Comparison

Vertical Calendar vs StickyOS

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

Head to head
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://

About

StickyOS

This app helps contractors manage projects, communicate with teams, and stay organized. It offers features like real-time project updates, AI summaries, property-based messaging, and task checklists. Built for efficiency, it aims to streamline operations from start to finish.

Highlights
  • Streamlined project list with real-time updates
  • AI-generated summaries
  • Property-based messaging with photo sharing
  • Task checklists for progress tracking
  • One-tap access to maps and team calls
  • Live company wiki
  • Integrated storage drive connection
Features
Read full description

StickyOS – Built for Contractors. Powered by Progress. StickyOS transforms the way contractors manage projects, communicate with teams, and stay organized—all in one powerful app. Whether you're on-site or in the office, StickyOS keeps your business moving forward. Key Features: Streamlined project list with real-time updates AI-generated summaries for quick overviews Property-based messaging with photo sharing Task checklists to track progress with ease One-tap access to maps and direct team calls Live company wiki for shared knowledge Integrated storage drive connection From the first blueprint to the final inspection, StickyOS helps you build smarter, faster, and better. Start running your company the StickyOS way—where everything sticks, and nothing slips. Download StickyOS today and take control of your contracting business.

Screenshots

Vertical Calendar4 screens
StickyOS3 screens

Verdict

The call

The clearest difference is rating: Vertical Calendar at 4.9 against StickyOS's 4.2. StickyOS's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 5 months). On price, review sentiment, ratings volume and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Vertical Calendar holds the better App Store score, 4.9 against 4.2. Both are backed by a comparable volume of ratings — 8 and 9 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Vertical Calendar ships an update every 5 months, StickyOS every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard5 real differences · 5 level
Vertical Calendar versus StickyOS: the parameters behind the verdict, then further details
ParameterVertical CalendarStickyOS
PriceFreeFree
Rating4.9 (8 ratings) — better4.2 (9 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings89 — better
Update frequencyEvery 5 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS26.015.6 — better
Further details — not scored
Size10 MB34 MB
Age rating4+4+
DeveloperFugaPiyo Inc.Abbeton, LLC

Customer experience

Vertical Calendar

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

StickyOS

All ratings9 ratings
Positive77.8%
Neutral0.0%
Negative22.2%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Vertical Calendar

No in-app purchases

None

StickyOS

No in-app purchases

Questions

Is Vertical Calendar free?
Vertical Calendar is free to download, with no in-app purchases.
Is StickyOS free?
StickyOS is free to download, with no in-app purchases.
Which has better reviews, Vertical Calendar or StickyOS?
Vertical Calendar is rated higher. Vertical Calendar averages 4.9 out of 5 from 8 ratings, while StickyOS averages 4.2 from 9 ratings.
Do Vertical Calendar or StickyOS have ads?
Vertical Calendar shows ads; StickyOS does not.
Which is updated more often, Vertical Calendar or StickyOS?
Vertical Calendar ships an update every 5 months, and StickyOS every 3 weeks. Most recently, Vertical Calendar was updated on November 3, 2026 and StickyOS on November 4, 2026.

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