# Simple Calendar・Schedule app vs Clog

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.

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 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Simple Calendar・Schedule app | Clog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (2.5K ratings)](https://appshunter.io/ios/app/simple-calendarschedule-app/id1558989799/reviews)** | — |
| Number of ratings | **2.5K** | — |
| Positive reviews | 79.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Ad-supported | Ad-supported |
| Size | 61 MB | 54 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Futoshi Niiho](https://appshunter.io/developer/1545504639) | [Jinwon Yoon](https://appshunter.io/developer/1762775936) |

## What reviewers say

### Simple Calendar・Schedule app

[App page](https://appshunter.io/ios/app/simple-calendarschedule-app/id1558989799)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 💎 Clean and aesthetically pleasing design
- 🎨 Customizable color options
- 🗓️ Straightforward calendar functionality
- 🧠 Helps users stay organized

**What reviewers complain about**

- 🐛 Issues with events showing on the wrong date
- 🕰️ Lack of 12-hour time format option
- 📢 Presence of ads
- 🔍 Limited search functionality
- 🔀 Difficulty rearranging/reordering events

**Reported bugs**

- Backup/restore functionality not working
- Events disappearing from calendar view
- Dates/times not displaying correctly

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/clog-calendar-notes-tasks/id6636474625)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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 5, 2026 and Clog on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*