# Clog vs 99캘린더

The clearest difference is price: Clog at Free against 99캘린더's $1.99. Clog also leads on iOS requirement (13.4 vs 17.0). 99캘린더's advantage is ads (none vs shown) and update cadence (every 4 days vs every 2 weeks). On in-app purchases and device support there is nothing between them.

Clog is free to download; 99캘린더 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Clog ships an update every 2 weeks, 99캘린더 every 4 days. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Clog | 99캘린더 |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 54 MB | 5 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jinwon Yoon](https://appshunter.io/developer/1762775936) | [HWAN LEE](https://appshunter.io/developer/1867174500) |

## What reviewers say

### 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


### 99캘린더

[App page](https://appshunter.io/ios/app/99/id6760467468)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Clog free?

Clog is free to download, with no in-app purchases.

### Is 99캘린더 free?

99캘린더 costs $1.99, with no in-app purchases.

### Do Clog or 99캘린더 have ads?

Clog shows ads; 99캘린더 does not.

### Which is updated more often, Clog or 99캘린더?

Clog ships an update every 2 weeks, and 99캘린더 every 4 days. Most recently, Clog was updated on October 10, 2026 and 99캘린더 on October 16, 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.*