# 솔라 캘린더 vs 듀티라운지

The clearest difference is in-app purchases: 듀티라운지 at none against 솔라 캘린더's 1. 듀티라운지 also leads on ads (none vs shown). 솔라 캘린더's advantage is update cadence (every 5 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 솔라 캘린더 sells 1 one-off in-app purchase. 듀티라운지 asks for nothing beyond the download.

솔라 캘린더 ships an update every 5 days, 듀티라운지 monthly. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 솔라 캘린더 | 듀티라운지 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Monthly |
| Size | 77 MB | 62 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [SEONGHOON JEON](https://appshunter.io/developer/1727059032) | [JAEMIN LEE](https://appshunter.io/developer/1799551230) |

## What reviewers say

### 솔라 캘린더

[App page](https://appshunter.io/ios/app/id6476537626)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 솔라 플러스 | $0.99 | one-time |


### 듀티라운지

[App page](https://appshunter.io/ios/app/id6742709529)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 솔라 캘린더 free?

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

### Is 듀티라운지 free?

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

### Do 솔라 캘린더 or 듀티라운지 have ads?

솔라 캘린더 shows ads; 듀티라운지 does not.

### Which is updated more often, 솔라 캘린더 or 듀티라운지?

솔라 캘린더 ships an update every 5 days, and 듀티라운지 monthly. Most recently, 솔라 캘린더 was updated on October 24, 2026 and 듀티라운지 on October 14, 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.*