical Calendar?
To ships an update every 3 weeks, and Vertical Calendar every 5 months. Most recently, To was updated on October 15, 2026 and Vertical Calendar on October 13, 2026.

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