# ロック画面カレンダー vs COLON

The clearest difference is in-app purchases: COLON at none against ロック画面カレンダー's 1. COLON also leads on review sentiment (88% vs 58%) and device support (3 vs 1). ロック画面カレンダー's advantage is update cadence (every 14 months vs every 29 months). On price and ads there is nothing between them.

Both are free to download. ロック画面カレンダー sells 1 one-off in-app purchase. COLON asks for nothing beyond the download.

ロック画面カレンダー ships an update every 14 months, COLON every 29 months. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | ロック画面カレンダー | COLON |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/colon/id1601664426/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 58.0% of reviews | **87.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 14 months** | Every 29 months |
| Monetization | — | Free |
| Size | 29 MB | 8 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Suzuki Creative](https://appshunter.io/developer/404832413) | [Toshihide Miyake](https://appshunter.io/developer/1552651386) |

## What reviewers say

### ロック画面カレンダー

[App page](https://appshunter.io/ios/app/id908861866)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告削除 | $0.99 | one-time |


### COLON

[App page](https://appshunter.io/ios/app/colon/id1601664426)

A minimalist digital clock app that focuses on displaying the time in a large, clear format. Customize colors, fonts, and display options to suit your preferences. It offers essential features without unnecessary complexity.

**Highlights:** Large time display, Customizable background, text color, and font, 200 font options, Show/hide seconds, Minimalist design

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

**In-app purchases:** none


## Frequently asked questions

### Is ロック画面カレンダー free?

ロック画面カレンダー is free to download, with in-app purchases available.

### Is COLON free?

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

### Do ロック画面カレンダー or COLON have ads?

Neither ロック画面カレンダー nor COLON shows ads.

### Which is updated more often, ロック画面カレンダー or COLON?

ロック画面カレンダー ships an update every 14 months, and COLON every 29 months. Most recently, ロック画面カレンダー was updated on October 24, 2026 and COLON on October 21, 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.*