Comparison

OOO Max vs Simple Vertical Calendar Notes

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

Head to head
About

OOO Max

This app helps you plan vacations and optimize paid time off by factoring in public holidays and company closures. It allows you to visualize extended trips and coordinate with your work calendar for better work-life balance.

Highlights
  • Smart PTO optimization
  • Seamless vacation planning
  • Personalized recommendations
  • Holiday awareness
  • Calendar integration
  • Work-life balance maximization
Features
Read full description

OOO: Maximize Your Time Off with Smarter PTO Planning Take your vacations to the next level with OOO—the ultimate tool for optimizing paid time off! Whether you're looking to extend a weekend getaway, plan a long international trip, or simply make the most of company holidays, OOO helps you create the perfect schedule with minimal PTO usage. Why OOO? • Smart PTO Optimization – Identify the best days to take off by factoring in public holidays, office closures, and long weekends. • Seamless Planning – Easily visualize how to string together time off for extended vacations without using unnecessary days. • Personalized Insights – Get tailored recommendations based on your remaining PTO, upcoming holidays, and workplace policies. • Holiday Awareness – Automatically sync with national and corporate holidays to avoid wasting valuable leave. • Effortless Scheduling – Integrate with your calendar to ensure smooth coordination with work commitments. • Maximize Work-Life Balance – Plan ahead so you can recharge fully without disrupting responsibilities. Say goodbye to wasted PTO and hello to stress-free vacation planning. Download OOO today and start making every break count!

About

Simple Vertical Calendar Notes

This app offers a clear and intuitive way to manage your daily schedule. Easily switch between a monthly grid and a chronological list view, with features like holiday support and flexible recurring events.

Highlights
  • Switchable grid and list views
  • Holiday calendar support
  • Flexible recurring events
  • Powerful search function
  • Intuitive design
  • Color-coded events
Features
Read full description

A new calendar app designed for both clarity and ease of use. Seamlessly switch between a monthly grid view and a vertical scrolling list view. Make your schedule management more intuitive and comfortable. 【Key Features】 ■ Switchable Display Formats ・Grid View: A traditional calendar view that shows your entire month's schedule at a glance. ・List View: A vertical scrolling view that allows you to see your appointments in chronological order, making it easy to see what's ahead. ■ Holiday Calendar Support ・Automatically displays holidays for your country. You can easily add them from the calendar settings. ■ Flexible Recurring Events ・Set up complex recurring events with ease, such as "every Tuesday," "on the 15th of every month," or "every two weeks." ■ Powerful Search Function ・Quickly find past and future appointments with a keyword search. ■ Intuitive Design and Usability ・A simple and sophisticated design. Color-code your events to visually manage your personal and work schedules. 【Recommended for people who】 ・Find the default calendar app to be insufficient. ・Want to manage their schedule digitally with the feel of a paper planner. ・Want to manage both work and personal appointments in a single app. ・Want a clear list view to keep track of future appointments. Start your new schedule management experience with this app!

Screenshots

OOO Max4 screens
Simple Vertical Calendar Notes4 screens

Verdict

The call

The clearest difference is review sentiment: Simple Vertical Calendar Notes at 50% against OOO Max's 0%. Simple Vertical Calendar Notes also leads on rating (4.7 vs 1.0) and ratings volume (6 vs 1). On price, ads, in-app purchases and monetization model 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

Simple Vertical Calendar Notes holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Simple Vertical Calendar Notes has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of OOO Max's written reviews are positive against 50% of Simple Vertical Calendar Notes's.

Scorecard3 real differences · 7 level
OOO Max versus Simple Vertical Calendar Notes: the parameters behind the verdict, then further details
ParameterOOO MaxSimple Vertical Calendar Notes
PriceFreeFree
Rating1.0 (1 ratings)4.7 (6 ratings) — better
Positive reviews0.0% of reviews50.0% of reviews — better
Number of ratings16 — better
Update frequency—Weekly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad — better
Requires iOS18.217.0 — better
Further details — not scored
Size3 MB30 MB
Age rating4+4+
DeveloperYF Apps, LLCNaoyuki Rikiji

Customer experience

OOO Max

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Simple Vertical Calendar Notes

All ratings6 ratings
Positive83.3%
Neutral16.7%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

In-app purchases

None

OOO Max

No in-app purchases

None

Simple Vertical Calendar Notes

No in-app purchases

Questions

Is OOO Max free?
OOO Max is free to download, with no in-app purchases.
Is Simple Vertical Calendar Notes free?
Simple Vertical Calendar Notes is free to download, with no in-app purchases.
Which has better reviews, OOO Max or Simple Vertical Calendar Notes?
Simple Vertical Calendar Notes is rated higher. OOO Max averages 1.0 out of 5 from 1 ratings, while Simple Vertical Calendar Notes averages 4.7 from 6 ratings.
Do OOO Max or Simple Vertical Calendar Notes have ads?
Neither OOO Max nor Simple Vertical Calendar Notes shows ads.

Other comparisons