# 단자음키 vs DateTimeAtIsland

The clearest difference is in-app purchases: 단자음키 at none against DateTimeAtIsland's 3. 단자음키 also leads on iOS requirement (15.6 vs 26.5). DateTimeAtIsland's advantage is update cadence (every 2 days vs every 11 days). On price, ads and device support there is nothing between them.

Both are free to download. DateTimeAtIsland sells 3 one-off in-app purchases. 단자음키 asks for nothing beyond the download.

단자음키 ships an update every 11 days, DateTimeAtIsland every 2 days. The most recent releases landed on October 8, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | 단자음키 | DateTimeAtIsland |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6741346447/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 2 days** |
| Size | 13 MB | 6 MB |
| Requires iOS | **15.6** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [desun ji](https://appshunter.io/developer/1479364225) | [Sungkwon Jung](https://appshunter.io/developer/1805429727) |

## What reviewers say

### 단자음키

[App page](https://appshunter.io/ios/app/id6741346447)

**Features:** Vision Pro support

**In-app purchases:** none


### DateTimeAtIsland

[App page](https://appshunter.io/ios/app/datetimeatisland/id6769559014)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $1.99 | one-time |
| Large Tip | $2.99 | one-time |


## Frequently asked questions

### Is 단자음키 free?

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

### Is DateTimeAtIsland free?

DateTimeAtIsland is free to download, with in-app purchases available.

### Do 단자음키 or DateTimeAtIsland have ads?

Neither 단자음키 nor DateTimeAtIsland shows ads.

### Which is updated more often, 단자음키 or DateTimeAtIsland?

단자음키 ships an update every 11 days, and DateTimeAtIsland every 2 days. Most recently, 단자음키 was updated on October 8, 2026 and DateTimeAtIsland on September 28, 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.*