Comparison

Simple Calendar・Schedule app vs Clog

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

Head to head
About

Simple Calendar・Schedule app

This app offers a streamlined calendar experience, focusing on essential features for easy event management. It's designed for users who prefer simplicity and a clean interface over complex functionalities. Get organized with core calendar tools and helpful notifications.

Highlights
  • Calendar view
  • Event creation
  • Search functionality
  • Notifications
  • Holiday tracking
  • Customizable styles
  • Data backup
Features
Read full description

About the App ・ A simple and refined calendar app. ・ Focuses on "subtracting rather than adding" and has only the essential features needed for a calendar. ・ An app that pursues "Simple is best". Recommended for ・ People who want to use a calendar app easily and simply ・ People who want to use a regular calendar app ・ People who are tired of using calendar apps with complex features Features ・ Calendar ・ Events ・ Search ・ Notifications ・ Holidays ・ Styles ・ Backup

About

Clog

This app combines a calendar with note-taking capabilities, allowing users to manage schedules, tasks, journals, and more in one place. It features a powerful editor for various formats and organization through categories.

Highlights
  • Note-style calendar interface
  • Powerful editor with text, checklists, and links
  • Organize with custom categories
  • Dark mode support
  • Track schedules, tasks, and journals
Features
Read full description

Clog - The All-in-One Note Calendar Clog is an all-in-one calendar that lets you record everything like a note. Simplify your daily management—track notes, schedules, tasks, journals, and more, all in one place. - Note-style Calendar: Quickly add and manage logs on your calendar with ease. - Powerful Editor: Record freely in various formats, including text, checklists, and links. - Organize with Categories: Create categories for your interests and goals, and keep your logs organized. - Dark Mode Support: Use comfortably in any environment.

Screenshots

Simple Calendar・Schedule app4 screens
Clog4 screens

Verdict

The call

The clearest difference is review sentiment: Clog at 100% against Simple Calendar・Schedule app's 79%. Clog also leads on iOS requirement (13.4 vs 15.0). On price, update cadence, ads 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.

UpkeepUpdate frequency

Simple Calendar・Schedule app ships an update weekly, Clog every 2 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
Simple Calendar・Schedule app versus Clog: the parameters behind the verdict, then further details
ParameterSimple Calendar・Schedule appClog
PriceFreeFree
Rating4.6 (2.5K ratings) — better—
Positive reviews79.1% of reviews100.0% of reviews — better
Number of ratings2.5K — better—
Update frequencyWeekly — betterEvery 2 weeks
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supportedAd-supported
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.013.4 — better
Further details — not scored
Size61 MB54 MB
Age rating4+4+
DeveloperFutoshi NiihoJinwon Yoon

Customer experience

Simple Calendar・Schedule app

All ratings2,271 ratings
Positive89.8%
Neutral3.8%
Negative6.4%
Written reviews330 reviews
Positive79.1%
Neutral9.4%
Negative11.5%

Clog

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Simple Calendar・Schedule app

Reported bugs

3 issues
  • Backup/restore functionality not working
  • Events disappearing from calendar view
  • Dates/times not displaying correctly

Requested features

5 requests
  • Repeat/recurring event functionality
  • Widget support for home screen
  • Ability to share calendars with others
  • Option to set custom notification times
  • More color palette choices

Clog

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Simple Calendar・Schedule app

No in-app purchases

None

Clog

No in-app purchases

Questions

Is Simple Calendar・Schedule app free?
Simple Calendar・Schedule app is free to download, with no in-app purchases.
Is Clog free?
Clog is free to download, with no in-app purchases.
Do Simple Calendar・Schedule app or Clog have ads?
Both Simple Calendar・Schedule app and Clog show ads.
Which is updated more often, Simple Calendar・Schedule app or Clog?
Simple Calendar・Schedule app ships an update weekly, and Clog every 2 weeks. Most recently, Simple Calendar・Schedule app was updated on November 3, 2026 and Clog on October 30, 2026.

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