Simple Calendar・Schedule app vs Clog
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Calendar view
- Event creation
- Search functionality
- Notifications
- Holiday tracking
- Customizable styles
- Data backup
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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
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.
- Note-style calendar interface
- Powerful editor with text, checklists, and links
- Organize with custom categories
- Dark mode support
- Track schedules, tasks, and journals
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Simple Calendar・Schedule app | Clog |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (2.5K ratings) — better | — |
| Positive reviews | 79.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 2.5K — better | — |
| Update frequency | Weekly — better | Every 2 weeks |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 61 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | Futoshi Niiho | Jinwon Yoon |
Customer experience
Simple Calendar・Schedule app
Clog
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
Simple Calendar・Schedule app
No in-app purchases
Clog
No in-app purchases
Questions
Is Simple Calendar・Schedule app free?
Is Clog free?
Do Simple Calendar・Schedule app or Clog have ads?
Which is updated more often, Simple Calendar・Schedule app or Clog?
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