# 응원달력 vs MUSCLER

The clearest difference is in-app purchases: 응원달력 at none against MUSCLER's 2. 응원달력 also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. MUSCLER sells 2 in-app purchases, starting at $1.99 per month. 응원달력 asks for nothing beyond the download.

응원달력 ships an update weekly, MUSCLER every 4 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 응원달력 | MUSCLER |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free | — |
| Size | 47 MB | 42 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [HYEYOUNG CHANG](https://appshunter.io/developer/1611029737) | [YEAWON BONG](https://appshunter.io/developer/6787392487) |

## What reviewers say

### 응원달력

[App page](https://appshunter.io/ios/app/1d1c/id6754788041)

This app provides daily motivational messages to encourage self-discovery and embrace new experiences. Each day's date reveals a unique message, fostering a sense of personal growth and positivity. Users can easily save and share these uplifting notes.

**Highlights:** Daily unique cheer messages, Self-discovery encouragement, New messages for each date, Save messages to photos, Share messages on Instagram

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

**In-app purchases:** none


### MUSCLER

[App page](https://appshunter.io/ios/app/muscler/id6787392485)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MUSCLER Plus Monthly | $1.99 | per month |
| MUSCLER Plus Annual | $11.99 | per year |


## Frequently asked questions

### Is 응원달력 free?

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

### Is MUSCLER free?

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

### Do 응원달력 or MUSCLER have ads?

MUSCLER shows ads; 응원달력 does not.

### Which is updated more often, 응원달력 or MUSCLER?

응원달력 ships an update weekly, and MUSCLER every 4 days. Most recently, 응원달력 was updated on October 30, 2026 and MUSCLER on November 5, 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.*